Web3 data resources, tools, and APIs for blockchain developers, researchers, and analysts.

• Analytics & Visualization Tools
  • Block Explorers
  • Dashboards & Portfolio Trackers
  • Data Visualization & Exploration
  • Market Intelligence & Analysis
• Blockchain Oracles
• Data Providers
• ETL Tools
• Indexers
• Infrastructure
  • Load Balancers
• NFT Data Providers
• RPC Providers
• SDKs and Libraries
• Contributing

• Beaconcha.in - ETH Beacon Chain explorer, insights, and analytics platform.
• Bitquery - Multi-dimensional analytics with tracing for transaction flows.
• BlobScan - Blob transaction explorer (ETH main and testnets).
• Blockchair - Multi-chain explorer supporting Bitcoin, ETH, and 40+ blockchains with advanced search and filtering.
• Blockscout - Open-source blockchain explorer for ETH and EVM-based networks.
• BscScan - Binance Smart Chain block explorer.
• Etherscan - ETH block explorer and analytics platform.
• mempool.space - Open-source Bitcoin mempool visualizer and block explorer with REST and WebSocket APIs.
• Mintscan - Cosmos ecosystem explorer.
• PolygonScan - Polygon block explorer.
• SIM Explorer - Block explorer for ETH / Base with advanced features.

• DeBank - Multi-chain portfolio tracker with DeFi analytics and protocol breakdowns.
• Dune Analytics - Community-powered crypto analytics with SQL queries and dashboards.
• Pharos - Stablecoin analytics dashboard tracking supply, peg stability, liquidity, reserves, yield, and risk signals.
• Rotki - Privacy-preserving, open-source portfolio tracker and analytics tool.
• Zapper - Multi-chain dashboard for DeFi portfolio management and yield farming optimization.
• Zerion - DeFi portfolio manager with real-time analytics and cross-chain insights.

• Allium - Accurate, fast, simple blockchain data.
• Bubble Maps - Interactive maps for exploring blockchain data.
• Chainbase - SQL-based multi-chain data platform with APIs for building analytics.
• Cielo Finance - On-chain activity tracker and breakout wallet discovery.
• DefiLlama - Open DeFi TVL aggregator with customizable charts, metrics, and protocol comparisons.
• ETH Gas Tracker - Real-time ETH gas prices and historical analytics.
• Flipside - Blockchain analytics on Snowflake SQL with multi-chain support.
• L2BEAT - ETH L2 analytics and risk assessments for rollups and bridges.
• Map of Zones - Analytics platform for the Cosmos ecosystem.
• Token Terminal - Financial metrics and charts for crypto protocols and applications.

• CryptoPanic - News aggregator with real-time updates, sentiment analysis, and market impact tracking.
• DappRadar - Dapp discovery and analytics with DeFi tracking and user activity metrics.
• Glassnode - On-chain market intelligence for digital assets.
• GMGN - Meme-coin discovery platform. Also, check out the bots.
• LlamaRisk - DeFi risk management platform with dashboards.
• Messari - Market intelligence with research, metrics, and visualization tools.
• Nansen - Blockchain analytics with wallet labels and insights.
• PandaMetrics - Blockchain data analytics platform.
• Rated Network - Insights on blockchain networks, focusing on validator performance.
• Rekt News - Analysis and reports on DeFi hacks, scams, and exploits.
• RWA.xyz - Data platform for tokenized real-world assets, stablecoins, and on-chain treasuries.
• Sentora - Crypto analytics platform with ML-driven signals.
• ZeroMEV - ETH MEV explorer showing user losses from miner extractable value (MEV).

• API3 - First-party oracle solution for smart contracts.
• Band Protocol - Cross-chain data oracle for Web3.
• Blocksense - The zk rollup for programmable oracles.
• Chainlink - Decentralized oracle network for smart contracts with price feeds and off-chain data.
• DIA - Open-source, multi-chain oracle platform with customizable data feeds.
• Pyth Network - High-frequency, low-latency price feeds from first-party data providers.
• RedStone - Modular oracle with push and pull models for efficient data delivery.
• SEDA - Cross-chain oracle connecting any network with millions of feeds.
• Tellor - Decentralized oracle for off-chain data on ETH.
• UMA - Optimistic oracle for DeFi applications.

• Covalent - Historical datasets, Covalent Unified API: goldrush API.
• Moralis - Web3 development platform with comprehensive data APIs for various blockchains.
• Space and Time - Decentralized data warehouse with ZK-based Proof-of-SQL for verifiable queries.

• Blockchain ETL - ETL tools for various blockchains.
• Cryo - High-performance blockchain data extraction tool supporting various blockchains.
• Ethereum ETL - Python scripts for ETL jobs on ETH data, including blocks, transactions, and tokens.
• Squid - TypeScript ETL toolkit for blockchain data.

• Envio - High-performance blockchain indexer with HyperSync engine for multi-chain data.
• Goldsky - Subgraph-compatible indexer with Mirror for streaming blockchain data to your database.
• goteth - ETH indexer written in Go, designed for scalability.
• Indexed - Public, decoded crypto datasets. Updated every 10 mins.
• Kong - Real-time and historical EVM indexer.
• Ponder - End-to-end type safe EVM indexer based on Viem.
• Reth Indexer - Indexer which reads directly from the reth database.
• rindexer - High-performance ETH indexer written in Rust.
• Shovel - A simple, config-based ETH to Postgres indexer.
• Subquery - Multi-chain blockchain data indexer with GraphQL APIs.
• The Graph - Decentralized protocol for indexing and querying blockchain data with GraphQL APIs.
• TrueBlocks - Open-source ETH indexer and API for detailed blockchain data analysis.

• Censorship.pics - ETH censorship dashboard showing statistics for Builders, Relays, and Validators.
• Checkpoint Sync Endpoints - Collection of checkpoint sync endpoints for ETH clients.
• Client Diversity - Initiative to promote diversity among ETH clients.
• ETH Nodes - Comprehensive list of ETH nodes for developers and researchers.
• EthSeer - ETH Beacon Chain explorer providing real-time block production information.
• Etherscan Node Tracker - Tool for tracking ETH nodes and their performance.
• EthSunshine - ETH node monitoring and analytics platform.
• Lido VANOM - LidoDAO's Quarterly Validator Node Operator Monitoring ('VANOM') report.
• Lucky Staker - Platform providing insights and analytics for ETH staking.
• Mevboost.pics - MEV-Boost dashboard showing mev-boost flow data across Builders, Relays, and Validators.
• Monitor Eth - ETH monitoring tool providing insights into the consensus layer and ETH blobs.
• NodeWatch - Monitoring tool for ETH nodes, providing real-time data and alerts.
• Rollup.wtf - Realtime data for Rollups and Blobs.
• StakeWise Helm charts - Charts for deploying different infrastructure components on Kubernetes.
• Timing.pics - ETH timing dashboard showing timing games and their effect on the consensus layer.

• blutgang - The wd40 of ETH load balancers.
• dshackle - Fault tolerant load balancer for ETH and BTC APIs.
• erpc - Embedded RPC.
• nexus - Load balancing blockchain RPC reverse proxy in TypeScript. Rust implementation W.I.P.
• RouteMesh - Intelligent RPC routing and load balancing across multiple providers.

• Alchemy NFT API - NFT data API, features ownership verification and metadata enrichment.
• Constellations - High-performance and real-time Cosmos indexer with APIs for NFT data and collection analytics.
• Moralis NFT API - NFT data API, advanced features rarity scores and transfer alerts.
• OpenSea API - NFT data API, including sales, listings, and metadata.
• Rarify - NFT infrastructure and data API.

• Alchemy - Blockchain development platform with APIs, SDKs, and node infrastructure.
• Ankr - Web3 API provider with a free tier. Supports Web3 login and payments for the lower tier plan.
• Chainstack - Web3 APIs including IPFS access and Subgraphs hosting.
• dRPC - Decentralized RPC network with multi-provider aggregation and flat-rate pricing.
• Flashbots - Flashbots Protect RPC endpoint for MEV-protected ETH transactions.
• Helius - Solana RPC & API platform providing comprehensive infrastructure, NFT APIs and transaction APIs.
• Infura - ETH and IPFS APIs and developer tools for scalable dApp infrastructure.
• Lava Network - Decentralized RPC provider network supporting various blockchains.
• QuickNode - Multi-chain node infrastructure for Web3 developers.
• Skip Protocol - RPC provider offering access to various blockchain networks.
• Triton One - High-performance RPC solutions for Solana, Sui, and other blockchains with dedicated infrastructure.

• Anchor - Framework for Solana smart contract development in Rust.
• ethers.js - Complete ETH library and wallet implementation in JavaScript.
• Foundry - Modern EVM smart contract development toolchain via CLI and Solidity scripts.
• Hardhat - ETH development environment for professionals.
• Multiproof - Python library for generating Merkle trees and proofs, fully compatible with OpenZeppelin contracts.
• Tenderly - Smart contract debugging, simulation, and real-time monitoring with transaction tracing.
• thirdweb - Full-stack Web3 SDK with prebuilt contracts, wallet infrastructure, and frontend SDKs.
• Viem - Modern modular TypeScript interface for ETH.
• Wagmi - React hooks and utilities for ETH apps. Based on Viem.
• web3.js - ETH JavaScript API for interacting with ETH nodes.
• web3.py - Python library for interacting with ETH, suitable for data analysis.

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