Alchemy
Blockchain node infrastructure and developer APIs.
Infrastructure: RPC, Indexing
What can you build?
- Trading platform
- NFT marketplace
Free
Freemium
15 APIs
Dune Analytics
Community-driven blockchain analytics and SQL queries.
Analytics: Analytics, Market Data, Indexing
What can you build?
- Trading platform
- DeFi dashboard
Free
Freemium
Envio
Fast multichain indexer for custom pipelines and live events.
Data: Indexing, Analytics
What can you build?
- Custom indexers
- Real-time event tracking
Open Source
Free
Freemium
Hardhat
Ethereum development environment for local chains and scripts.
Open Source
Free
LayerZero
Omnichain messaging protocol for cross-chain apps.
Free
Freemium
LI.FI
Cross-chain swap and bridge aggregation API with open SDKs for routing liquidity across chains.
DeFi Primitives: DeFi, Trading API, Cross-chain
What can you build?
- Cross-chain swaps
- Bridge widgets
Open Source
Free
Freemium
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