OBS Studio - Free and open source software for live streaming and screen recording

Command-line JSON processor

BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more

n³ The unorthodox terminal file manager

Bug-fix-only libev port of shadowsocks. Future development moved to shadowsocks-rust

John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAs

hydra

proxychains ng (new generation) - a preloader which hooks calls to sockets in dynamically linked programs and redirects it through one or more socks/http proxies. continuation of the unmaintained p…

proxychains - a tool that forces any TCP connection made by any given application to follow through proxy like TOR or any other SOCKS4, SOCKS5 or HTTP(S) proxy. Supported auth-types: "user/pass" fo…

Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows

Beanstalk is a simple, fast work queue.

Generic command line non-JVM Apache Kafka producer and consumer

eBPF Developer Tutorial: Learning eBPF Step by Step with Examples

earlyoom - Early OOM Daemon for Linux

Writing an OS in 1,000 lines.

Open source, local, and self-hosted Amazon Echo/Google Home competitive Voice Assistant alternative

Simple X hotkey daemon

A foreign function interface for bash.

A Linux eBPF rootkit with a backdoor, C2, library injection, execution hijacking, persistence and stealth capabilities.

Universal configuration library parser

Simple shell implementation. Tutorial here ->

Materials from my Strange Loop 2014 workshop, Let's Build a Shell!

Monkey HTTP Server

Entropy daemon 

Cross-platform proxy client and server for SOCKS, HTTP, and SSH protocols with transparent mode, policy-based routing and multi-proxy rules.

Block hosts that attempt to bruteforce SSH using the journald API.