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

UNIX-like reverse engineering framework and command-line toolset

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

A Compiler Writing Journey

mimalloc is a compact general purpose allocator with excellent performance.

FFmpeg libav tutorial - learn how media works from basic to transmuxing, transcoding and more. Translations: 🇺🇸 🇨🇳 🇰🇷 🇪🇸 🇻🇳 🇧🇷

The pattern matching swiss knife

A text editor in less than 1000 LOC with syntax highlight and search.

Lightweight automation and productivity app for OS X

QEMU Interactive Runtime Analyser

Checked C is an extension to C that lets programmers write C code with bounds checking and improved type-safety. The goal is to let people easily make their existing C code type-safe and eliminate …

ldd as a tree

Linux Device Drivers 3 examples updated to work in recent kernels

Upload arbitrary data via Apple's Find My network.

Computing with traps

A simple, kernel-space, on-disk filesystem from the scratch

Azazel is a userland rootkit based off of the original LD_PRELOAD technique from Jynx rootkit. It is more robust and has additional features, and focuses heavily around anti-debugging and anti-dete…

UC Berkeley release of Plan 9 under the GPLv2

A kernel that can read from keyboard and print on-screen

NCSA Mosaic 2.7

Port of the Vim text editor to the iOS

SeaHorn Verification Framework

.DS_Store is an abomination and must be stopped.

A quick and very dirty Scheme interpereter.

Akaros Operating System

code injection and function overriding for Mac OS X

Fast TCP encryption

RoarVM is a manycore Smalltalk Virtual Machine

yeah I'm getting tired of the long description

Framework for developing and deploying FPGA logic in the cloud as a microservice for web and cloud applications