Open-source projects built with PostgreSQL

n8n

A source-available workflow automation tool with a visual editor, code steps and a large integration library.

Open WebUI

A self-hosted AI chat interface for local and cloud models, with multi-user access control.

Immich

A self-hosted photo and video manager with mobile apps that back up media from your phone to your own server.

Supabase

A Postgres-based backend platform that bundles a database, auth, auto-generated APIs, storage, realtime and edge functions, available hosted or self-hosted.

Uptime Kuma

A self-hosted monitoring tool that checks websites and services and sends alerts and status pages.

Grafana

A dashboard and visualization tool that queries many data sources such as Prometheus, with a commercial Enterprise edition and a hosted Grafana Cloud.

Apache Superset

An open-source data exploration and visualization platform for building charts and dashboards over SQL databases, run by the Apache Software Foundation.

Strapi

A headless CMS written in JavaScript/TypeScript that you self-host, with a configurable admin panel and REST and GraphQL APIs.

AnythingLLM

An app for chatting with your documents using any LLM and vector database, available as a desktop app or a multi-user Docker server.

Coolify

A platform for deploying applications, databases and services on your own servers over SSH.

Penpot

A browser-based design and prototyping tool where designers and developers work on the same files, with SVG as its native format.

Plane

An open-source project and issue tracker with cycles and modules, built as a Jira alternative.

Gitea

A lightweight self-hosted Git service with issues, pull requests, a package registry and built-in CI (Gitea Actions).

Twenty

A modern open-source CRM you can self-host and extend through its API.

Appwrite

An open-source backend platform with authentication, databases, storage, functions, messaging and hosting, available as managed cloud or self-hosted.

A note-taking app for desktop, mobile and terminal that syncs through your own storage or a Joplin server, with optional end-to-end encryption. The Joplin Server for self-hosted sync is under a separate personal-use license and is not open source.

Metabase

A business intelligence tool where people ask questions of their databases through a query builder or SQL and build dashboards.

Cal.diy

The open-source community edition of Cal.com: a scheduling and booking-page tool you can self-host. It is MIT licensed; Cal.com itself has been closed source since April 2026.

Payload

A TypeScript CMS and application framework that runs inside Next.js and generates an admin panel and APIs from one config.

PhotoPrism

A self-hosted photo library that uses AI-based tagging and face and place recognition to browse and search your pictures and videos.

PostHog

A product analytics platform that also includes session replay, feature flags, experiments and surveys, offered as PostHog Cloud or a self-hosted deployment.

Umami

A self-hosted, privacy-focused web analytics tool that works without cookies.

Mattermost

A self-hostable team chat platform with channels, threads and integrations, popular for secure and technical teams.

Chatwoot

A customer support inbox that brings live chat, email and social channels into one shared view for support teams.

Medusa

A Node.js commerce platform with a built-in framework for building custom online stores, marketplaces and B2B commerce apps.

Langfuse

An open-source platform for tracing, evaluating and managing prompts for LLM applications.

Plausible Analytics

Lightweight, cookieless, privacy-focused web analytics with a self-hostable Community Edition.

Bagisto

An open-source Laravel and Vue.js e-commerce platform for single stores, B2B shops and multi-vendor marketplaces.

Zulip

A self-hostable team chat app that organizes every conversation into topics inside channels.

authentik

A self-hosted identity provider that offers SSO with OIDC, SAML, LDAP, SCIM, RADIUS and a reverse proxy.

Activepieces

A workflow automation tool with a no-code builder and a TypeScript integration framework, available self-hosted or as a cloud service.

Listmonk

A self-hosted newsletter and mailing list manager that ships as a single binary and uses your own SMTP provider.

Saleor

A GraphQL-only, API-first commerce platform written in Python and Django for building headless online stores.

Docmost

An open-source collaborative wiki and documentation tool with real-time editing, spaces, groups and page history.

WeKan

An open-source Kanban board with boards, lists, cards, swimlanes and real-time updates that you can host yourself.

OpenProject

A web-based project management system for classic, agile and hybrid projects, with Gantt charts, boards, time tracking and a work package model.

Formbricks

An open-source survey and feedback tool for in-product and link surveys that you can self-host.

Woodpecker CI

A lightweight, container-based CI/CD engine that you host yourself and connect to your Git forge.

Concourse CI

A container-based CI/CD system that you host yourself, where pipelines are defined in YAML as resources, jobs and tasks.

Zammad

A web-based helpdesk and ticketing system that handles email, chat, phone and social channels in one place.

Vikunja

A self-hosted to-do and task manager with lists, Kanban, Gantt and table views, shared projects and a full API.

OpnForm

An open-source form builder with a no-code editor, embeds, integrations and a hosted cloud or a Docker self-hosted option.

Keila

An open-source newsletter tool for sending campaigns and building sign-up forms, which you can self-host or use as a paid cloud service.

Taiga

An open-source project management tool for agile teams with Scrum backlogs and sprints, Kanban boards, epics, issues and a wiki.