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.

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

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

The open-source container engine at the heart of Docker — a modular toolkit of runtime, build, and networking components for assembling container-based systems.

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.

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.

A high-performance, open-source time-series database built in C for IoT, connected vehicles, and industrial monitoring workloads, with built-in stream processing, caching, and data subscription.

AI-Native Distributed SQL Database for Agentic Workloads

Cloud-native, high-performance open-source API gateway for REST, GraphQL, gRPC, and TCP — built in Go since 2014 with no feature lockout.

The friendly open-source .NET CMS that gives developers full control over content, structure, and delivery without lock-in.

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

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

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.