All Open Source Apps

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.

Open source invoicing and billing platform for freelancers and small businesses — create estimates, track expenses, accept Stripe payments, and run recurring invoices from your own server.

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.

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

Baidu's open-source OCR model for "one-shot, long-horizon parsing" — published with an arXiv paper, a Hugging Face model release, and vLLM inference support, aimed at document understanding beyond typical page-by-page OCR limits.

Self-hosted, no-code workflow automation that keeps your data on your own servers—a privacy-first alternative to Zapier with 90+ integrations.

An open-source build system that turns written specs and architecture into working code — an LLM generates code under tight constraints, task by task with narrow context windows, instead of attempting an entire codebase at once.

An open-source, terminal-based AI coding agent built for large tasks and real codebases — with its own version control for plans, a 2M-token effective context window, and self-hosted or cloud deployment.

A simple, self-hosted website analytics tool built with Go and Preact that lets you understand your traffic without handing data to third parties.

Self-hosted email marketing with full data control, multi-workspace isolation, and seamless integration with Amazon SES, SendGrid, Mailgun, and more

A local, multi-provider AI coding agent with a real desktop and web UI — bring your own Anthropic, OpenAI, Gemini, Bedrock, or local Ollama keys and let it read, edit, and run code in your own project folder.

Self-hosted form backend for static sites — one Go binary, one SQLite file, with spam quarantine, waitlists, webhooks, and email notifications.

A Google Zanzibar-inspired authorization service for defining, checking, and auditing fine-grained access control across your applications.

A temporal code knowledge graph with blast-radius impact scoring, semantic symbol search, and git-history-aware dependency analysis for AI-assisted development — zero required runtime dependencies, SQLite-backed.

An AI-powered personal news aggregator that filters multi-source feeds through LLMs and delivers curated, noise-free summaries to your Notion workspace.

Self-hosted, open-source Vercel alternative that deploys Python, Node.js, PHP, and any Docker-compatible app from a Git push, with zero-downtime rollouts and real-time logs.

A privacy-first desktop AI assistant that sees your screen, hears your meetings, and turns live context into structured summaries—without sending a single byte to the cloud.

Record live API traffic and replay it as deterministic, sandboxed tests, plus AI code review and unit test generation, all from one Go CLI built by YC W2024's Use-Tusk.

Self-hosted SEO auditing that crawls your entire website and surfaces critical issues — broken links, duplicate meta tags, redirect loops, and more — before they hurt your rankings.

Find and analyze a person's digital footprint across 1000+ social media platforms using multi-layer detection, OCR, and metadata extraction.

Train a locally hosted AI twin on your own memories—then connect it to the world through a decentralized identity network.