Tobi Lütke @tobi ↗

Hardware-pinned, verified recipes for serving large open-weight LLMs. Every number has a method.

SoL-Pi: Scaling Auto-Research Loops for Efficient Agent Harnesses

UI components for Omarchy system style

Powerful web graphics runtime built on WebGL, WebGPU, WebXR and glTF

A focused launcher for your desktop - native, fast, extensible

Offline-first SQL sync with Typescript and Rust cores

AI-first knowledge base and startup OS

A slide framework built for agents.

A zero-copy, read-only view into a Ruby String, implemented as a C extension

Local-first Maildir-inspired work mailstore for software agents

The database that is a log, and all operations are `fold(log)`.

the runtime your coding agents live on

A better /goal for Codex and Claude Code

CLI that turns plain numbers into terminal charts. ascii, spark, bars, columns, heatmap, unicode, braille, svg.

Ruby AOT compiler

Self-hosted, semantically-connected personal knowledge base

Garry's Opinionated OpenClaw/Hermes Agent Brain

jjui is a TUI designed for interacting with the Jujutsu version control system.

Minimal agent loop in bash. Pure state follower core with plugin-based tools, hooks, providers, and commands. Dependencies: bash 4+, jq, curl.

🤫 AI-native secrets manager. Agents use secrets without seeing them.

🪨 why use many token when few token do trick. Viral skill + proxy for coding agents that cuts 65% of tokens by talking like a caveman.

Deploy an AI-generated backend for every user.

The Open Standard for Generative UI

Record scripted browser demos as video

The open-source app everyone uses to manage agents at work

pi coding agent in a technicolor web trenchcoat

TinyAGI is the agent teams orchestrator for One Person Company. (fka TinyClaw)

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

A sliding, tiling window manager for MacOS.

mini cli search engine for your docs, knowledge bases, meeting notes, whatever. Tracking current sota approaches while being all local

Various ML tidbits in Python/PyTorch and C++

Open source implementation and extension of Google Research’s PaperBanana for automated academic figures, diagrams, and research visuals, expanded to new domains like slide generation.

Textream is a free macOS teleprompter app for streamers, interviewers, and presenters. It highlights your script in real-time as you speak, displayed in a beautiful Dynamic Island overlay. With extensible features.

A secure Python sandbox, written in Rust, for code written by AI.

Easy Linux virtual machine on MacOS to sandbox LLM agents.

A sleek, customizable desktop shell crafted for Wayland.

Electron shell for mrmd - Zen Markdown Editor with real-time collaboration

A tiny experimental language designed to be targeted by coding LLMs

Algorithm powering the For You feed on X

General plug-and-play inference library for Recursive Language Models (RLMs), supporting various sandboxes.

TiXL is an open source software to create realtime motion graphics.

🐹 Keep your Mac clean, light, and running like new. Fast open-source CLI, plus a native Mac app.

my windows setup

Local first semantic and hybrid BM25 grep / search tool for use by AI and humans!

A plain text-based spaced repetition system.

Ghostty for the web with xterm.js API compatibility

Use mkslides to easily turn markdown files into beautiful slides using the power of Reveal.js!

A fast and powerful log viewer and processor that converts JSON logs or logfmt logs into a clear human-readable format.

An open source cybersecurity protocol for syncing decentralized graph data.

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with small models for free

The SQL IDE for Your Terminal. Now with hsql, your agent's favorite sql client.

Rust GUI components for building fantastic cross-platform desktop application by using GPUI.

A graph node engine and editor written in Javascript similar to PD or UDK Blueprints, comes with its own editor in HTML5 Canvas2D. The engine can run client side or server side using Node. It allows to export graphs as JSONs to be included in applications independently.

A full-stack, syncing database that runs on both server and client. Pluggable storage (indexeddb, sqlite, durable objects), syncs over websockets, and works with your favorite framework (React, Solid, Vue, Svelte).

The most minimal cross-platform GUI library

`timep` is an efficient and accurate state-of-the-art trap-based profiler and flamegraph generator for bash code. `timep` does much more than "providing per-command execution times" -- it maps the full call-stack tree for the bash code being profiled, and (optionally) uses that call-stack tree to generate a FlameGraph of the profiled bash commands!

Open Source Data Security Platform for Developers to Monitor and Detect PII, Anonymize Production Data and Sync it across environments.

Stacked Pull Requests on GitHub

fresh directories for every vibe

Things to share

The markdown editor that's just a textarea https://overtype.dev

Desktop shell for wayland compositors built with Quickshell & GO, optimized for niri, hyprland, sway, MangoWC, labwc, and MiracleWM.

The open source coding agent.

Local-first Apple Health MCP server. Lets AI assistants answer questions about your sleep, workouts, activity and heart data from a local export.

OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.

Get 10X more out of Claude Code, Codex or any coding agent

A scrollable-tiling Wayland compositor.

Fork of the Gleam compiler providing a Nix backend, compiling Gleam to Nix

Uv2nix - Ingest uv workspaces using Nix [maintainer=@adisbladis]

Push docker images directly to remote servers without an external registry

Modular CSS Library that brings the beauty of Terminal UIs to the browser

Vui Nano — a small, context-aware text-to-speech model trained on real conversations. 219M active params (305M total), Apache 2.0, voice cloning, streaming, runs on CPU (dependency-free C build). Ships with a full real-time voice assistant: WebRTC, ASR, local LLM, OpenAI Realtime API compatible.

The programming language for agents

Sample code that explores an architecture for using language models to build a personal agent that can work with application agents.

Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.

Structured AI workflows made easy

Min.js Style Compression of Tech Docs for LLM Context

Distributed, offline-first bug tracker integrated in git

HelixDB is an OLTP graph database with native vector and full-text search built in Rust on Object Storage.

Open source Granola AI Alternative

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

✨ Build a machine learning model from a prompt

A powerful AI coding agent. Built for the terminal.

MCP server that interacts with Obsidian via the Obsidian rest API community plugin

FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit, Same.dev, Trae, Traycer AI, VSCode Agent, Warp.dev, Windsurf, Xcode, Z.ai Code, Dia & v0. (And other Open Sourced) System Prompts, Internal Tools & AI Models

Performance Optimizer Observation Platform

Cloud-native OSS search engine for observability

Memory and context engine + app that is extremely fast, scalable, and can be run fully locally. The Memory API for the AI era.

An open-source remote desktop application designed for self-hosting, as an alternative to TeamViewer.

Scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for training, evaluation, and data generation.

The Ruby-native AI framework. Chats, agents, tools, images, audio, and video through one consistent API, in plain Ruby or Rails.

Fast BM25 search in Python, powered by Numpy and Numba

A powerful document AI question-answering tool that connects to your local Ollama models. Create, manage, and interact with RAG systems for all your document needs.

YC (S26) | Open Computer History | Continuously record your company computer work, map your workflows, help you find work worth automating, and power your agents' context

Agentic BI. Analytics at the speed of code ⚡️

🪄 Data Formulator is an interactive AI-powered data analysis system makes it easy to connect, explore and visualize data.

World's first AI meeting copilot → The Invisible Companion for Work + Life

Apache Hamilton helps data scientists and engineers define testable, modular, self-documenting dataflows, that encode lineage/tracing and metadata. Runs and scales everywhere python does.

Production-grade Rust-native trading engine with deterministic event-driven architecture

A system for agentic LLM-powered data processing and ETL

🤖 A functional, immutable Finite State Machine library

Generate any location from the real world in Minecraft with a high level of detail.

A visual playground for agentic workflows: Iterate over your agents 10x faster

📊 Python APIs for Web Automation, E2E Testing, and Data Scraping. CDP Mode bypasses bot-detection and handles CAPTCHAs. Includes a Stealth mode for Playwright.

Scan and fix React performance issues

Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. Don't be shy, join here: https://discord.com/invite/NAb6H3UTjK :)

🥤 RAGLite is a Python toolkit for Retrieval-Augmented Generation (RAG) with DuckDB or PostgreSQL

AI chat assistant for Obsidian with contextual awareness, smart writing assistance, and one-click edits. Features vault-aware conversations, semantic search, and local model support.

😱 Falsehoods Programmers Believe in

🛡️ Open-source and cloud-native Web Application Firewall (WAF)

The SOTA Open-Source Browser Agent for autonomously performing complex tasks on the web

A new local-first, privacy-focused and open-source home for your markdown notes

The fastest path to AI-powered full stack observability, even for lean teams.

RAG that intelligently adapts to your use case, data, and queries

bpftune uses BPF to auto-tune Linux systems

🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.

Community-driven, simple, yet powerful framework for fast, cost-effective distributed Compute over Data.

A unified orchestration layer for heterogeneous AI compute. It standardizes how to manage compute and run training and inference on GPU clouds, Kubernetes, VMs, or bare-metal clusters.

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

The modern API client that lives in your terminal.

Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key.

A toolkit to create optimal Production-readyRetrieval Augmented Generation(RAG) setup for your data

A language model programming library.

Ruby gem for working with io_uring

A beautiful, private, local-first personal finance tracker. Investments, net worth, spending, and simulations.

Build Real-Time Knowledge Graphs for AI Agents

An open-source RAG-based tool for chatting with your documents.

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

🔥 GUI client for gRPC/gRPC-Web

An incredibly simple, open-source alternative to Loom that only requires S3-compatible storage—no servers needed

Time series Timeseries Deep Learning Machine Learning Python Pytorch fastai | State-of-the-art Deep Learning library for Time Series and Sequences in Pytorch / fastai

ALIEN is a CUDA-powered artificial life simulation program.

Cost monitoring for Kubernetes workloads and cloud costs

Desktop app for digital journaling.

real time face swap and one-click video deepfake with only a single image

A SQLite extension for generating text embeddings from GGUF models using llama.cpp

The repository provides code for running inference with the Meta Segment Anything Model 2 (SAM 2), links for downloading the trained model checkpoints, and example notebooks that show how to use the model.

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

grep for words with similar meaning to the query

Agentic components of the Llama Stack APIs

The open-source visual AI programming environment and TypeScript library

DOM to Semantic-Markdown for use with LLMs

Local-first platform and TypeScript library

Note taking with super powers

GraphRAG using Local LLMs - Features robust API and multiple apps for Indexing/Prompt Tuning/Query/Chat/Visualizing/Etc. This is meant to be the ultimate GraphRAG/KG local LLM app.

Repository hosting code for "Actions Speak Louder than Words: Trillion-Parameter Sequential Transducers for Generative Recommendations" (https://arxiv.org/abs/2402.17152).

JuiceFS is a distributed POSIX file system built on top of Redis and S3.

Bring portraits to life!

A modular graph-based Retrieval-Augmented Generation (RAG) system

Devon: An open-source pair programmer

Ingest, parse, and optimize any data format ➡️ from documents to multimedia ➡️ for enhanced compatibility with GenAI frameworks

Supercharge your AI agents with data from the web and beyond. Building the library for superintelligence. 🔥

A port of Hydrogen's default template to Shopify OS 2.0

Window management made elegant.

AICI: Prompts as (Wasm) Programs

sd3 dreambooth lora training book, adapted from the diffusers doc

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

An application for running LLMs locally on your device, with your documents, facilitating detailed citations in generated responses.

Think tmux, then aim... lower

Implementation for MatMul-free LM.

A fast inference library for running LLMs locally on modern consumer-class GPUs

LSP-AI is an open-source language server that serves as a backend for AI-powered functionality, designed to assist and empower software engineers, not replace them.

AeroSpace is an i3-like tiling window manager for macOS

Unix command line queue utility

Collection of custom elements that appear hand drawn. Great for wireframes or a fun look.

The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol

Text Synchronization libraries over Braid-HTTP

Effortless binary manager

The Enterprise-Grade Multi-Agent Orchestration Framework. Website: https://swarms.ai

A MIT-licensed, deployable starter kit for building and customizing your own version of AI town - a virtual town where AI characters live, chat and socialize.

💎 Amber the programming language compiled to Bash/Ksh/Zsh

Wrangling Untrusted File Formats Safely

AI compatibility without compromises.

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

A vector search SQLite extension that runs anywhere!

🔧 pyinfra turns Python code into shell commands and runs them on your servers. Execute ad-hoc commands and write declarative operations. Target SSH servers, local machine and Docker containers. Fast and scales from one server to thousands.

Atlas lets you explore your Apple Health data

An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间，让人与智能体在此协作

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.

The official Meta Llama 3 GitHub site

Official inference library for pre-processing of Mistral models

open-source coding agent

LLocalSearch is a completely locally running search aggregator using LLM Agents. The user can ask a question and the system will use a chain of LLMs to find the answer. The user can see the progress of the agents and the final answer. No OpenAI or Google API keys are needed.

Open source AI coding agent. Designed for large projects and real world tasks.

Git at scale platform

Zero-Shot Speech Editing and Text-to-Speech in the Wild

DSPy: The framework for programming—not prompting—language models