go-ethereum-hdwallet

Gitcoin Passport scores wallet activity and stamps so communities can gate airdrops, grants, or governance participation with lightweight sybil resistance.

thirdweb is a full stack, open-source web3 development platform with frontend, backend, and onchain tools to build complete web3 apps - on every EVM chain.

Alchemy's Modular Account is a maximally modular, upgradeable smart contract account that is compatible with ERC-4337 and ERC-6900. Alchemy's Modular Account most efficient smart account on the market with release of v2 released in feb 2025

EAS is an infrastructure public good for making attestations onchain or offchain about anything. Attestations are digital signatures on structured pieces of data used to build more trust online and onchain.

Passwordless Web3 authentication SDK with encrypted wallets and privacy features.

Ethereum Name Service (ENS) is a decentralized naming protocol for Ethereum. Map human-readable names to addresses, avatars, and other records. Developer docs cover CCIP Read, contracts, and integration. Includes ENSJS SDK for resolution and management.