Self-hosted projects using PostgreSQL

Open-source Rails web app for David Allen's GTD: manage next actions, contexts, projects, tags, feeds and statistics; Docker-friendly and multi-user.

GPL-2.0Actively maintained

Alternative to:

Todoist+16

bewCloud is a modern, lightweight alternative to Nextcloud/ownCloud for managing files, photos, notes and news in a simple web interface.

AGPL-3.0Actively maintained

Alternative to:

Google Drive+19

Self-hosted lightweight temporary file host with drag-and-drop, paste and one-click uploads, plus an API for automated uploads and ShareX support.

GPL-3.0Slowing down

Alternative to:

WeTransfer+9

Open-source CRM for contacts, deals, tasks, notes, and activity tracking, built with React and Supabase and designed to be customized by developers.

MITActively maintained

Alternative to:

Salesforce Sales Cloud+18

Enterprise-grade PHP CMS with multisite, multilingual and headless capabilities, extensible via Composer and an extensive extension ecosystem.

GPL-2.0Actively maintained

Alternative to:

Adobe Experience Manager+19

Open-source, self-hosted bookmarking app with tags, import/export, full-text search, REST API, OAuth and browser extension support.

MITActively maintained

Alternative to:

Pinboard+11

Open-source, self-hosted uptime monitoring tool for websites, APIs, and infrastructure with notifications, public status pages, and multiple monitor types.

MITActively maintained

Alternative to:

UptimeRobot+19

A PHP-based CMS with a visual page builder, multi-site, localization, ecommerce, and GraphQL/REST APIs.

AGPL-3.0Actively maintained

Alternative to:

Vvveb CMS Cloud+19

Track runs, rides, and other outdoor workouts on your own server, with GPX imports, maps, and activity statistics in a modern web interface.

Kottster is an open-source, self-hosted Node.js admin panel that generates table views, dashboards, and custom pages on top of your existing database.

Apache-2.0Slowing down

Alternative to:

Retool+5

Request Tracker (RT) is an enterprise-grade ticketing and issue tracking system with email integration, automation, workflows, reporting, and optional asset management.

GPL-2.0Actively maintained

Alternative to:

Zendesk+19

Apache OFBiz is a Java-based open-source ERP and e-commerce framework providing modular apps for accounting, CRM, order management, inventory and manufacturing, plus developer APIs.

Apache-2.0Actively maintained

Alternative to:

Odoo+19

DSpace is an open source institutional repository and digital asset management system for preserving, managing, and providing access to digital content.

BSD-3-ClauseActively maintained

Alternative to:

DSPACE Direct+19

FusionPBX is a domain-based, multi-tenant PBX and softswitch web UI for FreeSWITCH, supporting extensions, IVR, queues, voicemail, provisioning, and more.

Actively maintained

Alternative to:

3CX+13

Automates purchase order ingestion, validation, and ERP posting for distributors, manufacturers and wholesalers using AI-driven item matching and configurable workflows.

AGPL-3.0Slowing down

Alternative to:

Microsoft Power Automate+8

Self-hosted ListenBrainz-compatible scrobbler and listening-history visualizer with import and relay support for other scrobblers.

MITActively maintained

Alternative to:

Last.fm+3

Self-hosted platform to archive Twitch VODs and live streams with real-time chat playback, rendered chat exports, playlists, and channel watching automation.

GPL-3.0Actively maintained

Alternative to:

PlayOn Cloud+2

Open-source task scheduler and calendar app that auto-plans tasks, syncs with external calendars, and provides a modern UI for managing time blocks and workflows.

MITActively maintained

Alternative to:

Google Calendar+13

Rachoon is a modern self-hosted invoicing app for freelancers and small businesses, with client management, payment tracking, PDF export, and customizable templates.

AGPL-3.0Actively maintained

Alternative to:

Invoice Ninja+13

PinePods is a self-hosted podcast management server with multi-user support, gPodder sync, smart playlists, and apps for web, mobile, desktop, and CLI.

GPL-3.0Actively maintained

Alternative to:

Spotify+2

A self-hostable collaborative recipe manager with web import, meal planning, and shared shopping lists in a mobile-friendly PWA.

Actively maintained

Alternative to:

Paprika Recipe Manager+8

Open-source radio broadcast and automation platform with scheduling, library management, live broadcasting and playout integration (Icecast, Liquidsoap).

AGPL-3.0Actively maintained

Alternative to:

Airtime Pro+6

DOMjudge is an automated jury system for programming contests, providing submissions, judging, scoreboards, and admin tools for ICPC-style events.

GPL-2.0Actively maintained

Alternative to:

CTFd Cloud+1

Self-hosted, principles-first finance tracker for income, expenses, accounts, and investments with multi-currency support, automation-ready API, and DCA tracking.

AGPL-3.0Actively maintained

Alternative to:

Mint (Intuit Mint)+19

AGPL-3.0 open-source email API for developers that can be self-hosted; supports SMTP sending, webhooks, DNS automation, observability, multi-tenancy, and project isolation.

AGPL-3.0Actively maintained

Alternative to:

Amazon Simple Email Service (Amazon SES)+11

Tiny Tiny RSS (tt-rss) is a self-hosted, web-based RSS/Atom reader and feed aggregator with filtering, tagging, and a plugin system.

GPL-3.0Actively maintained

Alternative to:

Feedly+8

Open-source media management system that exposes a FUSE-based virtual filesystem, automates discovery/scraping/downloading, and integrates with Plex/Jellyfin/Emby.

GPL-3.0Actively maintained

Alternative to:

Plex+3

Web-based genealogy software for publishing and collaboratively editing family trees, with GEDCOM import, media support, and granular privacy controls.

GPL-3.0Actively maintained

Alternative to:

Ancestry+3

StreamyStats is a Jellyfin statistics and analytics service with dashboards, watch history insights, and optional AI chat and recommendations powered by embeddings.

Actively maintained

Alternative to:

Google Analytics+12

Private, self-hosted blogging app with Markdown editor, private RSS, built-in reader, and Docker/Postgres deployment options.

MITActively maintained

Alternative to:

Medium+9