141 Open source projects that are alternatives of or similar to OpenPGP

Make using Bouncy Castle with OpenPGP fun again!

🔒 GPG Sync is designed to let users always have up-to-date public keys for other members of their organization

OpenPGP for react native made with golang for fast performance

🔐 📧 Encrypts WordPress emails using OpenPGP or S/MIME with a familiar API.

OpenPGP for flutter made with golang for fast performance with support for android, ios, macos, linux, windows, web and hover

🔏 turning the system behind GPG Sync into an Internet standard

A tool that makes it easy to work with and convert between cryptographic key formats

Send encrypted PGP messages with one click

OpenPGP.php is a pure-PHP implementation of the OpenPGP Message Format (RFC 4880).

OpenPGP keys published on your website (WKD)

RNP: high performance C++ OpenPGP library, fully compliant to RFC 4880

OpenPGP library for iOS and macOS

Simple to use OpenPGP API based on Bouncy Castle

SASLprep: Stringprep Profile for User Names and Passwords.

An open process for designing substantial changes to Concourse.

Zerocaf: A library built for EC operations in Zero Knowledge.

Cold store small files on paper as QR codes -- PGP keys, Bitcoin keys, Tox keys or any other small files in general.

A command line tool that creates bibtex entries for IETF RFCs and Internet Drafts.

Security framework for building multi-user end-to-end encrypted data storage and sharing/processing with zero leakage risks from storage and transport infrastructure.

SOPS multi-file wrapper

Salt Secure Pillar Tool

SageMath/Python Toolkit for Cryptanalytic Research

OpenPGP Key Server

Pure Go implementation of cryptographic APIs found in libsodium

Managing secrets with Yubikey

Distributed Privacy Guard (DKGPG) implements Distributed Key Generation (DKG) and Threshold Cryptography for OpenPGP

Officially supported Psi plugins

Shamir's Secret Sharing Algorithm implementation in golang combined with PGP and a mail delivery system

SIKE for Java is a software library that implements experimental supersingular isogeny cryptographic schemes that aim to provide protection against attackers running a large-scale quantum computer.

Pure Python implementation of SHA2 (i.e., SHA224, SHA256, SHA384, and SHA512).

Python bindings for fastpbkdf2

AsciiRFC: an AsciiDoc/asciidoctor backend to produce RFC XML v3 (RFC 7991) and v2 (RFC 7749)

Sign, verify, encrypt and decrypt data with PGP in your browser.

🔐 A free, light and easy to use client-side tool to generate PGP key pairs, encrypt and decrypt messages.

Health Check Response RFC Draft for HTTP APIs

Simple PGP encryption/decryption on android.

Don't Roll Your Own Crypto: pure-Rust, hard to misuse cryptography library

BitChan is a decentralized anonymous imageboard inspired by BitBoard and built on top of BitMessage with Tor and GnuPG.

WiP: RFC 4880 (OpenPGP) library and utilities in OCaml

An easier way to sign OpenPGP keys over the local network. A GTK/GNOME application to use GnuPG for signing other peoples' keys. Quickly, easily, and securely.

Cryptographic library with an mbed TLS back end

tool to query for tokens and passwords for use as environment variables

📩🛡 Email privacy. Anonymously send and receive with alias forwarding.

Explore OpenPGP and other cryptography as an alternative for seals (mitome-in)

Multiple implementations on email address validation.

Verify Open PGP / GPG signatures plugin

Open source SHA-512 loginless bitcoin wallet

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat

MagicPad is an encryption suite for beginners. It is designed to be run standalone via the browser or executable (Electron).

Immutable value object for IPv4 and IPv6 addresses, including helper methods and Doctrine support.

Usable encrypted email

Successor of zendesk/helm-secrets - A helm plugin that help manage secrets with Git workflow and store them anywhere

Pure rust implementation of OpenPGP

ISC Forge is an open source DHCP conformance validation framework, primarily used for testing ISC Kea.

share secrets within teams to avoid plain-text secrets from day one

Decentralized Identity with Github

Postfix filter/hook to automatically encrypt outgoing emails with PGP/GPG

Hardware Security SDK - open source version (GPLv3). Full version can be found on https://hwsecurity.dev.

An SSH and GPG agent which you can use with your PIV hardware security device (e.g. a Yubikey).

presentation materials for our cryptoparties