Best Blockchain Tools to Use in 2026
Discover the best free and open-source blockchain tools. Curated list with alternatives and reviews.
Top Picks
Bitquery
Onchain GraphQL APIs & DEX APIs
Blockscout
Multichain block explorer REST API (with Etherscan-compatible JSON-RPC)
Chainlink
Build hybrid smart contracts with Chainlink
Chainpoint
Chainpoint is a global network for anchoring data to the Bitcoin blockchain
Covalent
Multi-blockchain data aggregator platform
Etherscan
Ethereum explorer API
More Great Options
Helium
Helium is a global, distributed network of Hotspots that create public, long-range wireless coverage
Nownodes
Blockchain-as-a-service solution that provides high-quality connection via API
Steem
Blockchain-based blogging and social media website
TWZRD Agent Intel
Solana on-chain agent trust scoring via MCP; 4 free tools to score, resolve and verify AI agent w...
The Graph
Indexing protocol for querying networks like Ethereum with GraphQL
Walltime
To retrieve Walltime's market info
FAQ
Are these tools really free?
Yes! All tools listed on Craftisle are 100% free or have a generous free tier.
How do you choose the best tools?
We evaluate based on features, ease of use, community support, and update frequency.