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157 stars written in C
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Modern HTTP benchmarking tool

C 40,284 3,031 Updated Dec 30, 2023

Zstandard - Fast real-time compression algorithm

C 27,123 2,484 Updated May 14, 2026

UNIX-like reverse engineering framework and command-line toolset

C 23,864 3,228 Updated May 18, 2026

How to Make a Computer Operating System in C++

C 22,414 3,464 Updated Dec 16, 2021

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

C 22,407 4,052 Updated May 7, 2026

A little tool to play with Windows security

C 21,565 4,119 Updated Apr 17, 2026

Playground (and dump) of stuff I make or modify for the Flipper Zero

C 17,030 3,837 Updated May 17, 2026

Capturing SSL/TLS plaintext without a CA certificate using eBPF. Supported on Linux/Android kernels for amd64/arm64.

C 15,168 1,613 Updated May 17, 2026

A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Brought to you by Winsider Seminars & Solutions, Inc. @ http://www.windows-internals…

C 14,722 1,687 Updated May 18, 2026

A Compiler Writing Journey

C 13,220 1,190 Updated Sep 24, 2025

mimalloc is a compact general purpose allocator with excellent performance.

C 12,900 1,103 Updated May 8, 2026

A tiny but valid `init` for containers

C 11,082 543 Updated May 8, 2025

Extremely fast non-cryptographic hash algorithm

C 11,020 897 Updated Apr 13, 2026

GPU & Accelerator process monitoring for AMD, Apple, Huawei, Intel, NVIDIA and Qualcomm

C 10,658 397 Updated May 6, 2026

The pattern matching swiss knife

C 9,615 1,564 Updated May 7, 2026

Sioyek is a PDF viewer with a focus on textbooks and research papers

C 9,505 337 Updated May 15, 2026

A repository for learning various heap exploitation techniques.

C 8,652 1,268 Updated May 15, 2026

🐬 Feature-rich, stable and customizable Flipper Firmware

C 8,516 518 Updated May 12, 2026

Official git repo for iodine dns tunnel

C 7,867 590 Updated Sep 4, 2025

Arkime is an open source, large scale, full packet capturing, indexing, and database system.

C 7,373 1,142 Updated May 18, 2026

The fuzzer afl++ is afl with community patches, qemu 5.1 upgrade, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power schedules, MOpt mutators, unicorn_mode, and a lot more!

C 6,524 1,283 Updated May 15, 2026

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community.

C 6,306 1,714 Updated May 16, 2026

Reparent a running program to a new terminal

C 6,266 231 Updated Nov 20, 2025

Flexible I/O Tester

C 6,224 1,405 Updated May 15, 2026

A high performance layer 4 load balancer

C 5,237 538 Updated May 18, 2026

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

C 5,068 398 Updated May 8, 2026

Wrangling Untrusted File Formats Safely

C 4,746 144 Updated May 17, 2026

An implementation of the TLS/SSL protocols

C 4,721 780 Updated May 18, 2026

An online request replication and TCP stream replay tool, ideal for real testing, performance testing, stability testing, stress testing, load testing, smoke testing, and more.

C 4,680 1,025 Updated Jun 18, 2025

Coz: Causal Profiling

C 4,495 170 Updated Apr 18, 2026
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