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License: GPL-2.0×clear all

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DOMJudge

System for running a programming contest, like the ICPC regional and world championship programming contests.

slug: domjudge
categories: system admin & hosting
publisher: DOMjudge (community)
website: https://www.domjudge.org
source code: https://github.com/DOMjudge/domjudge
install docs: https://github.com/DOMjudge/domjudge#readme
docs: https://github.com/DOMjudge/domjudge#readme
docker: https://github.com/DOMjudge/domjudge/blob/HEAD/docker-compose.yml
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: mysql, mariadb
ram: under 1gb
storage: medium
maintenance: active
latest release: unknown
latest release date: unknown
last commit: Jul 9, 2026
primary language: PHP
github topics: programming-contests, domjudge, icpc, php, linux, domjudge-developers, domjudge-homepage, pdf-format, prebuilt, subscription, competitive-programming, jquery, html, programming-contest-jury, hacktoberfest

Textpattern

CMS for publishing articles, pages, templates, sections, and structured site content.

slug: textpattern
categories: content & publishing
publisher: textpattern (community)
website: https://textpattern.com
source code: https://github.com/textpattern/textpattern
install docs: https://github.com/textpattern/textpattern#readme
docs: https://github.com/textpattern/textpattern#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: high
maintenance: active
latest release: 4.9.1
latest release date: Feb 14, 2026
last commit: Jun 27, 2026
primary language: PHP
github topics: cms, content-management, php, textpattern, platform, content-management-system, cmf, cms-framework

Zero-K

Real-time strategy game built on the Spring engine with online multiplayer.

slug: zero-k
categories: games
publisher: ZeroK-RTS (community)
website: https://zero-k.info
source code: https://github.com/ZeroK-RTS/Zero-K
install docs: https://github.com/ZeroK-RTS/Zero-K#readme
docs: https://github.com/ZeroK-RTS/Zero-K#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: high
maintenance: active
latest release: unknown
latest release date: unknown
last commit: Jul 8, 2026
primary language: Lua
github topics: cross-platform, game, open-source, opensource, real-time-strategy, rts, rts-game, scifi, springrts, lua, gamedev, multi-platform, modding

Jellyswarrm

Combine multiple Jellyfin servers into one library.

slug: jellyswarrm
categories: media servers, networking & dns
publisher: LLukas22 (individual)
website: https://github.com/LLukas22/Jellyswarrm
source code: https://github.com/LLukas22/Jellyswarrm
install docs: https://github.com/LLukas22/Jellyswarrm#readme
docs: https://github.com/LLukas22/Jellyswarrm#readme
docker: https://github.com/LLukas22/Jellyswarrm/blob/HEAD/docker-compose.yml
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: sqlite
ram: 1-2gb
storage: high
maintenance: active
latest release: v0.2.1
latest release date: Mar 15, 2026
last commit: Jun 15, 2026
primary language: Rust
github topics: jellyfin, media, reverse-proxy

Quassel IRC

Distributed IRC, meaning that one (or multiple) (s) can attach to and detach from a central core.

slug: quassel-irc
categories: communication
publisher: quassel (community)
website: https://github.com/quassel/quassel
source code: https://github.com/quassel/quassel
install docs: https://github.com/quassel/quassel#readme
docs: https://github.com/quassel/quassel#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: high
maintenance: active
latest release: 0.14.0
latest release date: Jan 1, 2022
last commit: Jun 27, 2026
primary language: C++
github topics: quassel, irc, irc-client, bouncer

DavMail

DavMail POP/IMAP/SMTP/Caldav/Carddav/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at.

slug: davmail
categories: communication, email & newsletters
publisher: mguessan (individual)
website: https://davmail.sourceforge.net
source code: https://github.com/mguessan/davmail
install docs: https://github.com/mguessan/davmail#readme
docs: https://github.com/mguessan/davmail#readme
docker: https://github.com/mguessan/davmail/blob/HEAD/src/docker/compose.yml
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: high
maintenance: active
latest release: unknown
latest release date: unknown
last commit: Jul 9, 2026
primary language: Java
github topics: exchange-server, imap, pop3, ldap, caldav, carddav, smtp, gateway, office-365, exchange, outlook, sourceforge, office365

NZBGet

Fast, reliable, and feature-packed NZB downloader.

slug: nzbget
categories: file sharing & sync
publisher: nzbgetcom (community)
website: https://nzbget.com
source code: https://github.com/nzbgetcom/nzbget
install docs: https://github.com/nzbgetcom/nzbget#readme
docs: https://github.com/nzbgetcom/nzbget#readme
docker: https://github.com/nzbgetcom/nzbget/blob/HEAD/docker/docker-compose.yml
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: medium
maintenance: active
latest release: v26.2
latest release date: Jun 18, 2026
last commit: Jul 6, 2026
primary language: C++
github topics: nzbget, usenet

YT-DLP Web Player

Web player for streaming videos through yt-dlp from a browser.

slug: yt-dlp-web-player
categories: media servers
publisher: Matszwe02 (individual)
website: https://hub.docker.com/r/matszwe02/ytdlp_web_player
source code: https://github.com/Matszwe02/ytdlp_web_player
install docs: https://github.com/Matszwe02/ytdlp_web_player#readme
docs: https://github.com/Matszwe02/ytdlp_web_player#readme
docker: https://github.com/Matszwe02/ytdlp_web_player/blob/HEAD/compose.yml
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: 1-2gb
storage: high
maintenance: active
latest release: v1.0.1
latest release date: Jul 8, 2026
last commit: Jul 8, 2026
primary language: JavaScript
github topics: unknown

ngircd

Portable and lightweight Internet Relay Chat server for small or private networks.

slug: ngircd
categories: communication
publisher: ngircd (community)
website: http://ngircd.barton.de
source code: https://github.com/ngircd/ngircd
install docs: https://github.com/ngircd/ngircd#readme
docs: https://github.com/ngircd/ngircd#readme
docker: https://github.com/ngircd/ngircd/blob/HEAD/contrib/Dockerfile
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: medium
maintenance: active
latest release: rel-27
latest release date: Apr 26, 2024
last commit: Jul 8, 2026
primary language: C
github topics: irc, ircd, daemon, linux, bsd, macos, unix, c, server, ngircd, chat, internet-relay-chat

LedgerSMB

Accounting and ERP system for invoices, orders, projects, budgeting, and double-entry bookkeeping.

slug: ledgersmb
categories: business & commerce, finance & budgeting
publisher: ledgersmb (community)
website: https://ledgersmb.org
source code: https://github.com/ledgersmb/LedgerSMB
install docs: https://github.com/ledgersmb/LedgerSMB#readme
docs: https://github.com/ledgersmb/LedgerSMB#readme
docker: https://github.com/ledgersmb/LedgerSMB/blob/HEAD/utils/selenium/docker-compose.yml
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: high
maintenance: active
latest release: 1.13.7
latest release date: Jul 6, 2026
last commit: Jul 6, 2026
primary language: Perl
github topics: postgresql, accounting, billing, web-app, quotations, orders, projects, inventory-management, inventory, fixed-asset, invoicing, material-cards, time-tracking, payments, purchasing, manufacturing, double-entry-accounting, bookkeeping, general-ledger, hacktoberfest

UnrealIRCd

Modular, advanced and highly configurable IRC server written in C for Linux, BSD, Windows, and macOS.

slug: unrealircd
categories: communication
publisher: unrealircd (community)
website: https://www.unrealircd.org
source code: https://github.com/unrealircd/unrealircd
install docs: https://github.com/unrealircd/unrealircd#readme
docs: https://github.com/unrealircd/unrealircd#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: medium
maintenance: active
latest release: unknown
latest release date: unknown
last commit: Jul 8, 2026
primary language: C
github topics: irc-server, ircv3, sasl, irc, unrealircd, ircd, c

admidio

Membership management app for clubs and groups with roles, profiles, lists, events, and permissions.

slug: admidio
categories: ai & ml, business & commerce
publisher: Admidio (community)
website: https://www.admidio.org
source code: https://github.com/Admidio/admidio
install docs: https://github.com/Admidio/admidio#readme
docs: https://github.com/Admidio/admidio#readme
docker: https://github.com/Admidio/admidio/blob/HEAD/Dockerfile
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: 1-2gb
storage: high
maintenance: active
latest release: v5.0.11
latest release date: Jul 6, 2026
last commit: Jul 5, 2026
primary language: PHP
github topics: php, admidio, organization, user-management, membership, membership-management, club-management, members, photo-album, lists, event-management, documents-manager

RSS2EMail

Fetches RSS/Atom-feeds and pushes new content to any email-receiver, supports OPML.

slug: rss2email
categories: bookmarks & read-it-later
publisher: rss2email (community)
website: https://pypi.org/project/rss2email
source code: https://github.com/rss2email/rss2email
install docs: https://github.com/rss2email/rss2email#readme
docs: https://github.com/rss2email/rss2email#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: low
maintenance: slow
latest release: unknown
latest release date: unknown
last commit: Apr 17, 2025
primary language: Python
github topics: unknown

GeneWeb

Genealogy software that can be used offline or as a Web service.

slug: geneweb
categories: knowledge & notes
publisher: geneweb (community)
website: https://geneweb.tuxfamily.org/wiki/GeneWeb
source code: https://github.com/geneweb/geneweb
install docs: https://github.com/geneweb/geneweb#readme
docs: https://geneweb.tuxfamily.org/wiki/GeneWeb
docker: https://github.com/geneweb/geneweb/blob/HEAD/docker/Dockerfile
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: low
maintenance: active
latest release: v7.1.0-beta2
latest release date: Dec 25, 2025
last commit: Jul 8, 2026
primary language: OCaml
github topics: genealogy, software, web, database, family-tree, graph, consanguinity, ocaml, linux, osx, windows, gedcom, opam

jetlog

Flight tracker for recording trips and viewing personal aviation history.

slug: jetlog
categories: maps & travel
publisher: pbogre (individual)
website: https://github.com/pbogre/jetlog
source code: https://github.com/pbogre/jetlog
install docs: https://github.com/pbogre/jetlog#readme
docs: https://github.com/pbogre/jetlog#readme
docker: https://github.com/pbogre/jetlog/blob/HEAD/Dockerfile
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: low
maintenance: active
latest release: v1.2
latest release date: Jun 26, 2026
last commit: Jun 26, 2026
primary language: TypeScript
github topics: flights, self-hosted, tracking, aviation, logging

Zenphoto

Gallery CMS for publishing photo albums, media pages, themes, and image collections.

slug: zenphoto
categories: content & publishing, photos & galleries, project & task management
publisher: zenphoto (community)
website: https://www.zenphoto.org
source code: https://github.com/zenphoto/zenphoto
install docs: https://github.com/zenphoto/zenphoto#readme
docs: https://github.com/zenphoto/zenphoto#readme
docker: https://github.com/zenphoto/zenphoto/blob/HEAD/zp-core/zp-extensions/mobileTheme/docker-compose.yml
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: 1-2gb
storage: high
maintenance: active
latest release: v1.6.8
latest release date: May 27, 2025
last commit: Jul 5, 2026
primary language: PHP
github topics: cms, web-gallery, photo-gallery

Plone

Content management system for building and maintaining websites.

slug: plone
categories: content & publishing
publisher: plone
website: https://plone.org/
source code: https://github.com/plone/Products.CMFPlone
install docs: unknown
docs: unknown
docker: official
license: ZPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: unknown
storage: unknown
maintenance: active
latest release: unknown
latest release date: unknown
last commit: Jul 9, 2026
primary language: Python
github topics: hacktoberfest

Sympa

Mailing list manager for subscriptions, moderation, archives, and group email delivery.

slug: sympa
categories: communication, email & newsletters
publisher: sympa-community (community)
website: https://www.sympa.community/sympa
source code: https://github.com/sympa-community/sympa
install docs: https://github.com/sympa-community/sympa#readme
docs: https://github.com/sympa-community/sympa#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: high
maintenance: active
latest release: 6.2.78
latest release date: Mar 28, 2026
last commit: Mar 28, 2026
primary language: Perl
github topics: sympa, mailing-list, mailinglist, discussion-platform, hacktoberfest

egroupware

Web based groupware server written in PHP, forum at https://help.egroupware.org/.

slug: egroupware
categories: calendars & contacts, communication, project & task management
publisher: EGroupware (community)
website: https://www.egroupware.org
source code: https://github.com/EGroupware/egroupware
install docs: https://github.com/EGroupware/egroupware#readme
docs: https://github.com/EGroupware/egroupware#readme
docker: https://github.com/EGroupware/egroupware/blob/HEAD/doc/docker/docker-compose.yml
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: mysql, mariadb, mongodb
ram: under 1gb
storage: high
maintenance: active
latest release: 26.7.20260702
latest release date: Jul 2, 2026
last commit: Jul 10, 2026
primary language: PHP
github topics: egroupware, webmail, project-management, address-book, calendar, caldav-server, carddav-server, php, javascript, collaboration

Bluecherry

Closed-circuit television (CCTV) software application which supports IP and Analog cameras.

slug: bluecherry
categories: media servers, security & privacy, video & conferencing
publisher: bluecherrydvr (community)
website: https://github.com/bluecherrydvr/bluecherry-apps
source code: https://github.com/bluecherrydvr/bluecherry-apps
install docs: https://github.com/bluecherrydvr/bluecherry-apps#readme
docs: https://github.com/bluecherrydvr/bluecherry-apps#readme
docker: https://github.com/bluecherrydvr/bluecherry-apps/blob/HEAD/actions/Dockerfile
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: 1-2gb
storage: high
maintenance: active
latest release: v3.1.14
latest release date: Aug 31, 2025
last commit: Dec 29, 2025
primary language: C++
github topics: unknown

BuddyPress

WordPress plugin that adds profiles, activity streams, groups, and community features to a site.

slug: buddypress
categories: communication, communities & social, networking & dns
publisher: buddypress (community)
website: https://buddypress.org
source code: https://github.com/buddypress/buddypress
install docs: https://github.com/buddypress/buddypress#readme
docs: https://github.com/buddypress/buddypress#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: high
maintenance: active
latest release: unknown
latest release date: unknown
last commit: Jul 7, 2026
primary language: PHP
github topics: wordpress-plugin, community

FlatPress

Lightweight, easy-to-set-up flat-file blogging engine.

slug: flatpress
categories: content & publishing
publisher: flatpressblog (community)
website: https://flatpress.org
source code: https://github.com/flatpressblog/flatpress
install docs: https://github.com/flatpressblog/flatpress#readme
docs: https://github.com/flatpressblog/flatpress#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: high
maintenance: active
latest release: 1.5.1
latest release date: Mar 24, 2026
last commit: Jul 9, 2026
primary language: PHP
github topics: php, flatfile, blog, blogging, flatpress, nosql, website, blogging-engine

myTinyTodo

Todo list manager for creating tasks, grouping lists, and tracking small personal projects.

slug: mytinytodo
categories: project & task management
publisher: maxpozdeev (individual)
website: https://www.mytinytodo.net
source code: https://github.com/maxpozdeev/mytinytodo
install docs: https://github.com/maxpozdeev/mytinytodo#readme
docs: https://github.com/maxpozdeev/mytinytodo#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: high
maintenance: active
latest release: v1.8.3
latest release date: May 29, 2025
last commit: Mar 29, 2026
primary language: PHP
github topics: unknown

Open eClass

E-learning app for courses, assignments, announcements, exercises, and online classroom material.

slug: open-eclass
categories: learning & courses
publisher: gunet (community)
website: https://www.openeclass.org
source code: https://github.com/gunet/openeclass
install docs: https://github.com/gunet/openeclass#readme
docs: https://github.com/gunet/openeclass#readme
docker: https://github.com/gunet/openeclass/blob/HEAD/docker-compose.yaml
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: mysql, mariadb
ram: under 1gb
storage: high
maintenance: active
latest release: Release_4.3.3
latest release date: Apr 3, 2026
last commit: Jul 7, 2026
primary language: PHP
github topics: unknown

Islandora

Drupal module for browsing and managing Fedora-based digital repositories.

slug: islandora
categories: documents & pdfs, e-books & libraries
publisher: Islandora (community)
website: http://islandora.ca
source code: https://github.com/Islandora/islandora
install docs: https://github.com/Islandora/islandora#readme
docs: https://github.com/Islandora/islandora#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: medium
maintenance: active
latest release: 2.18.4
latest release date: Jun 24, 2026
last commit: Jun 24, 2026
primary language: PHP
github topics: islandora, islandora-legacy

Evergreen

Integrated library system for cataloging, circulation, patrons, and library workflows.

slug: evergreen
categories: documents & pdfs, e-books & libraries
publisher: evergreen-library-system (community)
website: http://evergreen-ils.org
source code: https://github.com/evergreen-library-system/Evergreen
install docs: https://github.com/evergreen-library-system/Evergreen#readme
docs: https://github.com/evergreen-library-system/Evergreen#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: 2-4gb
storage: medium
maintenance: active
latest release: unknown
latest release date: unknown
last commit: Jul 7, 2026
primary language: PLpgSQL
github topics: unknown

GRR

Assets management and booking for small/medium companies.

slug: grr
categories: business & commerce, forms, polls & events
publisher: JeromeDevome (individual)
website: https://grr.devome.com
source code: https://github.com/JeromeDevome/GRR
install docs: https://github.com/JeromeDevome/GRR#readme
docs: https://github.com/JeromeDevome/GRR#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: high
maintenance: active
latest release: v4.6.4
latest release date: Jul 7, 2026
last commit: Jun 21, 2026
primary language: PHP
github topics: unknown

Yeti-Switch

Transit class4 softswitch(SBC) with integrated billing and routing engine and REST API.

slug: yeti-switch
categories: communication, developer tools
publisher: yeti-switch
website: https://yeti-switch.org/
source code: https://github.com/yeti-switch/yeti-web
install docs: unknown
docs: unknown
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: unknown
storage: unknown
maintenance: active
latest release: 1.15.34
latest release date: Jul 9, 2026
last commit: Jul 9, 2026
primary language: Ruby
github topics: billing, voip-billing, voip, sip, softswitch, telecommunications, sbc

Limbas

Low-code database framework for building data-driven business apps and internal tools.

slug: limbas
categories: business & commerce, databases, developer tools
publisher: limbas (individual)
website: https://github.com/limbas/limbas
source code: https://github.com/limbas/limbas
install docs: https://github.com/limbas/limbas#readme
docs: https://github.com/limbas/limbas#readme
docker: https://github.com/limbas/limbas/blob/HEAD/docker-compose.yml
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: postgres
ram: under 1gb
storage: high
maintenance: active
latest release: v7.1.14
latest release date: Jun 12, 2026
last commit: Jun 12, 2026
primary language: PHP
github topics: php, dms, cms, erp, appliance, report-generator, form-generator, crm, product-catalog, workflow, workflow-engine, database-management, database-gui, user-group-management

POMjs

Password generator for creating random passwords from a small web or JavaScript tool.

slug: pomjs
categories: password managers
publisher: joho1968 (individual)
website: https://password.oppetmoln.se
source code: https://github.com/joho1968/POMjs
install docs: https://github.com/joho1968/POMjs#readme
docs: https://github.com/joho1968/POMjs#readme
docker: unknown
license: GPL-2.0
license type: copyleft
source model: open source
surfaces: web
database: unknown
ram: under 1gb
storage: medium
maintenance: stale
latest release: 1.1.4
latest release date: Jul 25, 2023
last commit: Jul 25, 2023
primary language: JavaScript
github topics: password, password-generator, random-password-generator, security, security-tools, webapp, website