All Open Source Apps

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

A high-performance, open-source time-series database built in C for IoT, connected vehicles, and industrial monitoring workloads, with built-in stream processing, caching, and data subscription.

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

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

A federated, ActivityPub-based video hosting platform built by Framasoft — self-hostable instances interconnect into a network with no vendor lock-in, P2P-assisted streaming, and no ads.

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.

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

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

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

Open source headless Node.js CMS for professional publishing, paid memberships, and newsletters with a fully owned audience.