All Open Source Apps

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

Your open source window into the Elastic Stack — query, visualize, and act on data stored in Elasticsearch with real-time dashboards, AI-assisted search, and automated alerting.

The world's largest open source marketing automation platform — own your data, run multi-channel campaigns, and escape vendor lock-in forever.

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.

Cloud-native, high-performance open-source API gateway for REST, GraphQL, gRPC, and TCP — built in Go since 2014 with no feature lockout.

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.

Open core, self-hosted team collaboration with chat, AI agents, voice calling, and deep DevOps integrations — all under your control.

The secure, self-hosted team communications platform for organizations that cannot compromise on data sovereignty.

Open-source ELT platform with 600+ connectors for moving data from any source to warehouses, lakes, and AI agents.

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

The open-source BI platform that lets anyone ask questions and build dashboards without writing SQL — with an embedded analytics SDK and AI-powered query assistant included.

Code when you need it, UI when you don't — the workflow automation platform built for technical teams who refuse to choose.

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

The 100% MIT-licensed, community-driven scheduling platform — self-host your own booking infrastructure with no enterprise strings attached.

Build product integrations with AI using 800+ APIs — auth, proxy, and TypeScript functions on production-grade infrastructure.

Open-source AI + no-code platform that lets coding agents and people collaborate to build business systems fast on proven infrastructure.

Build sophisticated chatbots visually, embed them anywhere without iframes, and own your data — fully self-hostable with a modular block system and 30+ 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.

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

Self-hosted, open-source password management backend with zero-knowledge encryption and enterprise-grade identity services

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

Connect any SQL database and get instant REST and GraphQL APIs, a visual management Studio, and a native MCP server for AI agents — free for most organizations.

Build, debug, and deploy knowledge-based AI agents with a visual workflow editor, RAG retrieval, and support for any OpenAI-compatible LLM.