#Eip712

q9f

eth.rb

a straightforward library to build, sign, and broadcast ethereum transactions anywhere you can run ruby.

AmbireTech

signature-validator

TypeScript library that supports validation of any type of signature: account abstraction (ERC-1271, ERC-6492), standard signatures, ERC-712

0xMaka

w3py

Various DeFi scripts and examples

SilentCicero

MultiSignatureWallet

311 byte EIP712 Signing Compliant Delegate-Call Enabled MultiSignature Wallet for the Ethereum Virtual Machine

openlawteam

ethers-gcp-kms-signer

Ethers.js Signer that connects to GCP KMS

Wammero

polymarket-sdk-cpp

High-performance C++23 SDK for Polymarket — Gamma, CLOB, Data, WebSocket, RTDS, RFQ. 3x faster than Rust SDK.