Cryptography

hwdsl2/setup-ipsec-vpn

Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. Supports Ubuntu, Debian, CentOS/RHEL, Alpine Linux…

bitcoin/bitcoin

Full-node Bitcoin client that validates transactions and blocks on the peer-to-peer network, with integrated wallet, cryptographic security, and…

rocketchat/rocket.chat

The Secure CommsOS™ for mission-critical operations

danielmiessler/seclists

Curated collection of wordlists for security assessments, including usernames, passwords, URLs, fuzzing payloads, and sensitive data patterns for…

caddyserver/caddy

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

openssl/openssl

General purpose TLS and crypto library

dbeaver/dbeaver

Free universal database tool and SQL client

hashicorp/vault

A tool for secrets management, encryption as a service, and privileged access management

werwolv/imhex

🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.

angristan/openvpn-install

Set up your own OpenVPN server on Debian, Ubuntu, Fedora, CentOS, Arch Linux and more

gchq/cyberchef

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

permissionlesstech/bitchat

bluetooth mesh chat, IRC vibes

tailscale/tailscale

The easiest, most secure way to use WireGuard and 2FA.

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…

restic/restic

Fast, secure, efficient backup program

pluja/awesome-privacy

Awesome Privacy - A curated list of services and alternatives that respect your privacy because PRIVACY MATTERS.

infisical/infisical

Infisical is the open-source platform for secrets, certificates, and privileged access management.