All Open Source Apps

Open-source online accounting for small businesses and freelancers — invoices, expenses, and reporting without monthly fees or vendor lock-in.

Your open source window into the Elastic Stack — query, visualize, and act on data stored in Elasticsearch with real-time dashboards, AI-assisted search, and automated alerting.

The world's largest open source marketing automation platform — own your data, run multi-channel campaigns, and escape vendor lock-in forever.

Transform OpenAPI specifications into interactive, browser-based API documentation that developers and consumers can explore and test live.

Open-source CRM platform with metadata-driven customization, field-level permissions, and a full REST API — deploy on your own infrastructure.

Self-hostable invoicing, time-tracking, and multi-gateway payment platform for freelancers and small businesses, with built-in e-invoicing compliance for EU and global standards.

The open source AI engineering platform for debugging, evaluating, monitoring, and optimizing production LLMs and agents at scale.

Modern Node.js forum software with real-time WebSockets, multi-database support, and a plugin ecosystem — the community platform built for the open web and the Fediverse.

Self-hosted Backend-as-a-Service for Node.js with REST, GraphQL, real-time Live Query, cloud code, and pluggable adapters for any infrastructure.

A federated, ActivityPub-based video hosting platform built by Framasoft — self-hostable instances interconnect into a network with no vendor lock-in, P2P-assisted streaming, and no ads.

Define, schedule, and monitor complex data workflows as Python code — with a powerful UI, 80+ provider integrations, and battle-tested scalability across thousands of production deployments.

Privacy-first, self-hosted analytics and customer engagement platform with full data ownership, GDPR compliance, and AI-powered insights across mobile, web, desktop, and IoT.

A developer-first PHP CMS with clean-slate content modeling, auto-generated GraphQL API, and a four-tier edition system that scales from solo projects to enterprise deployments.

Distributed SQL database for real-time analytics at scale

A polished, self-hostable Matrix client for secure, decentralized messaging and collaboration that puts your organization in full control of its data.

100% free, open-source ERP unifying accounting, manufacturing, inventory, CRM, HR, and POS in a single self-hostable platform.

Open source headless Node.js CMS for professional publishing, paid memberships, and newsletters with a fully owned audience.

Open-source, end-to-end encrypted video conferencing you can self-host or embed into any web or mobile app.

Open core, self-hosted team collaboration with chat, AI agents, voice calling, and deep DevOps integrations — all under your control.

The open source project management platform that unifies Gantt charts, agile boards, time tracking, and team collaboration under full self-hosted control.

The secure, self-hosted team communications platform for organizations that cannot compromise on data sovereignty.

Topic-based team chat that brings the structure of email threads to real-time messaging, so distributed teams never lose context across hundreds of concurrent conversations.

Open-source ELT platform with 600+ connectors for moving data from any source to warehouses, lakes, and AI agents.

The open-source hub for building and deploying LLM-powered AI agents with TypeScript-first tooling, 40+ integrations, and a revolutionary code-execution agent framework.