Hans Petter Jansson

geotransport. Stochastic Geomorphological Transport for Terrain Erosion Simulation - Official Code

pocket-tts. A TTS that fits in your CPU (and pocket)

eternal. Eternal Software Initiative

f3d. Fast and minimalist 3D viewer.

DeepSeek-Reasonix. DeepSeek-native AI coding agent for your terminal. Engineered around prefix-cache stability — leave it running.

Mesh. A memory allocator that automatically reduces the memory footprint of C/C++ applications.

primitive. Reproducing images with geometric primitives.

clay. High performance UI layout library in C.

lazycut. A simple terminal UI for video trimming

project-nomad. Project N.O.M.A.D, is a self-contained, offline survival computer packed with critical tools, knowledge, and AI to keep you informed and empowered—anytime, anywhere.

Slug. Reference code for the Slug Algorithm.

ratatui-image. Ratatui widget for rendering image graphics in terminals that support it

autotrace. bitmap to vector graphics converter

PolyVectorization. Reference implementation of Vectorization of Line Drawings via PolyVector Fields

linedraw. Convert images to vectorized line drawings for plotters.

neofetch. 🖼️ A command-line system information tool written in bash 3.2+ (actively maintained fork)

ESP32-Cheap-Yellow-Display. Building a community around a cheap ESP32 Display with a touch screen

mutagen. Fast file synchronization and network forwarding for remote development

not-so-oblique-strategies. Press the bottom-left button of your modded Casio F-91W to receive a daily edict.

second-movement. Work-in-progress update to Movement, the community firmware for Sensor Watch

tarot. tarot for the terminal.

ImperativeScene. The best open-universe scene generator (in 2025)

3DConsoleGame. 3D Game In Console

smartcrop-cli. Command line interface for the smartcrop library to provide content aware image cropping.

smartcrop.js. Content aware image cropping

PixelTerm-C. A high-performance terminal image/video/book browser based on Chafa.

PixelTerm. A terminal image viewer just for test.

casciian. Text User Interface Library

ytsurf. YouTube in your terminal. Clean and distraction-free.

occult. vpype plug-in to remove occulted lines in SVG files

typst. A markup-based typesetting system that is powerful and easy to learn.

typeframe. A collection of open-source hardware and software for building writerdecks and cyberdecks

gitlogue. A cinematic Git commit replay tool for the terminal, turning your Git history into a living, animated story.

term39. A modern, retro-styled terminal multiplexer built with Rust.

ramalama. RamaLama is an open-source developer tool that simplifies the local serving of AI models from any source and facilitates their use for inference in production, all through the familiar language of containers.

qd_mosaic. Build SVG plotter mosaics using the doodles in the Quick Draw dataset.

DrawingBotV3. DrawingBotV3 is a software for converting images into vector art

hatched. Convert images to plotter-friendly hatched patterns

monaspace. An innovative superfamily of fonts for code

tiny386. tiny 386 PC emulator; running win9x on esp32

ssh-chatter. ssh-chat in modern c

chroma. 🌈 Shader-based audio visualizer for the terminal

chafa-gui. JavaScript

virtinitrd. A simple way to spawn VMs on a chroot directory using virtiofs instead of images.

pictoprime. Generate prime numbers from pictures!

SX12XX-LoRa. Library for SX12XX LoRa devices

openseadragon. An open-source, web-based viewer for zoomable images, implemented in pure JavaScript.

torchbp. Fast C++ Pytorch extension for differentiable synthetic aperture radar image formation and autofocus library on CPU and GPU

helio-sequencer. Libre music sequencer for desktop and mobile platforms

seam-carving. A super-fast Python implementation of seam carving algorithm for intelligent image resizing.

llm.c. LLM training in simple, raw C/CUDA

llm.c. Small file, giant dream, llm.c whispers tokens, worlds unfold in text.

awesome-minitel. A curated list of minitel resources

oklab-int. C

xserver-SIXEL. A X server implementation for SIXEL-featured terminals, based on @pelya's Xsdl kdrive server(https://github.com/pelya/xserver-xsdl)

cuRNN. CUDA implementation of "Were RNNs All We Needed?" - minLSTM and minGRU models with fewer parameters and full training parallelization

deap. Distributed Evolutionary Algorithms in Python

term.everything. Run any GUI app in the terminal❗

darkdraw. unicode art and animation in the terminal

fluid-sims. Collection of high-performance, CUDA-accelerated fluid dynamics and physics simulators, including SPH, hypersonic flow, and reaction-diffusion systems.

engine-sim. Combustion engine simulator that generates realistic audio.

minima. Minima is a one-size-fits-all Jekyll theme for writers.

ascii-silhouettify. HTML

handwriting-synthesis. Handwriting Synthesis with RNNs ✏️

imgui. Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

archive-amiga. Amiga ASCII archive

techniques. Techniques for deep learning with satellite & aerial imagery

bolt. High-performance, real-time optimized, and statically typed embedded language implemented in C.

RFUAV. This is official repository of our paper "RFUAV: A Benchmark Dataset for Unmanned Aerial Vehicle Detection and Identification". Codes include a two stage model to achieve drone detection and classification using some FFT/STFT analytical method. The Raw data will be free to use after our paper is accept. Star us!!!!, if you think this is useful♥

Asciiroid_Belt. An ASCII arcade space shooter.

pce. PC simulator/emulator targeting a range of systems from 8086 through to Pentium, written in C++

zignal. zero-dependency image processing library

dlib. A toolkit for making real world machine learning and data analysis applications in C++

kb. kb single-header C/C++ libraries

ntsc-rs. Free, open-source VHS effect. Standalone application + plugin (After Effects, Premiere, and OpenFX).

tinyGS. 📡 Open Ground Station Network 🛰

topography_atlas_of_space. Code and instructions for making topographic maps of planets and moons

raylib. A simple and easy-to-use library to enjoy videogames programming

uftrace. Function graph tracer for C/C++/Rust/Python

pseudo3d. a raycaster in bash

tattoy. A text-based compositor for modern terminals

anifetch. neofetch but animated

chafa-go. Go bindings for the Chafa terminal graphics library. Render high quality images on the terminal without CGO or external dependencies.

kyma. Presentations from markdown in the terminal with fancy transition animations

ultimate_releases. Binary blobs of U2/U2+ and U64 firmware versions

uniline. Draw ─◀UNICODE diagrams▶─ within ─◀your texts▶─ in Emacs

vtdoom. A port of the DOOM video game for VT sixel terminals.

lgi. Dynamic Lua binding to GObject libraries using GObject-Introspection

colors. Color standards for terminal emulators

clifm. 💾 The shell-like, command-line terminal file manager

vpype. The Swiss-Army-knife command-line tool for plotter vector graphics.

pseudographics. drawing with ▖▗▘▙▚▛▜▝▞▟ instead of pixels

X4SectorCreator. A winforms based tool to customize your sandbox experience in X4 Foundations.

plotterfun. JavaScript

svgmoji. Popular open source emoji libraries available as svg sprites

fui. framebuffer user interface

C64-250407-Replica-KiCad. HTML

plotink. Common files for Inkscape extensions to drive EggBot, WaterColorBot, and similar plotter-type machines

EggBot. Software for The Original EggBot

juicy-gcode. A lightweight SVG to GCode converter for maximal curve fitting

inkscapestrokefont. Inkscape Extensions For Creating and Using Stroke Fonts

handcode. HandCode - A handwriting GCode generator

vhs-decode. Software defined VHS decoder - Fork (maybe temporary) of the ld-decode Laserdisc rf decoder

gcode-cli. Simple command line tool to send gcode to serial 3D printer/CNC machine.

Oidos. Software synthesizer based on additive synthesis

svg2gcode. Convert vector graphics to g-code for pen plotters, laser engravers, and other CNC machines

Marlin. Marlin adapted for polargraph vertical plotting robots. Defaults to dimensions for Makelangelo 5

tarts. Screen savers and visual effects for your terminal!

Luminet-Black-Hole. Recreation of Luminet's 1979 paper

Makelangelo-software. Software for plotters - especially the wall-hanging polargraph also called Makelangelo.

cvelistV5. CVE cache of the official CVE List in CVE JSON 5 format

unsure. Unsure Calculator

sixel. Fast sixel encoder for indexed color bitmap terminal graphics

simdutf. Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension, LoongArch64, POWER. Part of Node.js, WebKit/Safari, Ladybird, Chromium, Cloudflare Workers, Ghostty and Bun.

Cortex-Command-Community-Project. Cortex Command - Open Source under GNU AGPL v3

SierraDeathGenerator. Generate fake screenshots from video games

presenterm. A markdown terminal slideshow tool

mdp. A command-line based markdown presentation tool.

SatDump. A generic satellite data processing software.

GridSeis. Predicting Carbon Intensity from Grid Frequency Data Using FFT Analysis and Gradient Boosted Regression

abi-compliance-checker. A tool for checking backward API/ABI compatibility of a C/C++ library

gibberlink. Two conversational AI agents switching from English to sound-level protocol after confirming they are both AI agents

ckwin. Kermit 95 (C-Kermit for Windows and OS/2) - scriptable internet and serial communications with terminal emulation

DomTerm. DOM/JavaScript-based terminal-emulator/console

toyterm. a terminal emulator

alacritty. Patch to add support to Alacritty for graphics (Sixel and iTerm2 protocols)

libuv. Cross-platform asynchronous I/O

unsloth. Unsloth Studio is a web UI for training and running open models like Gemma 4, Qwen3.6, DeepSeek, gpt-oss locally.

LumonMDR. Lumon's Macrodata Refinement application inspired by Apple TV's 'Severance'.

tcell. Tcell is an alternate terminal package, similar in some ways to termbox, but better in others.

czkawka. Multi functional app to find duplicates, empty folders, similar images etc.

libdivide. Official git repository for libdivide: optimized integer division

gxhash. Unsafely fast hashing algorithm 📈

gnuplot-palettes. Color palettes for gnuplot

farver. High Performance Colourspace Manipulation in R

elite-source-code-apple-ii. Fully documented source code for the classic game Elite on the Apple II

sarif-rs. A group of Rust projects for interacting with the SARIF format

sarif-tutorials. User-friendly documentation for the SARIF file format.

tdfiglet. A figlet for TheDraw's TDF ANSI fonts

Plots. A graph plotting app for GNOME

Chata. :guitar::long_drum::magic_wand: Make DSP Great Again. Powered by RISC-V!

Simple-FFT. Header-only C++ library implementing fast Fourier transform of 1D, 2D and 3D data.

SampleZoo. Simple implementations of sampling patterns, with objective tests to compare them

fast_prng. A modified Ziggurat Algorithm for efficiently generating exponentially- and normally-distributed PseudoRandom Numbers (PRNs).

fzf-preview. A Simple Fzf Preview Script, helps to preview any filetype in fzf preview window.

cypher-pn532. A tiny ESP32 device that interacts with RFID + NFC devices using the PN532 chip.

esp32-gps-wifi-wigle. A DIY wardriver using ESP32 for GPS + WiFi data

QTeletextMaker. An open source Level 2.5 teletext page editor.

ansi2html. A C program that converts (most) ANSI color escape (16, 256, and 24-bit) foreground and background color, and "style" codes to HTML.

etcpak. The fastest ETC compressor on the planet

vv. Terminal image viewer

mkdev. OCI-compliant container image boilerplates for managing isolated development environments with GNU Make.

legba. The fastest and more comprehensive multiprotocol credentials bruteforcer / password sprayer and enumerator. 🥷

bettercap. The Swiss Army knife for 802.11, BLE, HID, CAN-bus, IPv4 and IPv6 networks reconnaissance and MITM attacks.

pwnagotchi. (⌐■_■) - Deep Reinforcement Learning instrumenting bettercap for WiFi pwning.

kmp3. my take on cli music player

UnifontEX. An extended fork of GNU Unifont with a focus on high compatibility.

enigma-bbs. ENiGMA½ BBS Software

sbbs. Mirror of gitlab.synchro.net/sbbs (don't submit pull requests here)

old-reddit-redirect. Ensure Reddit always loads the old design

elite-source-code-commodore-64. Fully documented source code for the classic game Elite on the Commodore 64

rederr. Colour your stderr red

asciiflow. ASCIIFlow

soloud. Free, easy, portable audio engine for games

geos. Source code of GEOS 2.0 for the Commodore 64 and 128

darshell-clock. Minimalist digital clock #ASCII #terminal.

libgccjit-demos. C

ssim. Fast and portable SSIM implementation

nin. nin is ninjatool

llvm-mos-sdk. SDK for developing with the llvm-mos compiler

llvm-mos. Port of LLVM to the MOS 6502 and related processors

libvaxis. a modern tui library written in zig

allrgb. Generates an image with every RGB color exactly once

mistfunk. The undertakings of the Mistigris computer art collective are a massive project that have wandered the wilderness of cyberspace for 30 years so far. Let's see if we can't double that!

box2d. Box2D is a 2D physics engine for games

Tutorials. Source Code To Accompany the Videos

FTXUI. :computer: C++ Functional Terminal User Interface. :heart:

8Beat. Audio DSP and synthesizer lib and threaded chiptune player for games and such.

Termin8or. A light-weight curses-like header-only library. Good for terminal-based games and such.

congress. Public domain data collectors for the work of Congress, including legislation, amendments, and votes.

congress-legislators. Members of the United States Congress, 1789-Present, in YAML/JSON/CSV, as well as committees, presidents, and vice presidents.

jj-fzf. Text UI for Jujutsu based on fzf, centering around the jj log with key bindings for common operations

RemoteIDSpoofer. NodeMCU RemoteID Spoofer

drone-swarmer. Drone Swarmer is an ESP8266 device based on RemoteIDSpoofer that spoofs "ghost" drones by exploiting an Open Drone ID vulnerability using Wi-Fi beacon broadcasts 📡 🛜

yterm. The terminal emulator of the 27th century

CowFiles. Philippe Majerus’s cowsay character files collection

ansi-art. C++ ANSI🔥Art Renderer

Crinkler. Crinkler is an executable file compressor (or rather, a compressing linker) for compressing small 32-bit Windows demoscene executables. As of 2026, it is the most widely used tool for compressing 1k/4k/8k intros.

DOjS. A MS-DOS Creative Coding IDE/platform based on JavaScript

DOStodon. MS-DOS Mastodon client

vite. Next generation frontend tooling. It's fast!

searchless_chess. Grandmaster-Level Chess Without Search

kv4p-ht. Open source handheld ham radio project KV4P-HT

vic. Trim videos in the terminal

cobe. A Markov chain based text generation library and MegaHAL style chatbot

GNNRank. Official code for the ICML2022 paper -- GNNRank: Learning Global Rankings from Pairwise Comparisons via Directed Graph Neural Networks

theattyr. A terminal theater for playing VT100 art and animations

sphinx-c-autodoc. Use C with sphinx.ext.autodoc

rawdrawandroid. Build android apps without any java, entirely in C and Make

godot-aseprite-wizard. Godot Editor plugin to help import Aseprite animations to AnimationPlayers, AnimatedSprites and SpriteFrames.