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

✍️ Nextcloud app to sign PDF documents

The "cleaner" Esign app.

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

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

Minimal library for Ethereum transactions, addresses and smart contracts.

SeedSigner OS | Minimal Raspberry Pi image made for SeedSigner

伪造学习通的签到活动🙋学习通签到神器。支持滑动验证码签到、签退此类最新的签到功能，支持自定义位置签到、动态二维码签到、自选照片进行拍照签到等全部签到形式以及给其他用户无限代签的功能 Falsifying the signing activity of Chaoxing, supporting slide captcha and signing out, and location-signing by custom position, selecting a picture from gallery for photo-signing and all types. Also supported signing for infinite accounts in only one device.

Create, sign & decode Solana transactions with minimum deps

A simple web3 standard provider that signs eth_sendTransaction payloads.

Web3 中心化交易所托管钱包实现

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

Keystore Management and APK Signing Tool

Bootable live usb/cd linux distribution containing AirGap Vault.

A simple module for signing Ethereum transactions.

Tiktok Web Reverse Engineering X-Bogus & X-Gnarly, strData, eData Encrypt/Decrypt

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