#1Tools for securely encrypting data or decrypting captured ciphertext and analyzing encryption methods.
Kitploit recommended

Simple and flexible tool for managing secrets

⚡ Automatically decrypt encryptions without knowing the key or cipher, decode encodings, and crack hashes ⚡

Cross-platform multi-protocol VPN server and client supporting SSL-VPN, WireGuard, OpenVPN, IPsec, L2TP, MS-SSTP, L2TPv3 and EtherIP with AES-256…

John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems,…

A lightweight, cryptography-powered, open-source toolkit built to enforce Zero Trust security for infrastructure, applications, and data in the…

Cross-platform client-side encryption for cloud storage with AES-256, encrypted filenames, obfuscated folder structure, and transparent virtual drive…

Bitwarden client apps (web, browser extension, desktop, and cli).

A cross-platform programmable network tool

Dockerized mail server suite with Postfix, Dovecot, Rspamd, and ClamAV. Provides secure email hosting with integrated spam filtering, antivirus, and…

get things from one computer to another, safely

🦄 A curated list of privacy & security-focused software and services

GO Simple Tunnel - a simple tunnel written in golang

Extract and decrypt browser data, supporting multiple data types, runnable on various operating systems (macOS, Windows, Linux).

RSA attack tool (mainly for ctf) - retrieve private key from weak public key and/or uncipher data

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

Easy and fast file sharing from the command-line.

A modern, portable, easy to use crypto library.

Flexible DNS proxy with encrypted protocol support (DNSCrypt v2, DoH, ODoH, Anonymized DNS), caching, filtering, load balancing, and cloaking for…