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A self-hosted Markdown notebook with collaboration, search, and note history.

Collect OpenTelemetry traces, metrics, and logs in a hosted or self-managed observability platform.

A free project time tracker that starts without an account and can also run on infrastructure you control.

Organize self-hosted documentation in a hierarchy of books, chapters, and pages.

Sentry-SDK-compatible error monitoring, available hosted or self-hosted.

Campaign wikis, adventure logs and scheduling

A self-hosted business messenger with private and group messages, presence, reactions, and file sharing.

A self-hosted chat bundle with direct and group messaging, calls, file sharing, bots, and moderation.

Correlate network, server, application, database, and cloud signals in a customer-operated hybrid IT observability platform.

Open-source workout routines and fitness logging with a self-hosting option

Build a hierarchical personal knowledge base locally or on a self-hosted server.

Keep encrypted workplace messaging on a self-hosted XMPP server.

A local-first Markdown note app with an optional self-hosted encrypted sync server.

Plan a week of work on a local-first timeline with projects, offline access, and self-hosting.

Use channel-based team chat with open-source hosting and no per-seat charge.

Turn product usage into invoices with hosted or self-managed billing

A self-hostable team messenger with channels, threads, direct messages, search, and file sharing.

Store and query observability telemetry in a columnar data lake with SQL and PromQL.

Keep asynchronous team conversations organized by channel and named topic.

Manage client billing in the cloud or on your own server

An open-source academic notebook that brings Markdown notes, PDF annotations, and literature management together.

Build, test, and deploy applications on Windows, Linux, or macOS build machines.

Plan agile work with Scrum and Kanban boards in an open-source, self-hosted tool.

Self-hosted team messenger with chat, meetings, screen sharing, and a free small-team license.