0x Protocol
Swap aggregator protocol and APIs for DEX liquidity.
Open Source
Free
Freemium
56 APIs
Aave SDK
SDK and APIs for Aave lending markets and position management.
DeFi Primitives: DeFi, Lending
What can you build?
- Borrow/lend apps
- Yield aggregators
Open Source
Free
Ankr
Multichain RPC and staking infrastructure for dapps.
Free
Freemium
API3
First-party oracle network with dAPI feeds and Airnode integrations.
Oracles & Real World Data: Oracles, Market Data
What can you build?
- dAPI feeds
- Airnode integrations
Open Source
Free
Freemium
Axelar
Cross-chain SDK for bridging assets and interchain dapps.
Open Source
Free
Freemium
Aztec
Private smart contracts and shielded execution on Ethereum.
Open Source
Free
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