Encryption/Decryption Tools

certbot/certbot

Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any…

openziti/ziti

Zero-trust networking platform that makes services invisible with cryptographic identity, policy-based access, and end-to-end encryption. Replaces…

libssh/libssh-mirror

C library implementing the SSH protocol for secure remote access, authentication, and encrypted communication. Includes fuzzing support via OSS-Fuzz…

google/fully-homomorphic-encryption

Homomorphic Encryption demos

torlando-tech/columba

Native Android messaging app using Bluetooth LE, TCP, or RNode (LoRa) over LXMF and Reticulum

hotcakex/harden-windows-security

Harden Windows Safely, Securely using Official Supported Microsoft methods and proper explanation | Always up-to-date and works with the latest build…

scille/parsec-cloud

Open source Dropbox-like file sharing with full client encryption !

gojue/ecapture

Capture SSL/TLS plaintext with eBPF—no MITM proxy or custom CA installation. Supports Linux and Android on x86_64 and arm64.

pyca/cryptography

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.

legrandin/pycryptodome

A self-contained cryptographic library for Python

openssl/openssl

General purpose TLS and crypto library

matthart1983/netwatch

Real-time network diagnostics in your terminal. One command, zero config, instant visibility.

data-privacy-stack/presidio

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports…

alonemonkey/frida-ios-dump

Extracts decrypted IPA files from jailbroken iOS devices using Frida for reverse engineering, security analysis, and mobile app pentesting.

lore-hex/quill-router

TrustedRouter.com repo for secure LLM proxying

flythenimbus/bramble

Local-first password manager with direct device-to-device sync