Zstandard - Fast real-time compression algorithm

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

The FreeBSD src tree publish-only repository. Experimenting with 'simple' pull requests....

πfs - the data-free filesystem!

xhyve, a lightweight OS X virtualization solution

A small self-contained alternative to readline and libedit

A toolkit for embedding hypervisor capabilities in your application

Universal configuration library parser

The Scalable TLS Unwrapping Daemon

A sandboxed execution environment for unikernels

Linux source for Allwinner/Boxchip F20 (sun3i), A10 (sun4i), A12/A13/A10S (sun5i) and A20 (sun7i) SoCs

library and tools for accessing and modifying virtual machine disk images.

High quality system independent, portable, open source libm implementation

Latency benchmarks of Unix IPC mechanisms

This is official OpenSMTPD Portable repository. Forks, pull requests and other contributions are welcome!

Macaroons are flexible authorization credentials that support decentralized delegation, attenuation, and verification.

The firmware for QCA AR7010/AR9271 802.11n USB NICs

secure parasitic rdate replacement

Duo two-factor authentication for Unix systems

The PolymurHash universal hash function.

a JSON parser and printer library in C. easy to integrate with any model.

Boot2Docker running on xhyve hypervisor

Little micro-benchmark for Linux to test the cost of context switching and system calls

Bitrig base system repository.

Fast TCP encryption

FreeBSD adapted for CHERI-RISC-V and Arm Morello.

Really mini operating system (extracted from xen-unstable, and much stuff removed)

Mdns daemon for OpenBSD.

Freestanding OCaml runtime

OCaml bytecode to C compiler