The Open Source DocuSign Alternative.

letsencrypt/acme client implemented as a shell-script – just add water

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

Golang PDF library for creating and processing PDF files (pure go)

Step-by-step guide on how to create a GPG key on keybase.io, adding it to a local GPG setup and using it with Git and GitHub.

A cli tool that helps signing and zip aligning single or multiple Android application packages (APKs) with either debug or provided release certificates. It supports v1, v2 and v3 Android signing scheme has an embedded debug keystore and auto verifies after signing.

Ethereum .Net cross platform integration library

Disable PatchGuard and Driver Signature Enforcement at boot time

An implementation of JOSE standards (JWE, JWS, JWT) in Go

✒ A free, self-hosted platform to sideload iOS apps without a computer

Restore/upgrade firmware of iOS devices

Node.js RSA library

PKI.js is a pure JavaScript library implementing the formats that are used in PKI applications (signing, encryption, certificate requests, OCSP and TSP requests/responses). It is built on WebCrypto (Web Cryptography API) and requires no plug-ins.

Keyless Git signing using Sigstore

The source repository for the Trusted Platform Module (TPM2.0) tools

Apkmod can decompile, recompile, sign APK, and bind the payload with any legit APP

ARCHIVED/MOVED: please visit the new location

An S/MIME signing utility for use with Git

Create private keys and certificates with node.js

A simple, modern, and secure encryption and signing tool that aims to be a better version of age and Minisign.