Curated list of awesome Solidity resources, libraries, tools and more.

Awesome Ethereum & Dapps Resources.

Curated list of awesome Avalanche DApps, NFTs, Games, Memes, Community Members and other Avalanche resources.

Curated list of awesome thirdweb resources, libraries, examples, showcase, and open source projects.

A collection of awesome Farcaster links including clients, tools, and more.

Curated list of awesome Lens Protocol projects, resources, libraries, tools and more.

Curated list of awesome Node providers and public RPC endpoints.

Curated list of web3 security materials and resources for pentesters and bug hunters.

Curated list of awesome projects and resources related to Wagmi.

Curated list of awesome resources and projects built using XMTP.

Curated list of awesome Non Fungible Token (NFT, ERC721) frameworks, libraries and software.

Curated list of resources for the development and applications of blockchain.

Curated list of Ethereum security references, guidance, tools, and more.

Curated list of awesome Foundry resources, tutorials, tools and libraries.

Curated list of awesome Reth resources.

Curated list of awesome resources related to the Algorand Blockchain.

Curated resources for Vyper, the Pythonic smart contract language for the EVM.

Curated list of awesome StarkNet resources, libraries, tools and more.

Curated list of awesome resources related to the Arweave.

Curated list of resources for Huff language.

Curated list of awesome ZK resources, libraries, tools and more.

Curated list of awesome resources about blockchain scalability.

Collection of tools, documents, articles, blog posts, interviews, and videos related to MakerDAO and the Dai stablecoin.

Collection of documents, clients, apps, APIs, and other resources related to Kiwi protocol.

No-KYC crypto swap MCP server for AI agents. 10 tools: swap, prices, portfolio, rug check. 1288+ assets. x402 micropayments.

Collection of account abstraction resources.

Internet-native payment protocol using HTTP 402 status code for blockchain payments.

Curated list of job boards, companies, salary data, and career resources for finding web3 and crypto jobs.

Curated list of AI-powered tools for crypto trading, analysis, security, and development.

Find remote and on-site developer, design, and marketing opportunities in Web3.

Bitcoin Improvement Proposals.

Ethereum Improvement Proposals.

Formal definition of the Ethereum protocol.

Illustrated explanation of how EVM works under the hood.

Low level reference for the EVM and a Solidity decompiler which turns bytecode into more readable Solidity-like code.

An interactive reference to Ethereum Virtual Machine Opcodes (source code).

Solidity is an object-oriented, high-level language for implementing smart contracts.

Vyper is a contract-oriented, pythonic programming language that targets the Ethereum Virtual Machine (EVM).

Curated Web3.0 Developer handbook which includes a list of the best tools for DApps, development resources and lifehacks.

Step By Step Roadmap for those who want to Learn Blockchain Development from Beginning.

Curated group of Ethereum builders creating products, prototypes, and tutorials to enrich the web3 ecosystem

Community of thousands of web3 builders creating a better internet

Global Spanish-speaking community learning and building in web3

A place to share and discover the best new stuff in Web3. Built on Farcaster and Lens protocols.

Basic examples on Solidity.

Basic examples on Yul.

Python-based development and testing framework for smart contracts targeting the Ethereum Virtual Machine.

View source of deployed Ethereum smart contracts in VS Code.

Web-based IDE that lets you write, compile, and debug your smart contract.

Development environment to compile, deploy, test, and debug your Ethereum software.

Online IDE for Solidity development.

Development platform that provides realistic test environments to developers.

Foundry is blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

The all-in-one developer platform for building and deploying decentralized applications.

Online IDE to quickly develop and deploy Solana programs that runs on web browser.

Development Networks or DevNets are a zero-setup, managed development environment for developing, testing, and debugging smart contracts. With built-in debugging tools, DevNets eliminate the need to run any third-party software or to set up an environment.

Online IDE for developing, compile, deploy, and test contracts on Polkadot.

Live status dashboard for 36 testnet faucets across 30+ networks, health-checked daily so you know which faucet works before you start testing.

Browser console to read and write any EVM contract from an ABI, on any chain or custom RPC including a local anvil/hardhat node. Decodes revert errors, function selectors and calldata. No verified source or signup needed.

Continuous configuration automation & development cli multi-tool. Like Terraform, Docker and NPM for Ethereum.

Independent open-source benchmarks for RPC providers, L2 finality, gas oracles, and archive coverage across 22 chains. Data ships under CC BY 4.0, harnesses in Go/Rust on GitHub.

Decentralized web hosting platform for Web3 frontends focusing on increasing uptime, security, and providing an additional access point for users.

Filebase is an InterPlanetary development platform, providing users with quick access to IPFS storage, dedicated IPFS gateways, and IPNS names.

Kryptokrona SDK in Kotlin for building decentralized private communication and payment systems.

Tatum SDK is a powerful, feature-rich TypeScript/JavaScript library that streamlines the development of blockchain applications.

Human-approved blockchain transactions for AI agents. Agent proposes a tx, human reviews and signs from a web app. E2E encrypted, CLI + TypeScript + Python SDKs.

Non-custodial treasury and payment SDK for AI agents. Agents sign EIP-712 intents from secure vaults without holding funds or paying gas. TypeScript, Python, and LangChain integrations. Multi-chain (Base, Arbitrum).

Cross-chain swap, bridge & fiat on-ramp SDK across 90+ chains (EVM, Solana, Bitcoin, NEAR, Sui, Tron, TON). Available in TypeScript, Python, Go and Rust. Anonymous tier — no API key required.

Agent-native non-custodial yield router — wallet-only identity, strategies across Sui/Solana/Base/Arbitrum, Auto Pay residual rails and x402. (SDK · Docs)

Open protocol connecting wallets to Dapps.

Open protocol that lets users connect their mobile wallets to your DApp.

Distributed system for storing and accessing files, websites, applications, and data.

Lens Protocol is composable and decentralized social graph, ready for you to build on so you can focus on creating a great experience, not scaling your users.

Aave is decentralized non-custodial liquidity protocol where users can participate as depositors or borrowers.

SmartWeave is smart contract protocol that allows developers to build permanent applications on top of Arweave.

The Graph is indexing protocol for querying networks like Ethereum and IPFS.

Push Protocol is web3 communication network, enabling cross-chain notifications and messaging for dapps, wallets, and services.

Ceramic is decentralized data network that brings unlimited data composability to Web3 applications.

Polkadot is scalable, interoperable & secure network protocol for the next web.

Protocol zkSync is trustless protocol that uses cryptographic validity proofs to provide scalable and low-cost transactions on Ethereum.

Uniswap is a protocol for trading and automated liquidity provision on Ethereum.

NEAR is smart-contract compatible blockchain, designed and built to support the development of highly secure and scalable dApps.

Arweave is protocol that allows you to permanently and sustainably store data for a single upfront fee.

Livepeer is an Ethereum-based protocol that distributes video transcoding work throughout its decentralized network.

Compound is algorithmic, autonomous interest rate protocol built for developers, to unlock universe of open financial applications.

Euler is non-custodial protocol on Ethereum that allows users to lend and borrow almost any crypto asset.

Unitas Protocol enables financial sovereignty by granting people the right to choose their units of account while transacting with each other.

Sablier is money streaming protocol that aims to be used for streaming payments and achieve near real-time transactions.

Ocean protocol aims to allow businesses and individuals to exchange and monetize data and data-based services.

Aztec Network is Layer 2 zk-rollup, designed to enable programmable privacy, that will run on Ethereum.

IPOR: The heartbeat of DeFi Fix your interest rate or hedge your exposure by leveraging non-custodial on-chain IPOR derivative instruments.

Ajna protocol is peer to peer, oracleless, permissionless lending protocol with no governance, accepting both fungible and non fungible tokens as collateral.

Synapse Protocol enables cross-chain communication for facilitating transactions across blockchains.

Router Protocol bridges different layer 1 and layer 2 blockchains, enabling seamless cross-chain liquidity migration in DeFi. It facilitates token transfers between chains and cross-chain execution of operations.

On-chain soul identity for AI agents on Base L2. W3C DID resolution (did:chitin), Soulbound Tokens (EIP-5192), ERC-8004 agent passports, verifiable certificates, and governance voting. (GitHub)

Trust infrastructure for AI agents. W3C DID identity verification, reputation scoring, Ed25519-signed Verifiable Credentials, and Base blockchain anchoring. (SDK · PyPI · API Docs)

Intent-based DEX aggregator (a CoW Protocol fork) for gasless, MEV-protected swaps across 11 chains, with an MCP server and SDK for AI agents. (GitHub · Docs)

React library that makes it easy to add wallet connection to your dapp.

Collection of tools to build world-class onchain apps with CSS, React, and Typescript.

JavaScript Library for interfacing with the Avalanche Platform.

Typescript library to create and manage wallets on the Avalanche network.

Bitcoin library for node.js and browsers.

Reusable dApp components in React.

Complete Ethereum wallet implementation and utilities in JavaScript (and TypeScript).

Analytics and attribution SDK for onchain apps.

TypeScript SDK for Hedera Consensus Service standards (HCS-1 through HCS-11), enabling decentralized file storage, NFT metadata, and recursive content on Hedera.

Super tiny module for querying an IPFS node, that works in the browser and in Node.

IPFS implementation in JavaScript.

Development environment, testing framework and asset pipeline for Ethereum.

React hooks library for Ethereum.

Ethereum JavaScript API which connects to the Generic JSON-RPC spec.

Simple, maximally extensible, dependency minimized framework for building modern Ethereum dApps.

DB3.js is SDK of DB3 network, a community-driven layer2 decentralized database network.

Javascript bindings for the Ethereum Name Service.

Lens.js is JavaScript SDK or API wrapper for the Lens API.

Javascript client library for connecting to Bee decentralised storage.

Livepeer.js provides core vanilla JS library and React hooks/components to easily connect to a Livepeer provider.

Solana Javascript API built on the Solana JSON RPC API.

JavaScript library to interface with the Seaport marketplace.

AlgoSDK is the official JavaScript library for communicating with the Algorand network.

JavaScript library to interact with Starknet.

JavaScript library for real time notifications for Ethereum transaction state changes.

Web3 authentication platform and multi-chain wallet connection library.

Sequence is modular web3 stack and smart wallet for Ethereum chains.

JavaScript library for retrieving on-chain storage and generating data derivatives.

TypeScript library that supports validation of any type of signature: account abstraction (ERC-1271, ERC-6492), standard EOA signatures, ERC-712.

Tatum SDK is a powerful, feature-rich TypeScript/JavaScript library that streamlines the development of blockchain applications.

Simple WalletConnect Web3Modal v2 integration package for Vue3 apps.

Web3 icons as React components. Includes tokens, coins, networks, wallets.

TypeSript library implementing common specifications for decentralized applications.

Contract which implements utilities for working with datetime values in ethereum.

Gas-optimized Solidity library for DeFi math: Black-Scholes option pricing, Greeks, interest rates, and statistics.

The standard for secure blockchain applications.

Helper smart contract to make easier and safer usage of the CREATE2 EVM opcode.

Gas optimized Solidity Libraries.

Go implementation of an Avalanche node.

Tool to run and interact with an Avalanche network locally.

Helper tool to spin up a local instance of an Avalanche network to interact with the standard APIs or to test a custom VM.

Ethereum HD Wallet derivations from seed which implements the go-ethereum's accounts.Wallet interface.

This is an implementation of multi-party {t,n}-threshold ECDSA (Elliptic Curve Digital Signature Algorithm) based on Gennaro and Goldfeder CCS 2018 1 and EdDSA (Edwards-curve Digital Signature Algorithm)

Code and wrapper to extract Ethereum blockchain functionalities without network/consensus, for building custom blockchain services.

Official Go implementation of the Ethereum protocol.

CLI tool to manage Avalanche Subnets.

Open-source EVM RPC proxy & cache service built to scale horizontally from small traffic to million RPS across many chains, optimized for read-heavy use-cases such as Indexers, Frontends, MEV bots, etc.

Reliability and security layer for blockchain RPC that orchestrates multiple upstreams behind a single endpoint, with automatic failover, data cross-validation, block-aware caching, and observability across EVM and non-EVM networks.

Open-source Ethereum library in ANSI C.

Cross-platform, mobile-focused library implementing low-level cryptographic wallet functionality for a high number of blockchains.

Modular, contributor-friendly and blazing-fast implementation of the Ethereum protocol, in Rust.

The fast, light, and robust client for the Ethereum mainnet.

Proof-of-Antiquity blockchain that rewards mining on vintage hardware (PowerPC G4, Pentium 4) with RTC tokens. Features 6-point hardware fingerprinting, Ergo chain anchoring, and an on-chain AI agent economy. (source code)

Sign EVM and TRON transactions and messages with your own browser wallet (MetaMask, Rabby, TronLink) from the CLI or from Rust, TypeScript, and Go programs; the private key never leaves the browser.

Avalanche shell client provides temporary stateful shell execution environment used to deploy networks locally, manage their processes, and run network tests.

Ethereum protocol implementation in Python.

Contract-oriented, pythonic programming language that targets EVM.

Python interface for interacting with the Ethereum blockchain and ecosystem.

Python SDK and CLI for extracting real-time DexScreener market data over WebSocket and API.

Python Ethereum L1 execution client built from scratch — EVM, RLPx, eth/68, snap/1, full & snap sync, Engine API, and JSON-RPC.

Dart library to interact with any Polkadot based blockchain.

C++ implementation of the Ethereum Virtual Machine (EVM), faster.

SpacesVM enables authenticated, hierarchical storage of arbitrary keys/values using any EIP-712 compatible wallet.

Free and open-source plugin for no code platform bubble.io. Use polkadot.js to build a web3 app that interacts with the Polkadot chain without code. The plugin was built with the help from Web3 Foundation.

Build an NFT marketplace without code, a free plugin for bubble.io. Deploy collections, set royalties/platform fees, bid, sell, etc.

Zilliqa Wallet plugin for bubble.io, connect your Bubble app to the Zilliqa Blockchain and interact with ZilPay Wallet.

No-code platform for building on-chain or off-chain task automations. Use ChainJet to integrate multiple web3 services to automate all kinds of tasks.

No-code and low-code blockchain integration platform. Deploy standard token contracts or persist data on-chain with a few clicks.

Web3Modal v2 SDK with updated UI integrated into a plugin for bubble.io - Connect a wallet, sign a message, detect chain or account changed.

Ethereum dev stack focused on fast product iterations.

Generate a usable user dApp and admin console from any EVM ABI with deterministic risk and audience classification.

Create Ethereum-powered apps with one command, similar to create-react-app.

Boilerplate in TypeScript using Next.js, NextAuth.js, siwe, Web3modal, useDapp, next-i18next, reactMUI.

Framework for rapid Dapp development.

Web3 App Template in Next.js 13, Tailwind, RainbowKit and Optimized Developer UX.

The ultimate NextJS Ethereum Dapp Boilerplate which gives you maximum flexibility and speed.

The complete toolbox to create web3 applications.

Next.js + Ethereum starter kit to quickly ship Web3 Apps.

Opinionated Dapp Starter Template.

NextJS Typescript template with wallet integration + token gated pages.

Simple Solidity contract to mock dependent contracts in truffle tests.

Assertion library for Ethereum smart contract testing that you can use with hardhat.

This combines popular smart contract testing and deployment libraries with Robot Framework (a generic RPA ecosystem).

Code coverage for Solidity smart-contracts.

Library for writing and testing smart contracts.

Modern collection of testing assertions and logging utilities for Solidity.

Simple and powerful linter for Solidity.

Solidity static analysis framework, a suite of vulnerability detectors, prints visual information about contract details etc.

Solidity linter providing Security and Style Guide validations.

Small, easy, and fast protocol for syncing data.

Serverless, distributed, peer-to-peer database.

DB3 is a community-driven layer2 decentralized database network, a firebase firestore alternative.

WeaveDB is NoSQL Database as Smart Contract Bringing web2-like smooth UX, complexity, and scalability to web3 dApps.

Polybase is a drop-in replacement for Firebase, Firestore alongside 10x better db permissions with ZK + Wallet Auth.

Independent rating and allocation layer for on-chain yield — scores every DeFi vault 0-100 across 16 factors.

Blockchain data API for accessing on-chain data across multiple networks.

Raw and decoded logs, transactions, and blocks for many EVM chains.

Open, reproducible benchmarks for crypto infrastructure (aggregators, bridges, blockchains, perps) with live data, public methodology, and a JSON API. Data is CC-BY-4.0.

Ormi's 0xgraph is a next-gen subgraph indexing platform delivering 5× faster syncs, real-time queries with sub-second latency, zero throttling, and built-in support for chain re-orgs across 70+ chains.

Tool to revoke approvals to smart contracts.

A checklist of common findings, and issues to watch out for when auditing a contract for a mainnet launch.

Security verification platform and tools ecosystem for Ethereum developers.

Open-source EVM bytecode security analysis tool.

Alternative static smart contract security analysis.

EVM disassembler.

Alternative EVM disassembler.

Framework for cryptoeconomic contract security, decentralised security bounties.

Visualise Solidity control flow for smart contract security analysis.

Symbolic execution tool on smart contracts and binaries.

A Solidity static analysis framework.

The SECBIT static analysis extension to Solidity compiler.

A modular verifier for Solidity smart contracts.

Comprehensive list of known attack vectors and common anti-patterns.

Extracts function selectors from EVM bytecode, even for unverified contracts.

Browser extension simulating transactions and reporting risks for user-side defense.

Non-custodial spending controls for AI agents with crypto wallets. Enforce daily limits, per-transaction caps, and recipient whitelists without holding private keys.

Free token safety scanner and rug pull checker with a 0-100 risk score across Solana, Ethereum, Base, BSC, Arbitrum, and Polygon. Honeypot simulation, mint-authority detection, liquidity-lock verification, and holder-concentration analysis. No signup, public REST API.

Client-side TRON security toolkit: wallet analysis, AML heuristics, contract scanning, transaction decoding, and phishing URL checks. No wallet connection required.

Wallet, token, and smart-contract risk scoring API for Web3 teams; surfaces risk signals such as malicious-token patterns, fund-flow exposure, counterparties, and labels.

Browser extension that detects clipboard address substitution, unlimited-approval signatures, seed-phrase input forms, and typosquatted domains. Detection runs locally, no telemetry. MIT.

Free, non-profit AML/KYT wallet screening: paste any BTC, ETH, BNB Chain, or TRON address for a risk score, sanctions status, source of funds, and counterparties. No signup; keyless public API and Telegram bot.

CLI and SDK for Signet, an onchain advertising platform on Base. Enables AI agents to purchase spotlight ads with USDC via the x402 payment protocol.

The first x402 API hub — 58+ AI tools for search, scraping, analysis, and generation with native Coinbase x402 crypto payments on 15+ chains. MCP compatible. GitHub

Universal Payment Protocol (UPP) for AI agents that abstracts multiple underlying protocols (x402, MPP, PFS, Pre-Approval) into a single unified API. Supports 8 blockchains with protocol-specific optimizations and gasless payments. Node.js and Python SDKs available.

curl for x402 paid APIs. CLI and library that auto-pays HTTP 402 responses with USDC on Base and Solana, with MCP stdio proxy for AI agents.

TypeScript SDK for non-custodial AI agent wallets. Handles x402 payments, CCTP V2 cross-chain transfers, Uniswap V3 token swaps, and on-chain spend limits. MIT license.

Batch USDC payments on Base for AI agents — pay up to 200 recipients in one atomic transaction. Gasless via CDP Paymaster, non-custodial auto-wallets, per-agent budget caps. OpenClaw plugin with ClawHub security audit pass. (ClawHub)

54 services / 97 endpoints with 37 MCP tools: crypto prices, OHLCV, DeFi yields, technical indicators, DEX swap quotes, prediction markets, trending tokens, gas tracker, and on-chain analytics. 41 x402-paid endpoints (USDC on Base). Remote MCP server (TypeScript, cloud-hosted).

OpenAI-compatible LLM gateway with per-request USDC pricing via the x402 protocol on Base, Arbitrum, and Polygon.

Hosted read-only current and historical market data for Hyperliquid and Lighter.

Read-only on-chain data for AI agents via DRPC's node network. Covers all major EVM networks and Solana. Free API key at drpc.org.

🎖️ 📇 ☁️ 🏠 - Institutional-grade crypto market infrastructure for AI — live prices, DeFi, wallets, and token risk through a managed MCP, REST API, or CLI.

Universal agentic registry on Hedera providing blockchain-based identity for AI agents via HCS-14 Universal Agent IDs (UAIDs). Bridges A2A, ERC-8004, x402, and MCP protocols. 187K+ verified agents, 33M+ daily operations. Open-source SDKs: TypeScript, Go, Python.

On-chain calculated indicators (EMA, RSI, Bollinger, Volatility) for 22 tokens via Chainlink. MCP server + LangChain integration for AI agents to access DeFi data.

Open-source framework for building AI-powered applications that interact with the Hedera Network. Create conversational agents that understand natural language and execute Hedera transactions, or build backend systems that leverage AI for on-chain operations.

Decentralized execution rails for AI agents. Deploy TEE-shielded agents to Ethereum, Solana, NEAR with ERC-7683 intents and zkTLS privacy.

Local MCP server with a searchable corpus of 1,767 EIPs, BIPs, ADRs, CIPs, and RFCs across 10 chains plus a canonical contract-address registry covering 19 protocols on major EVM chains. SQLite + FTS5, no API keys.

Economic trust enforcement for AI agents on Base. USDC staking, outcome-verified escrow, algorithmic reputation scoring (0-1000), and semantic discovery for ERC-8004 agents. 2000+ agents indexed.

Open-source Python framework for building autonomous AI agents that interact with DeFi protocols. Multi-chain support (Ethereum, Base, Arbitrum, Optimism, Polygon), LLM-powered reasoning (OpenAI, Anthropic, Groq, DeepSeek), Uniswap V2 swaps, cross-chain bridges (Li.Fi, Socket), token sniper, and portfolio tracking.

Give your AI agent its own money on a live EVM chain (chainId 24368): wallet, faucet, send, and create/trade tokens via MCP.

Pay-per-call AI agent that reads any Base address and returns a structured risk/activity report over x402 (a few cents in USDC). Built with Coinbase's CDP SDK and Anthropic's API.

📇 ☁️ - Crypto/financial market data APIs for AI agents. 54 services, 97 endpoints, 37 MCP tools, 41 x402-paid endpoints (USDC on Base). Prices, OHLCV, DeFi yields, DEX quotes, on-chain analytics, social sentiment, gas tracker. Remote MCP server (TypeScript, cloud-hosted).

Monitor and track Ethereum and L2 gas prices to reduce transaction fees, save money and take control of your blockchain experience

Smart Ethereum gas optimizer that predicts low-fee windows, schedules transactions, and sends real-time gas alerts to help users save on fees.

TRON energy rental that cuts USDT (TRC20) transfer fees by about 40% versus burning TRX, with live network fee data and free calculators.

Ethora is a low code web3 'super app' engine featuring social sign on, chat, bots, gamification, digital wallet, documents sharing etc. It is easy to customize and build your own app based on Ethora engine.

Blockchain explorer for Ethereum based network and a tool for inspecting and analyzing EVM based blockchains.

Browser extension wallet with focus on privacy and security.

Browser extension of MetaMask crypto wallet.

Browser extension crypto wallet for the DeFi ecosystem that works multi-chain.

Open source Ethereum wallet.

Browser-based compiler and IDE that enables users to build Ethereum contracts with Solidity language and to debug transactions.

Decentralized trading protocol on Ethereum.

Chainlink enhances the possibilities of smart contracts by allowing them to access real-world data.

Solidity is statically typed, contract-oriented, high-level language for implementing smart contracts on the Ethereum platform.

Web-Scale Blockchain for fast, secure, scalable, decentralized apps and marketplaces.

Neo is blockchain platform that is open-source and community-driven.

Hyperledger Fabric is enterprise-grade permissioned distributed ledger framework for developing solutions and applications.

Decentralized voting protocol with an AGPL-3.0 Go implementation for verifiable organizational elections.

web3swift is iOS toolbelt for interaction with the Ethereum network.

Fuel is the fastest execution layer for the modular blockchain stack.

Private messaging application on Kryptokrona Blockchain for desktop.

Private messaging application on Kryptokrona Blockchain for mobile.

Open source Web3 wallet that makes self-custody easy and secure via account abstraction.

Open-source Ethereum toolkit that integrates wallets, contract explorers, Foundry and Anvil. It streamlines smart contract testing, identity management, and dApp connectivity for developers.

Open-source, browser-based and self-custodial wallet that generates a private key from credentials using one-way hash function.

Instant payment links on Base. Create shareable payment requests settled onchain with 0.5% fee.

Trustless freelance escrow on Base. Lock funds in a smart contract, release on milestone completion.

Onchain subscription payments on Base. Recurring crypto payments with auto-debit smart contracts.

Non-custodial crypto escrow for stablecoin deals. Funds lock in an open-source smart contract and release on agreement or by dispute ruling.

Seedless self-custodial multi-chain wallet secured by MPC threshold signatures; this repo builds the Vultisig desktop app and the Chrome extension.

A self-hosted blockchain data warehouse built on HDFS, Spark, Delta Lake, Trino, and Airflow — multi-chain EVM data pipelines with an AI agent team that automates pipeline development and management

Learning platform for developers to explore and learn about Web3.

Interactive school that teaches you all things technical about blockchains.

Cohort based web3 development courses, learn by building projects.

source code

The foundational and practical guide for effectively learning and progressively building a blockchain from scratch in Go with gRPC

Cadena is a free platform where you can learn by coding smart contracts, NFTs, tokens and more.

Odyssey is great platform to understand blockchain, NFTs, web3 concepts, Defi, Dao and more.

Bankless Academy is on a mission to ensure every web3 Explorer is ready for their crypto-verse voyage.

Learn how to build on Ethereum; the superpowers and the gotchas.

Learn about blockchain and programming as you navigate through a medieval game.

Introduction to Solidity with simple examples.

Alchemy University is the ultimate ecosystem for learning how to build and interact with web3.

Developer DAO Academy is open-source education platform created by the Developer DAO.

Metaschool is free and trusted resource to become a Web3 Developer by building & shipping dApps.

Tutorials for retrieving NFT metadata, media, sales and collection info from multiple chains.

Layer3 is web3 teaching platform that is gamified and allows individuals to discover and learn about web3.

Learn Vyper by building a Pokémon Game.

Staking Academy is content aggregation platform with the goal of educating people about blockchain technology, staking and DeFi.

Learn Solidity and smart contract development with interactive code challenges.

Learn from industry-leading experts how to build the next generation of web3 applications and kickstart your career.

CLI tool for moving decentralized content from IPFS to Swarm storage.

LearnAI powered, interactive course covering Optimistic Rollups, deploying on OP Mainnet, the Standard Bridge, the OP Stack for launching your own L2, and the Superchain ecosystem.

Learn Web3 with guided lessons and practices. (iOS)

Solidity lessons with runnable examples, based on RedDuck's internal developer onboarding curriculum.

How to combine onchain and offchain data tracking to measure user behavior across dApps and connect campaigns to blockchain transactions.

How to track user journeys from initial discovery through onchain conversion by connecting wallet addresses to marketing touchpoints.

Videos about blockchain basics, oracles, Free Code Camp and more.

Numerous hands-on development tutorial videos on blockchain Solidity smart contracts.

Tutorials and live coding on dApps, NFTs, DeFi and more.

Smart contract development with Solidity.

Free education about smart contracts on open decentralized blockchains.

Learn to build decentralized apps on Ethereum Blockchain and smart contracts hacking tutorials.

Tutorials and coding on dApps, NFTs, NFT's marketplaces, and other topics.

Learn everything about how to build on Ethereum.

Tutorials and Learn how to build dApps with Moralis web3 APIs.

Tutorials about smart contract development, crypto, DeFi, tokens, NFTs, Ethereum.

Tapping the brains of leaders across all verticals in the digital asset industry.

The ultimate guide to crypto finance.

Web3 Focused and has content on Blockchain development, and other topics.

Visually learn about Web3, Cryptocurrencies and many other concepts.

Learn how to build full-stack dApps with thirdweb and other web3 concepts.

Discover how to easily and quickly build Web3 apps and projects like crypto wallets, NFT apps, or blockchain-based games using Tatum.

Bi-weekly episodes on investing in the digital asset industry.

Explore the political, ethical, and economic significance of Bitcoin and other public blockchains and talk to some of the leading experts in the industry.

Newsletter about blockchain, DeFi and exchange threat intelligence on hacks, vulnerabilities, security tools.

Most popular crypto essays, products & dev tools picked by the Kiwi community.

Analytics and attribution for DeFi.

Blockchain data across 100+ chains — wallet balances, token prices, transactions, DEX pairs, and more. REST API, real-time WebSocket with OHLCV price feeds, CLI, and x402 pay-per-request.

Wallet and DeFi data API across 40+ chains — portfolios, token balances, transactions, NFTs, and DeFi positions. Historical charts, multi-wallet aggregation, and real-time webhooks. Offers CLI, MCP, and pay-per-request via x402 and MPP.

Blockchain infrastructure platform providing reliable multichain RPC APIs, dedicated nodes, indexing services, staking and validator infrastructure, and network prototyping tools across 130+ blockchain networks.

Crypto & web3 job board with 2,650+ live roles aggregated daily from companies' official ATS systems, employer-published salary data, free JSON API.

List of EVM networks, Chain IDs and Network IDs.

Automate and simplify payroll operations in crypto.

Free embeddable non-custodial cross-chain swap widget powered by LI.FI — add to any site with one script tag.

Crypto & Web3 job board with 1,400+ positions, salary intelligence, and global remote roles from ~2,000 blockchain companies.

Real-time Ethereum whale intelligence platform tracking 25,000+ wallets with DEX swap detection, sentiment scoring, and per-token flow analytics for 200+ ERC-20 tokens.