All Open Source Apps

A fully featured open-source mail delivery platform for sending and receiving email at scale — your own Mailgun, on your own servers.

Collaborate on high-quality AI training data with a self-hosted annotation platform built for LLMs, NLP, and multimodal models.

An Apple-Silicon-native LoRA fine-tuning tool for Gemma on text, image, and audio data — with a wizard CLI, live browser-based training visualizer, and streaming from GCS/BigQuery for datasets too large for local disk.

Single-executable pixel art editor that starts instantly with no accounts, no setup, and no internet required.

Rasa Open Source is a Python machine learning framework for building contextual, multi-turn chatbots and voice assistants that understand natural language and maintain conversation state.

A self-hostable AI second brain that chats with your documents, searches the web, builds custom agents, and runs entirely on your own LLM.

Self-hosted private cloud storage with AI semantic search and a pluggable multi-backend file management system.

Federated AI search and RAG across 100+ enterprise sources—no data extraction, no vector database required.

Real-time NVIDIA GPU monitoring dashboard — self-hosted, scale from 1 to 100+ GPUs with sub-second metrics and no cloud dependency.

Morphik is an AI-native ingestion and retrieval engine that lets developers store, search, and reason over visually rich documents — scanned PDFs, manuals, slides, and video — without duct-taping together OCR, an embedding model, and a vector database.

A visual and textual programming platform for data prep and analysis where the node graph and the underlying Enso code are always perfectly in sync, built by an Alteryx co-founder on a GraalVM engine.

A fully local web research assistant that iteratively searches, summarizes, and refines markdown reports using any Ollama or LMStudio model—no cloud or API keys required.

High-performance, S3-compatible object storage built for AI/ML and analytics workloads — run it anywhere from a laptop to a petabyte-scale cluster.

Unified open-source APM that collects OpenTelemetry traces, metrics, and logs into a single self-hosted platform backed by ClickHouse.

A free, full-featured web-based audio and waveform editor that runs entirely in the browser — no plugins, no installs, just open and edit.

Build autonomous and human-in-the-loop multi-agent AI systems with a layered, event-driven Python and .NET framework pioneered at Microsoft Research.

Computer-vision powered Python framework for building RPA bots that click, type, and read any desktop, web, or terminal UI without needing an API.

An open-source MongoDB alternative that translates wire protocol queries to SQL and stores documents in PostgreSQL

A next-generation Kubernetes package manager with a GUI, CLI, and native GitOps integration that makes deploying cluster workloads 20x faster than Helm.

Self-hosted email server and marketing platform that gives you unlimited sending, full deliverability control, and AI-assisted campaigns without monthly fees.

Self-hostable personal finance app that gives you full ownership of your financial data with a clean, minimal Rails-powered interface.

An MCP server that plugs AI agents into 85+ real-time crypto and finance news feeds, complete with AI impact scores, trading signals, and live WebSocket updates.

Your simple, elegant personal cloud OS for home data and apps

Kubernetes-native serverless platform that generates instant GraphQL and REST APIs for any database with built-in auth and real-time subscriptions