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.

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.

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.

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.

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.

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

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

Open-source self-hosted PaaS — deploy apps, databases and 280+ services on your own servers with no vendor lock-in

Generate self-destructing single-use links to share passwords and sensitive data without leaving traces in inboxes or chat logs.

Free, open-source Laravel & Vue.js CRM for SMEs and enterprises to manage the complete customer lifecycle.

Self-hosted, end-to-end encrypted password manager API built for teams who demand full ownership of their credentials.

A decentralized, self-hosted photo sharing platform built on ActivityPub for the open Fediverse.

Open-source headless eCommerce platform with a REST API, TypeScript SDK, and Next.js storefront for B2B, cross-border, and marketplace commerce — no vendor lock-in, no platform fees.

Project management built for ADHD, autism, and dyslexia — simple as Trello, powerful as Jira

Open-source community platform with dynamic trust levels, real-time chat, and a powerful plugin architecture for self-hosted forums.

A fast, free, and focused Kanban tool from 37signals that strips away corporate bloat to help teams track bugs, issues, and ideas with clarity.

Self-hosted event ticketing platform that keeps your attendee data, brand, and revenue completely under your control.