Mastodon

Federated microblogging server. ([Source Code](https://github.com/mastodon/mastodon), [Clients](https://github.com/hyperupcall/awesome-mastodon)) `AGPL-3.0` `Ruby`

SourceBans++

Admin, ban, and communication management system for games running on the Source engine. ([Source Code](https://github.com/sbpp/sourcebans-pp)) `CC-BY-SA-4.0` `PHP`

Home Assistant

Home automation platform. ([Demo](https://home-assistant.io/demo/), [Source Code](https://github.com/home-assistant/core)) `Apache-2.0` `Python/Docker`

Drupal Commerce

Popular e-commerce module for Drupal CMS, with support for dozens of payment, shipping, and shopping related modules. ([Source Code](https://git.drupalcode.org/project/commerce)) `GPL-2.0` `PHP`

Magento Open Source

Leading provider of open omnichannel innovation. ([Source Code](https://github.com/magento/magento2)) `OSL-3.0` `PHP`

Microweber

Drag and Drop CMS and online shop. ([Source Code](https://github.com/microweber/microweber)) `MIT` `PHP`

Open Source POS

Open Source Point of Sale is a web based point of sale system. `MIT` `PHP`

OpenCart

Shopping cart solution. ([Source Code](https://github.com/opencart/opencart)) `GPL-3.0` `PHP`

PrestaShop

Fully scalable e-commerce solution. ([Demo](https://demo.prestashop.com/), [Source Code](https://github.com/PrestaShop/PrestaShop)) `OSL-3.0` `PHP`

Pretix

Ticket sales platform for events. ([Source Code](https://github.com/pretix/pretix)) `AGPL-3.0` `Python/Docker`

Saleor

Django based open-sourced e-commerce storefront. ([Demo](https://demo.saleor.io/), [Source Code](https://github.com/saleor/saleor)) `BSD-3-Clause` `Docker/Python`

Solidus

A free, open-source ecommerce platform that gives you complete control over your store. ([Source Code](https://github.com/solidusio/solidus)) `BSD-3-Clause` `Ruby/Docker`

Spree Commerce

Spree is a complete, modular & API-driven open source e-commerce solution for Ruby on Rails. ([Demo](https://demo.spreecommerce.org/), [Source Code](https://github.com/spree/spree)) `BSD-3-Clause` `Ruby`

Sylius

Symfony2 powered open source full-stack platform for eCommerce. ([Demo](https://sylius.com/try/), [Source Code](https://github.com/Sylius/Sylius)) `MIT` `PHP`

Thelia

Thelia is an open source and flexible e-commerce solution. ([Demo](https://demo.thelia.net/), [Source Code](https://github.com/thelia/thelia)) `LGPL-3.0` `PHP`

WooCommerce

WordPress based e-commerce solution. ([Source Code](https://github.com/woocommerce/woocommerce)) `GPL-3.0` `PHP`

CommaFeed

Google Reader inspired self-hosted RSS reader. ([Demo](https://www.commafeed.com/#/app/category/all), [Source Code](https://github.com/Athou/commafeed)) `Apache-2.0` `Java/Docker`

Feeds Fun

News reader with tags, scoring, and AI. ([Source Code](https://github.com/Tiendil/feeds.fun)) `BSD-3-Clause` `Python`

FreshRSS

Self-hostable RSS feed aggregator. ([Demo](https://demo.freshrss.org/i/), [Source Code](https://github.com/FreshRSS/FreshRSS)) `AGPL-3.0` `PHP/Docker`

Kriss Feed

Simple and smart (or stupid) feed reader. `CC0-1.0` `PHP`

Leed

Leed (for Light Feed) is a Free and minimalist RSS aggregator. `AGPL-3.0` `PHP`

NewsBlur

Personal news reader that brings people together to talk about the world. A new sound of an old instrument. ([Source Code](https://github.com/samuelclay/NewsBlur)) `MIT` `Python`

Newspipe

Web news reader. ([Demo](https://www.newspipe.org/signup)) `AGPL-3.0` `Python`

reader

Feed reader web app and library (so you can use it to build your own), with only standard library and pure-Python dependencies. `BSD-3-Clause` `Python`

RSS-Bridge

Generate RSS/ATOM feeds for websites which don't have one. `Unlicense` `PHP/Docker`

RSS Monster

Easy to use web-based RSS aggregator and reader compatible with the Fever API (alternative to Google Reader). `MIT` `PHP`

Selfoss

New multipurpose rss reader, live stream, mashup, aggregation web application. ([Source Code](https://github.com/fossar/selfoss)) `GPL-3.0` `PHP`

Stringer

Work-in-progress self-hosted, anti-social RSS reader. `MIT` `Ruby`

Tiny Tiny RSS

Web-based news feed (RSS/Atom) reader and aggregator. ([Source Code](https://github.com/tt-rss/tt-rss)) `GPL-3.0` `Docker/PHP`

Upvote RSS

`⚠` - Generate rich RSS feeds from Reddit, Hacker News, Lemmy, Mbin, and more. ([Demo](https://www.upvote-rss.com/), [Source Code](https://github.com/johnwarne/upvote-rss)) `MIT` `Docker/PHP`

Kinto

Minimalist JSON storage service with synchronisation and sharing abilities. ([Source Code](https://github.com/Kinto/kinto)) `Apache-2.0` `Python`

Wavelog

Webbased Logging Software for Radio Amateurs. Enhanced QSO logging, statistics and maps for your browser. ([Demo](https://demo.wavelog.org), [Source Code](https://github.com/wavelog/wavelog)) `MIT` `PHP/Docker`

WeeWX

Open source software for your weather station. ([Demo](https://weewx.com/showcase.html), [Source Code](https://github.com/weewx/weewx)) `GPL-3.0` `Python/deb`

Genea.app

Genealogy tool designed with privacy in mind that anyone can use to author or edit their family tree. Data is stored in the GEDCOM format and all processing is done in the browser. ([Source Code](https://github.com/genea-app/genea-app)) `MIT` `Javascript`

Genealogy

Record family members and their relationships and build a family tree. ([Demo](https://genealogy.kreaweb.be/), [Source Code](https://github.com/MGeurts/genealogy)) `MIT` `PHP`

webtrees

Webtrees is the web's leading online collaborative genealogy application. ([Demo](https://dev.webtrees.net/demo-stable/index.php?ctype=gedcom&ged=demo), [Source Code](https://github.com/fisharebest/webtrees)) `GPL-3.0` `PHP`

Local Deep Research

AI-powered deep research tool with multi-source search (arXiv, PubMed, web), PDF text extraction, and encrypted local storage. `MIT` `Docker/Python`

Ollama

Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, and other large language models. ([Source Code](https://github.com/ollama/ollama)) `MIT` `Docker/Python`

Open-WebUI

User-friendly AI Interface, supports Ollama, OpenAI API. ([Source Code](https://github.com/open-webui/open-webui)) `BSD-3-Clause` `Docker/Python`

TuxSEO

`⚠` - Create automated blog content for your business, using AI. ([Source Code](https://github.com/rasulkireev/TuxSEO)) `MIT` `Python/Docker`

egroupware

Software suite including calendars, address books, notepad, project management tools, client relationship management tools (CRM), knowledge management tools, a wiki and a CMS. ([Source Code](https://github.com/EGroupware/egroupware)) `GPL-2.0` `PHP`

Group Office

Enterprise CRM and groupware tool. Share projects, calendars, files and e-mail online with co-workers and clients. ([Source Code](https://github.com/Intermesh/groupoffice/)) `AGPL-3.0` `PHP`

Openmeetings

Video conferencing, instant messaging, whiteboard, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming. ([Source Code](https://github.com/apache/openmeetings)) `Apache-2.0` `Java`

Tracim

Collaborative Platform for team collaboration: file,threads,notes,agenda,etc. `AGPL-3.0/LGPL-3.0/MIT` `Python`

Zimbra Collaboration

Email, calendar, collaboration server with Web interface and lots of integrations. ([Source Code](https://github.com/zimbra)) `GPL-2.0/CPAL-1.0` `Java`

FitTrackee

Simple workout/activity tracker. ([Source Code](https://github.com/SamR1/FitTrackee)) `AGPL-3.0` `Python/Docker`

OpenEMR

Electronic health records and medical practice management solution. ([Demo](https://www.open-emr.org/demo/), [Source Code](https://github.com/openemr/openemr)) `GPL-3.0` `PHP/Docker`

wger

Web-based personal workout, fitness and weight logger/tracker. It can also be used as a simple gym management utility and offers a full REST API as well. ([Demo](https://wger.de/en/dashboard), [Source Code](https://github.com/wger-project/wger)) `AGPL-3.0` `Python/Docker`