ts_zip: a practical text compression utility using a large language model.
TextSynth Server is a web server proposing a REST API to large language models. They can be used for example for text completion, question answering, classification, chat, translation, image generation.
QEMU is a generic machine emulator and virtualizer.
FFMPEG, the Open Source Multimedia System. I launched this project in year 2000 and led it for several years.
TCC is a tiny but complete ISOC99 C compiler which enables you to use C as scripting language. TCC has its roots in the OTCC project. The TCCBOOT boot loader demonstrate the speed of TCC by compiling and launching a Linux kernel in less than 15 seconds.
QEmacs (for Quick Emacs) is an emacs clone I began to learn Unicode rendering algorithms, text buffers manipulation and XML/HTML/CSS parsing.