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-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.

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

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.

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

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

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.

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

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

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.

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.

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

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.

Complete open-source HRMS for employee lifecycle, attendance, payroll, and performance — built on Frappe Framework with a mobile PWA.

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

The self-hosted Identity Provider that replaces Okta, Auth0, and Entra ID with a unified SSO platform supporting SAML, OAuth2/OIDC, LDAP, RADIUS, and WebAuthn.