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 open-source container engine at the heart of Docker — a modular toolkit of runtime, build, and networking components for assembling container-based systems.

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

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

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.

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.

Self-hosted Backend-as-a-Service for Node.js with REST, GraphQL, real-time Live Query, cloud code, and pluggable adapters for any infrastructure.

AI-Native Distributed SQL Database for Agentic Workloads

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

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.

The most popular Kubernetes-native workflow engine for orchestrating containerized DAGs, ML pipelines, CI/CD, and parallel batch jobs at scale.

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

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

Open-source alerting engine that connects to any time-series or log data source and routes alarms to 20+ notification channels with AI-assisted triage.

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.

Self-hosted personal cloud platform that unifies your files, apps, and devices in one private space you fully control.

A fast reverse proxy that exposes local servers behind NAT or firewalls to the public internet with multi-protocol support.