Jakub Trąd

nix. Nix, the purely functional package manager

steel. An embedded scheme interpreter in Rust

mcp-context-forge. An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.

difftastic. a structural diff that understands syntax 🟥🟩

artifact-fs. ArtifactFS is a filesystem driver designed to mount large git repos as quickly as possible, hydrating file contents on-the-fly instead of blocking on the initial clone. It's ideal for agents, sandboxes, containers and other use-cases where startup time is critical.

hunk. Review-first terminal diff viewer for agentic coders

pi.nvim. Neovim plugin for pi coding agent

nixpkgs. Nix Packages collection & NixOS

caveman. 🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

markit. 🖍️ Convert anything to markdown. Mark it.

pi-studio. Extension for pi that opens local two-pane browser workspace for working with prompts, responses, Markdown/LaTeX/HTML documents, code files, and other common file types. Comment on and annotate responses and files, write, edit, and run prompts, browse prompt and response history, request critiques, and use live preview for code, Markdown/LaTeX/HTML

chat. A unified TypeScript SDK for building chat bots across Slack, Microsoft Teams, Google Chat, Discord, and more.

zeroclaw. Fast, small, and fully autonomous AI personal assistant infrastructure, any OS, any platform — deploy anywhere, swap anything 🦀

MonoSketch. An ASCII graph drawing app

purl. Rust

codex. Lightweight coding agent that runs in your terminal

pi. AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI

pr.nvim. Nvim plugin for reviewing PRs with side by side diffs, inline comments, and persistent review state.

karakeep. A self-hostable bookmark-everything app (links, notes and images) with AI-based automatic tagging and full text search

call-me. Minimal plugin that lets Claude Code call you on the phone.

tower-json-rpc. json rpc layers and macros

oasis.nvim. 🌵 A collection of 16 desert-inspired high contrast Neovim colorschemes. Let there be light in the desert and dark in the oasis.

sshfs.nvim. 📡 sshfs.nvim integrates with Neovim, using SSH and SSHFS to manage remote systems as if they were your local files.

IronCalc. Main engine of the IronCalc ecosystem

tempo. the blockchain for payments

pvc-reaper. A Kubernetes controller that automatically deletes PersistentVolumeClaims (PVCs) pointing to nodes that no longer exist. Built in Rust!

s5cmd. Parallel S3 and local filesystem execution tool.

Lemons.nvim. 🍋 My favorite colorscheme for my favorite editor. Dark and colorful (hopefully not too much)

world-id-protocol. Core protocol infrastructure and developer documentation for World ID.

taffy. A high performance rust-powered UI layout library

mapscii. 🗺 MapSCII is a Braille & ASCII world map renderer for your console - enter => telnet mapscii.me <= on Mac (brew install telnet) and Linux, connect with PuTTY on Windows

astroterm. A planetarium for your terminal! Explore stars, planets, constellations, and more, all rendered right in the command line—no telescope required. ✨🪐

nurikabe. Rule-based Nurikabe solver, with TUI. Looks for the easiest/most insightful way of making progress at any one step.

ignite. Infinite Red's battle-tested React Native project boilerplate, along with a CLI, component/model generators, and more! 9 years of continuous development and counting.

avian. ECS-driven 2D and 3D physics engine for the Bevy game engine.

BitNet. Official inference framework for 1-bit LLMs

context-maestro.nvim. A simple neovim plugin for building prompts for coding agents

sidekick.nvim. Your Neovim AI sidekick

hyperion. Minecraft game engine for massive custom events

markitdown. Python tool for converting files and office documents to Markdown.

wrkflw. Validate and Run GitHub Actions locally.

wezterm. A GPU-accelerated cross-platform terminal emulator and multiplexer written by @wez and implemented in Rust

vllm. A high-throughput and memory-efficient inference and serving engine for LLMs

maybe. The personal finance app for everyone

interactive-physarum. Physarum/organic simulations inspired by "36 Points". Interaction with gamepad for artistic installation. (using openFrameworks)

bitchat. bluetooth mesh chat, IRC vibes

container. A tool for creating and running Linux containers using lightweight virtual machines on a Mac. It is written in Swift, and optimized for Apple silicon.

mun. Source code for the Mun language and runtime.

vhs. Your CLI home video recorder 📼

computer-science. 🎓 Path to a free self-taught education in Computer Science!

divan. Fast and simple benchmarking for Rust projects

flashblocks-websocket-proxy. A websocket proxy for distributing Flashblocks

facet. Rust reflection, serialization, deserialization, pretty printing, etc. — the last proc macro you should need

whir. WHIR 🌪️: Reed–Solomon Proximity Testing with Super-Fast Verification

OpenDeepSearch. SOTA search powered LLM

provekit. Client side zero-knowledge proving.

jellyfin. The Free Software Media System - Server Backend & API

ai-agents-for-beginners. 12 Lessons to Get Started Building AI Agents

snacks.nvim. 🍿 A collection of QoL plugins for Neovim

nvim-treesitter-context. Show code context

nomt. Super-fast Merklized Embedded Key-Value Store for blockchain nodes

aider. aider is AI pair programming in your terminal

blockscout. Blockchain explorer for Ethereum based network and a tool for inspecting and analyzing EVM based blockchains.

optimism. Optimism is Ethereum, scaled.

lazy.nvim. 💤 A modern plugin manager for Neovim

LazyVim. Neovim config for the lazy

pbh-ctf. PBH CTF related code and docs

async-kartoffel. An asynchronous abstraction layer for kartoffels by Patryk27

cua. Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full desktops (macOS, Linux, Windows).

wild. A very fast linker for Linux

colobot. Source code of open-source Colobot: Gold Edition project developed by Epsitec and TerranovaTeam

gc-arena. Incremental garbage collection from safe Rust

iroh. IP addresses break, dial keys instead. A library that adds QUIC + NAT Traversal to your apps.

nushell. A new type of shell

perf-book. The book "Performance Analysis and Tuning on Modern CPU"

opcc. Rust

jank. jank is the native Clojure dialect with seamless C++ interop.

glance. A self-hosted dashboard that puts all your feeds in one place

solar. Blazingly fast, modular and contributor friendly Solidity compiler, written in Rust

linez. Approximate images usings lines

manim. Animation engine for explanatory math videos

vaultwarden. Unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs

piccolo. An experimental stackless Lua VM implemented in pure Rust

alexanderameye.github.io. Personal website.

stupidfs. More files per file: hide files by storing them in the metadata of other files

mari0. Mario + Portal platformer

runner2. The runner app for PatchKit launcher

rye. a Hassle-Free Python Experience

ghostty. 👻 Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platform-native UI and GPU acceleration.

yazi. 💥 Blazing fast terminal file manager written in Rust, based on async I/O.

cyphernetes. A Kubernetes Query Language

bon. Next-gen compile-time-checked builder generator, named function's arguments, and more!

helix. A post-modern modal text editor.

serpl. A simple terminal UI for search and replace, ala VS Code.

turso. Turso is an in-process SQL database, compatible with SQLite.

esp32-weather-epd. A low-power E-Paper weather display powered by an ESP32 microcontroller. Utilizes the OpenWeatherMap API.

audio-guestbook. The "audio guestbook" is a converted telephone handset that guests can use to leave recorded messages at weddings and parties

world-chain. World Chain monorepo

rebels-in-the-sky. P2P terminal game about spacepirates playing basketball across the galaxy

rust-kzg. Parallelized multi-backend KZG library for Ethereum Data Sharding (aka Proto-Danksharding, EIP-4844)

algebra. Libraries for finite field, elliptic curve, and polynomial arithmetic

nocode. The best way to write secure and reliable applications. Write nothing; deploy nowhere.

RogueLegacy1. Rogue Legacy Source Code

Pumpkin. Empowering everyone to host fast and efficient Minecraft servers.

bytemuck. A crate for mucking around with piles of bytes

ruint. Rust Uint crate using const-generics

zustand. 🐻 Bear necessities for state management in React

caddy. Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

units. Swift

wesplit. Swift

circom-witness-rs. Rust

epy. CLI Ebook (epub2, epub3, fb2, mobi) Reader

fish-speech. SOTA Open Source TTS

tigerbeetle. The financial transactions database designed for mission critical safety and performance.

ruff. An extremely fast Python linter and code formatter, written in Rust.

uv. An extremely fast Python package and project manager, written in Rust.

CellPond. surreal cellular automata

ratatui. A Rust crate for cooking up terminal user interfaces (TUIs) 👨‍🍳🐀 https://ratatui.rs

hurl. Hurl, run and test HTTP requests with plain text.

0xparc-intro-book. Introductory lecture notes on programmable cryptography

awesome-zero-knowledge-proofs. A curated list of awesome Zero-Knowledge Proofs (ZKP) resources.

kartoffels. a game where you're given a potato and your job is to implement a firmware for it

soldeer. Solidity Package Manager written in rust and integrated into Foundry (forge soldeer ...)

manim. A community-maintained Python framework for creating mathematical animations.

revmc. JIT and AOT compiler for the Ethereum Virtual Machine, built on Revm.

moodle. Moodle - the world's open source learning platform

core. An Emacs framework for the stubborn martian hacker

Maccy. Lightweight clipboard manager for macOS

provable-reth-primitives. Simple example for reth-primitives provable with risc0

LunarVim. 🌙 LunarVim is an IDE layer for Neovim. Completely free and community driven.

CADmium. A CAD program that runs in the browser

Rectangle. Move and resize windows on macOS with keyboard shortcuts and snap areas

kurtosis. A platform for packaging and launching blockchain infra. Think docker compose for blockchain

quill. Quill is a modern WYSIWYG editor built for compatibility and extensibility

engineering-management. A collection of inspiring resources related to engineering management and tech leadership

ostfs. Toy filesystem with support for zero-cost snapshots and clones

tinywasm. A Tiny Webassembly Runtime Written in Rust

cross. “Zero setup” cross compilation and “cross testing” of Rust crates

tummy. TypeScript

setup-rust-toolchain. Setup a specific Rust toolchain with extra features like problem matchers

GQL. GitQL is a extensible SQL-like query language and SDK to perform queries on various data sources such .git files with supports of most of SQL features such as grouping, ordering and aggregation and window functions and allow customization like user-defined types and functions

rust-toolchain-file. GitHub Action to install Rust's toolchain via rust-toolchain.toml

telemetry-batteries. Batteries included library to configure tracing, logs and metrics

orbital-mechanics-notes. Notes for Orbital Mechanics

how-does-overlay-injection-work-gic-2023-talk. Rust

ferrocene. Source code of Ferrocene, safety-critical Rust toolchain

uploadFile. TypeScript

skicka. Send files between machines - no installation required!

rapier. 2D and 3D physics engines focused on performance.

mise. dev tools, env vars, task runner

wit-bindgen. A language binding generator for WebAssembly interface types

wai. A language binding generator for `wai` (a precursor to WebAssembly interface types)

broot. A new way to see and navigate directory trees : https://dystroy.org/broot

kalker. Scientific calculator with math syntax that supports user-defined variables and functions, complex numbers, and estimation of derivatives and integrals

zellij. A terminal workspace with batteries included

myLibrary. Collect your finished books on the shelf

zig. Moved to Codeberg

astro. The web framework for content-driven websites. ⭐️ Star to support our work!

puffin. 🐦 Friendly little instrumentation profiler for Rust 🦀

rustfmt. Format Rust code

minecraft-shennanigans. Lua

inquire. A Rust library for building interactive prompts

heimdall-rs. Heimdall is an advanced EVM smart contract toolkit specializing in bytecode analysis and extracting information from unverified contracts.

tracing-indicatif. Tracing layer that automatically creates and manages progress bars for active spans.

chatgpt-at-home. Look Ma: My computer is talking!

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

advent2019_in_gnu_make. C

bevy. A refreshingly simple data-driven game engine built in Rust

strolle. Experimental real-time renderer with support for dynamic global illumination

HeroicGamesLauncher. A games launcher for GOG, Amazon and Epic Games for Linux, Windows and macOS.

ferris3d. A free 3D model of Ferris the rustacean

forma. An efficient vector-graphics renderer

bevy-hikari. A Realtime Path Tracer for Bevy.

doome. Doom + Cliché = Doomé

kajiya. 💡 Experimental real-time global illumination renderer 🦀

helios. A fast, secure, and portable multichain light client for Ethereum

foundry. Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

pixels. A tiny hardware-accelerated pixel frame buffer. 🦀

rast-jit-vm-simple. Simpler version of https://github.com/Patryk27/rast-jit-vm

pulldown-cmark. An efficient, reliable parser for CommonMark, a standard dialect of Markdown

Rust. All Algorithms implemented in Rust

thiserror. derive(Error) for struct and enum error types

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

serde. Serialization framework for Rust

fast_rsync. An optimized implementation of librsync in pure Rust.

immune. Rust

just. 🤖 Just a command runner

parcel. The zero configuration build tool for the web. 📦🚀

scrcpy. Display and control your Android device

printpdf. Rust / WASM library for reading, writing and rendering PDF

egui. egui: an easy-to-use immediate mode GUI in Rust that runs on both web and native

klask. Automatically create GUI applications from clap3 apps

hello-world.rs. 🚀Memory safe, blazing fast, configurable, minimal hello world written in rust(🚀) in a few lines of code with few(1247🚀) dependencies🚀

doku. fn(Code) -> Docs

thebookofshaders. Step-by-step guide through the abstract and complex universe of Fragment Shaders.

SHADERed. Lightweight, cross-platform & full-featured shader IDE

rust-gpu. 🐉 Making Rust a first-class language and ecosystem for GPU shaders 🚧

glslEditor. Simple WebGL Fragment Shader Editor

vscode-luna-paint. A raster image editor extension for VS Code

rhack. Temporary edit external crates that your project depends on