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

Rofi: A window switcher, application launcher and dmenu replacement

Open Source Soldering Iron firmware

xhyve, a lightweight OS X virtualization solution

Reparent a running program to a new terminal

Lightweight automation and productivity app for OS X

The client of the future

Console-based pandora.com player

Hindsight - light weight data processing skeleton

Light-weight, secure and modular VPN solution which makes use of NaCl encryption (also available for Android using jnacl in "sigmavpn-android")

Ruby library to interact with tun/tap devices (Linux)