Free on-device iOS/iPadOS application manager/installer, using certificates part of the Apple Developer Program.

✍️ Nextcloud app to sign PDF documents

Esign is a tool used for signing iPA apps with Apple Developer/Distribution certificates and installing them. iOS 26,18,17

Minimal library for Ethereum transactions, addresses and smart contracts.

Audited & minimal library for creating, signing & decoding Bitcoin transactions.

The "cleaner" Esign app.

SeedSigner OS | Minimal Raspberry Pi image made for SeedSigner

Create, sign & decode Solana transactions with minimum deps

A simple web3 standard provider that signs eth_sendTransaction payloads.

伪造学习通的签到活动，🙋学习通签到神器。支持验证码签到、签退、自定义位置签到、动态二维码接收签到、拍照签到和代签功能 Falsifying the signing activity of Chaoxing, supporting signing with captcha, signing out, location signing, dynamic QR code signing and photo signing.

A simple service for interacting with an HSM or other PKCS#11 device.

Bootable live usb/cd linux distribution containing AirGap Vault.

A simple module for signing Ethereum transactions.

Bitcoin PSBT signer, descriptor exporter and more.

A proxy DLL for Windows to dump your developer account certificate from AltServer

Hardware signer and key storage for Substrate ecosystem

根据配置shell脚本自动批量化化apk签名工具，可选配置自定义功能

A stupid IOS API signer using https://api.ipasign.pro and zsign also (almost) every line of code was written with ChatGPT :3

A Tendermint PrivValidator implementation using the YubiHSM2