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.

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.

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

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.

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

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

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.

Auto-magical MLOps platform that tracks experiments, versions data, orchestrates pipelines, and serves models with just two lines of code.

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

Developer-first error tracking and performance monitoring platform with AI-powered root-cause analysis across 20+ languages and frameworks.

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

Continuous localization platform that commits translations directly into your version control system with full translator attribution.

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.

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

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

Build, run, and manage agent platforms with a full production stack — SDK, runtime, and control plane included.

Build, deploy, and run autonomous AI agents that automate complex multi-step workflows using a visual block-based graph editor.