All Open Source Apps

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

Self-hosted Backend-as-a-Service for Node.js with REST, GraphQL, real-time Live Query, cloud code, and pluggable adapters for any 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 world's largest open source marketing automation platform — own your data, run multi-channel campaigns, and escape vendor lock-in forever.

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.

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

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

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

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.

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

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.

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.

A free and open source football management simulation game built with Rust and Tauri, inspired by Football Manager.

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.

High-performance, multiplayer code editor built in Rust by the creators of Atom and Tree-sitter, with native AI integration and real-time collaboration.

Open-source Laravel eCommerce platform for building multi-vendor marketplaces, B2B stores, headless commerce, and AI-powered storefronts.

Open-source enterprise data warehouse unifying analytics, vector search, full-text search, and AI agent orchestration in a single Rust-built engine on S3.

Modular open-source logistics and supply chain operating system