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𝒪(𝑛) things to do, 𝒪(lg 𝑛) time to do them
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𝒪(𝑛) things to do, 𝒪(lg 𝑛) time to do them

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89 stars written in C
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OBS Studio - Free and open source software for live streaming and screen recording

C 69,095 8,899 Updated Dec 16, 2025

🎥 Command line media player

C 32,992 3,176 Updated Dec 15, 2025

UNIX-like reverse engineering framework and command-line toolset

C 22,769 3,149 Updated Dec 17, 2025

Flipper Zero Unleashed Firmware

C 20,635 1,770 Updated Dec 16, 2025

mimalloc is a compact general purpose allocator with excellent performance.

C 12,277 1,032 Updated Dec 10, 2025

OpenZFS on Linux and FreeBSD

C 11,830 1,924 Updated Dec 16, 2025

The “Quite OK Image Format” for fast, lossless image compression

C 7,367 360 Updated Nov 13, 2025

tiniest x86-64-linux emulator

C 7,361 250 Updated Dec 10, 2025

Reparent a running program to a new terminal

C 6,129 227 Updated Nov 20, 2025

Run arbitrary commands when files change

C 5,400 120 Updated Nov 24, 2025

Wrangling Untrusted File Formats Safely

C 4,680 142 Updated Nov 24, 2025

This project hosts security advisories and their accompanying proof-of-concepts related to research conducted at Google which impact non-Google owned code.

C 4,288 504 Updated Dec 4, 2025

This repository contains several applications, demonstrating the Meltdown bug.

C 4,158 523 Updated May 30, 2022

Library providing helpers for the Linux kernel io_uring support

C 3,460 485 Updated Dec 17, 2025

Security oriented software fuzzer. Supports evolutionary, feedback-driven fuzzing based on code coverage (SW and HW based)

C 3,287 532 Updated Sep 14, 2025

UNIX-like reverse engineering framework and command-line toolset.

C 3,258 461 Updated Dec 17, 2025

toybox

C 2,982 385 Updated Dec 11, 2025

libfaketime modifies the system time for a single application

C 2,972 357 Updated Dec 15, 2025

Implementations of SIMD instruction sets for systems which don't natively support them.

C 2,883 291 Updated Nov 24, 2025

strace is a diagnostic, debugging and instructional userspace utility for Linux

C 2,530 464 Updated Dec 17, 2025

regular expression library

C 2,486 345 Updated Apr 24, 2025

Quibble - the custom Windows bootloader

C 2,357 97 Updated Jun 23, 2024

CoreFreq : CPU monitoring and tuning software designed for the 64-bit processors.

C 2,173 143 Updated Dec 6, 2025

Command-line copy/paste utilities for Wayland

C 2,120 79 Updated Nov 24, 2025

bpftune uses BPF to auto-tune Linux systems

C 1,743 95 Updated Dec 15, 2025

Restore/upgrade firmware of iOS devices

C 1,671 462 Updated Nov 24, 2025

sched_ext schedulers and tools

C 1,604 202 Updated Dec 17, 2025

Content-Addressable Data Synchronization Tool

C 1,553 114 Updated Sep 22, 2025

nsync is a C library that exports various synchronization primitives, such as mutexes

C 1,235 93 Updated Oct 29, 2025

libunwind official github repo (in need of new / additional maintainer, mail/open issue if interested)

C 1,165 321 Updated Dec 10, 2025
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