Self-hosted projects using PostgreSQL

Mayan EDMS is an open source document management system for ingesting, indexing, organizing, and securing documents with workflows, OCR, and audit trails.

Alternative to:

DocuWare+6

Lightweight ActivityPub microblogging platform with Mastodon-compatible API, rich post interactions, and optional paid subscriptions via Monero.

Alternative to:

Mastodon (mastodon.social)+6

A lightweight open-source PHP blog engine with multilingual support, themes/plugins, media manager, and multi-database compatibility (MySQL, MariaDB, PostgreSQL, SQLite).

Alternative to:

WordPress.com+9

Self-hosted enterprise collaboration suite providing email, webmail, calendaring, contacts, and administration for organizations.

Alternative to:

Microsoft Exchange Online+19

HyperKitty is a web interface and archiver for Mailman 3 mailing lists, providing searchable list archives, thread views, user profiles, and email interaction features.

Alternative to:

Cryoserver Email Archive

On-premises IT task scheduler to centralize, schedule, and run scripts and commands across servers via SSH/WinRM, with workflows, logs, notifications, and an API.

Alternative to:

PagerDuty Rundeck+19

Drupal is a flexible, extensible CMS and web framework for building content-rich websites, portals, and digital experiences with strong permissions and structured content...

Alternative to:

WordPress.com+13

Newspipe is a web-based RSS/Atom news aggregator with multi-user support, search and favorites, OPML import/export, and an API for feed management.

Alternative to:

Feedly+11

Open-source read-it-later and bookmark manager with full-text extraction, highlights, collections, e-book export, and SQLite/PostgreSQL support.

Alternative to:

Pocket+9

Self-hosted music download manager that fetches Spotify content and falls back to Deezer for lossless sources; FastAPI backend, Celery tasks and Redis caching.

Psono is a self-hosted, open-source password manager with client-side encryption, web & mobile clients, admin portal and a fileserver for encrypted file storage.

Alternative to:

LastPass+9

Pagure is a self-hosted Git platform for hosting repositories, managing issues and pull requests, and collaborating with teams via a web interface and APIs.

Alternative to:

GitHub+6

Socialhome is a federated, self-hosted social network engine enabling decentralized user profiles and cross-network federation via ActivityPub.

Alternative to:

Mastodon (mastodon.social)+8

Self-hosted, multi-user personal knowledge base for notes, linked contexts, and process pipelines, with backlinks and per-item privacy controls.

Alternative to:

Notion+19

ProjeQtOr is an open-source project management suite for planning, resource management, risks, costs, and project portfolio steering in a collaborative web app.

Alternative to:

Microsoft Project+15

DAViCal is an open source CalDAV/WebDAV calendar server using PostgreSQL, enabling shared calendars, access delegation, and meeting scheduling across many clients.

Alternative to:

Google Calendar+4

Neos is a PHP-based content application platform (CMS) focused on structured content, inline editing, and a powerful content repository for building websites and content-...

Alternative to:

Adobe Experience Manager+11

Open-source error tracking, performance monitoring and uptime checks compatible with Sentry SDKs; available self-hosted or as a hosted SaaS.

Alternative to:

Sentry+19

Tryton is a modular, scalable open-source ERP platform covering accounting, sales, inventory, CRM, purchasing, manufacturing, projects, and subscriptions.

Alternative to:

Odoo+17

Pleroma is a lightweight ActivityPub server for the Fediverse, providing a self-hostable social network that federates with Mastodon and other compatible platforms.

Alternative to:

Threads+4

Mobilizon is a federated platform to create and discover events and groups, manage attendance, and publish event pages without relying on major social networks.

Alternative to:

Meetup+19