For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

UNIX-like reverse engineering framework and command-line toolset

The systemd System and Service Manager

Official QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are ignored. Please only use release tarballs from the QEMU website.

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

The pattern matching swiss knife

The future of online communications.

Capstone disassembly/disassembler framework for ARM, ARM64 (ARMv8), Alpha, BPF, Ethereum VM, HPPA, LoongArch, M68K, M680X, Mips, MOS65XX, PPC, RISC-V(rv32G/rv64G), SH, Sparc, SystemZ, TMS320C64X, T…

A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network…

http request/response parser for c

A small utility to modify the dynamic linker and RPATH of ELF executables

Create, manipulate, and optimize GIF images and animations

Go to

GTK+ IRC client

Platform for Architecture-Neutral Dynamic Analysis

CPU usage limiter for Linux

Some helpful preload libraries for pwning stuff.

Wiki-like CTF write-ups repository, maintained by the community. 2016

An Introduction to libuv

CTF Field Guide

The Guacamole project is now Apache Guacamole (http://guacamole.apache.org/). This repository has been repurposed as the base for the Apache Guacamole packages built for Glyptodon Enterprise.

line-profiler for ruby

The PE file analysis toolkit

The experimental SPDY protocol version 2, 3 and 3.1 implementation in C

The Escapist

Binary Grep

The Babel routing daemon

Hot patching executables on Linux using .so file injection