Linux kernel source tree

The fastest path to AI-powered full stack observability, even for lean teams.

A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTMP, RTMP…

Modern HTTP benchmarking tool

Command-line JSON processor

TLS/SSL and crypto library

A code-searching tool similar to ack, but faster.

Zstandard - Fast real-time compression algorithm

Cross-platform asynchronous I/O

World's fastest and most advanced password recovery utility

TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.

UNIX-like reverse engineering framework and command-line toolset

A time-series database for high-performance real-time analytics packaged as a Postgres extension

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

A little tool to play with Windows security

GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.

The systemd System and Service Manager

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

A modern, portable, easy to use crypto library.

FreeRDP is a free remote desktop protocol library and clients

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

Nmap - the Network Mapper. Github mirror of official SVN repository.

AddressSanitizer, ThreadSanitizer, MemorySanitizer

OpenZFS on Linux and FreeBSD

Small and highly portable detection tests based on MITRE's ATT&CK.

Extremely Fast Compression algorithm

Embed the Power of Lua into NGINX HTTP servers

hydra

The single instruction C compiler