Modern HTTP benchmarking tool

tmux source code

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

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

A very compact representation of a placeholder for an image.

mimalloc is a compact general purpose allocator with excellent performance.

SQLCipher is a standalone fork of SQLite that adds 256 bit AES encryption of database files and other security features.

xhyve, a lightweight OS X virtualization solution

Nokogiri (鋸) makes it easy and painless to work with XML and HTML from Ruby.

nanomsg library

Pony is an open-source, actor-model, capabilities-secure, high performance programming language

Instant Terminal Sharing

Applicative Protocol Multiplexer (e.g. share SSH and HTTPS on the same port)

A constant throughput, correct latency recording variant of wrk

Optimized JSON

The Rubinius Language Platform

Official MyDumper Project

luna programming language - a small, elegant VM implemented in C

Reorganize tables in PostgreSQL databases with minimal locks

Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.

Columnar storage extension for Postgres built as a foreign data wrapper. Check out https://github.com/citusdata/citus for a modernized columnar storage implementation built as a table access method.

A streaming JSON parsing and encoding library for Ruby (C bindings to yajl)

Asynchronous networking for C

gperftools for ruby code

ngx_mruby - A Fast and Memory-Efficient Web Server Extension Mechanism Using Scripting Language mruby for nginx

Ruby Optimized XML Parser

port of ruby-debug that works on 1.9.2 and 1.9.3

libsass command line driver

line-profiler for ruby

tmate SSH server