Kai A. Hartung

Kai A. Hartung

Immich

Immich

The ultimate self-hosted alternative to Google Photos. Offers automatic mobile backup, facial recognition, and a high-performance web/mobile UI for your personal media library.

SigNoz

SigNoz

A unified, open-source observability platform native to OpenTelemetry. It combines metrics, logs, and traces in a single pane of glass, offering a high-performance alternative to DataDog.

Mattermost

Mattermost

A secure, self-hostable, open-source communication platform designed for enterprises that prioritize data sovereignty and require a private alternative to [SaaS](/resource/deployment-saas) chat solutions.

Docmost

Docmost

An open-source, self-hosted alternative to Notion and Confluence, providing real-time collaborative documentation and wikis with complete data sovereignty.

Keycloak

Keycloak

The open-source standard for Identity and Access Management (IAM), offering complete sovereignty over user data, federation, and SSO infrastructure without per-user licensing costs.

Zitadel

Zitadel

An open-source, API-first identity infrastructure platform for multi-tenant authentication and authorization, providing an alternative to Auth0 or Firebase.

Coolify

Coolify

An open-source, self-hostable platform-as-a-service (PaaS) that simplifies the deployment and management of web applications and databases.

OpenBao

OpenBao

A community-driven, open-source fork of HashiCorp Vault, providing secure secrets management for all environments.

Cline

Cline

An autonomous coding agent that integrates into your IDE to edit files, run terminal commands, and debug code with human-in-the-loop control.

Dify

Dify

An open-source LLM app development platform for orchestrating RAG pipelines, agents, and complex workflows with a visual interface.

Zammad

Zammad

A modern, fully open-source helpdesk and customer support system that unifies email, chat, and social channels into a single interface.

Penpot

Penpot

The first open-source design and prototyping platform for product teams that bridges the gap between design and code, built with open web standards.

Open WebUI

Open WebUI

A feature-rich, self-hosted web interface for LLMs (Ollama, OpenAI). Includes RAG, RBAC, and full offline capability for enterprise privacy.

OpenCode

OpenCode

The 'Terminal Renaissance' for sovereign development. An open-source AI coding agent that integrates with your local environment and LSP.

Ambie

Ambie

A beautiful, open-source ambient sound and focus timer application designed to boost productivity and reduce distractions during deep work sessions.