All Open Source Apps

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

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.

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.

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

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

Open-source omnichannel customer support platform with AI-powered agents, live chat, and self-hosting — a full Intercom and Zendesk alternative.

Open-source column-oriented database that delivers real-time analytical queries on petabyte-scale data with millisecond latency.

Run your own federated social network on the open ActivityPub standard with no ads, no algorithms, and no corporate control over your community.

Open-source, privacy-first web and app analytics that puts you in complete control of your data.

Your own private cloud: self-hosted file sync, collaboration, and communication with no vendor lock-in.

Open-source BI tool with drag-and-drop dashboards, 20+ data source connectors, and AI-powered natural language queries — a self-hosted alternative to Tableau.

Event-driven orchestration platform for data, AI, and infrastructure workflows — define everything in YAML, run anywhere at scale.

Professional open-source time tracking with invoicing, multi-user support, SAML/LDAP auth, and a full REST API—self-host it or use the cloud.

Open-source AI-native platform to build and deploy internal tools, workflows, and AI agents with a visual drag-and-drop builder and 80+ data source integrations.

Run your own help desk and shared inbox — a fully self-hosted, open-source alternative to Zendesk and Help Scout with no per-agent fees.

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

Free, MIT-licensed 2D and 3D game engine with one-click multi-platform export and no royalties.

Self-hosted read-it-later app that saves clean, ad-free articles from any webpage for distraction-free reading across all your devices.