All Open Source Apps

Self-hosted, open-source DocuSign alternative with legally binding PDF signatures, multi-party workflows, and a full REST and tRPC API.

Build, debug, and deploy knowledge-based AI agents with a visual workflow editor, RAG retrieval, and support for any OpenAI-compatible LLM.

Open-source experience management platform for in-app, website, email, and link surveys — privacy-first and fully self-hostable.

No-code, open-source game engine for building 2D, 3D and multiplayer games — publish to iOS, Android, Steam and the web.

Track your stocks, ETFs, and crypto with a privacy-first, self-hostable wealth management platform built for data-driven investors.

The privacy-first, open-source note-taking app with end-to-end encrypted sync, AI assistance, and a powerful plugin ecosystem across every platform.

Label Studio is an open-source, multi-type data labeling platform that lets teams annotate images, text, audio, video, and time series data with a configurable XML-based UI and export annotations in formats ready for any ML framework.

Unite every major AI model in one self-hosted chat platform with agents, code execution, MCP tools, and enterprise authentication.

The open-source Looker alternative that turns your dbt project's metrics and dimensions into governed, self-serve charts and dashboards — no license key required.

An open-source, FHIR-native healthcare platform that gives developers a compliant backend, authentication, a React component library, and serverless bots to build clinical applications in weeks instead of years.

Manage Nginx reverse proxies and free Let's Encrypt SSL through a beautiful web interface — no Nginx expertise required.

Open-source communication infrastructure that connects your products and AI agents to every channel your users live on — Inbox, Email, SMS, Push, Chat, and more.

A lightweight, open-source web UI that puts Docker, Kubernetes, and Podman management within reach of any team—no CLI expertise required.

Open-source headless CMS that auto-generates REST and GraphQL APIs from your content models, with a fully customizable admin panel you control.

Open source end-to-end encrypted messaging for teams and enterprises — self-host for complete control over your communications and data.

Open-source AI automation platform that converts 280+ workflow integrations into MCP servers for LLMs, with no-code builders and TypeScript extensibility.

Open-source backend platform with Auth, Databases, Storage, Functions, Messaging, Realtime, and Sites — deploy via Docker or use Appwrite Cloud.

Build AI agents, automations, and internal apps on a single open-source platform with full self-hosting control.

Visual LLM workflow platform with RAG pipelines, agent capabilities, and model management for building production AI applications.

Open source feature flags, A/B testing, and warehouse-native experimentation that queries your existing data infrastructure—no data movement required.

A lightweight, offline-capable API development ecosystem for testing HTTP, GraphQL, WebSocket, MQTT, and SSE endpoints across web, desktop, and CLI.

Open source AI engineering platform for LLM observability, prompt management, evaluation, and debugging — self-host in minutes or use Langfuse Cloud.

Your Chief Agent Operator — build, schedule, and collaborate with an entire AI team in one self-hostable workspace.

The open source operating system and SDK that lets developers build one app and run it across smart glasses from Even Realities, Vuzix, Mentra Live, and more.