Best crypto tools, bots, and protocols

OpenSea API is a developer API helping users make custom marketplaces with smart contracts easily.

OpenLive NFT marketplace enables users to generate, buy, and sell NFTs.

Opensea Subgraph extracts on-chain data from the Seaport marketplace using a GraphQL API.

OpenZeppelin Defender lowers risk factors as you deploy smart contracts through a SecOps toolchain.

OpenPool powers your customer reporting, accounting, compliance, and performance analytics stack.

Earn Optimism ETH by bridging USDC to the Optimism network and interacting with dapps.

A deep analytic NFT platform that helps anyone have greater control of the NFT market. 

Superchain faucet funds up to 1 ETH every 24 hours across test networks on the Superchain.

Opera Crypto Browser is a web browser optimized for web3.

Optimistic Etherscan is an Optimism blockchain explorer.

Oraqle provides systematic NFT investing.

Orbit DB is a peer-to-peer database for web3.

With Orvylle, you can create token gated pages for photos, videos and any downloadable file.

Otterscan is an opensource Ethereum blockexplorer.

Outerbridge is an open-source low/no code automation tool to connect Web3 and Web2 applications.

OverHyped.io is an NFT marketplace that sells tech-enabled clothing with authenticity verification.

Multi User, Multi Contract, No Crypto Needed, Minting Platform for Projects and Apps.

Overtime is a decentralized marketplace for sports events that operate on the Thales protocol.

The Paradigm Faucet airdrops tokens and NFTs to developers across 5 common testnet networks.

Pass is a community-governed and curated NFT Marketplace embracing Creators, Collectors, and Culture.

Pawnfi appraises and liquidates non-standard assets (NSAs).

PARSIQ is a data provider service for real-time streams, analysis and decentralized storage.

PawnSpace is a decentralized NFT-collateral lending platform on Polygon.

Pentacle helps you explore protocols – with a focus on security, reputation, and relationships.

Pentas promotes Web3 adoption and empowers the ecosystem with innovative solutions and tools.