List of free and open-source web applications

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All

server-side software, often running on a web server
.

Application Service License Requirements Similar proprietary web application(s)
Collabora Online Online office suite MPLv2.0 Google Docs, Microsoft 365
Gallery
Photo sharing
GPLv3
 PHP + MySQL[1] flickr, Picasa
Piwigo
Photo sharing
 GPL PHP + MariaDB / MySQL[2] flickr, Picasa
OpenBroadcaster
Video streaming
 AGPLv3+ MySQL YouTube
Plumi
Video streaming
 GPL | ZPL YouTube
PeerTube
Video streaming
 AGPLv3+ YouTube
Libre.fm
Music streaming
 AGPLv3+ PostgreSQL or MySQL last.fm
CiteSeerX Bibliographic database Apache MySQL or PostgreSQL
SpringerLink
OpenStreetMap Mapping ODbL MySQL or PostgreSQL Google Maps
ownCloud
web calendar, online office suite
etc. 		AGPLv3
Dropbox, drop.io
Nextcloud
web calendar, online office suite
etc. 		AGPLv3+ PHP + MariaDB / MySQL / Oracle / PostgreSQL / SQLite[3]
box
Seafile
web calendar, online office suite
etc. 		GPLv2
Dropbox, drop.io
Tahoe Least-Authority File Store File sharing GPLv2+
Dropbox, drop.io
iFolder File sharing GPLv2+
Dropbox, drop.io
AbiCollab
Online file editing
 GPLv2 MySQL or PostgreSQL Google Docs
Etherpad
Online file editing
Apache
 MySQL or PostgreSQL Google Docs
Eucalyptus (computing)
 Virtual machine provisioning GPLv3
Amazon EC2
OpenNebula Virtual machine provisioning Apache
SQLite3
Amazon EC2
DokuWiki Wiki GPLv2 Wikispaces
MediaWiki Wiki GPLv2+ MySQL or PostgreSQL Wikispaces
TiddlyWiki Wiki BSD license Web browser Evernote, Microsoft OneNote
Open Journal Systems
Publication management
 GPLv2 MySQL or PostgreSQL
WordPress
Blogging
 GPLv2 PHP + MariaDB / MySQL[4]
blogger.com
LiveJournal
Blogging
 GPLv2+
blogger.com
Ghost
Blogging
 MIT License JavaScript, node.js
blogger.com
GNU Social
 Distributed social network AGPLv3 MySQL or PostgreSQL Twitter
Mastodon
 Distributed social network AGPLv3 PostgreSQL Twitter
AppScale
Virtual web hosting
BSD
Google AppEngine
PHPGroupware
 Online office suite GPLv2 Google Docs
eGroupware Online office suite GPLv2 Google Docs
Feng Office Online office suite AGPL Google Docs
Roundcube
Web mail
 GPLv3+ with exceptions for skins and plugins
Hotmail
IMP
Web mail
GPLv2
IMAP
server
Hotmail
Squirrelmail
Web mail
 GPLv2
Hotmail
Mailman
Mailing lists
 GPL
Yahoo Groups
FluxBB
 Forum GPLv2
phpBB Forum GPLv2
MyBB Forum
GNU LGPL
Phorum Forum Phorum 2.0
Vanilla
 Forum GPLv2
Discourse Forum GPLv2+
LimeSurvey
Internet survey
 GPLv2 SurveyMonkey, Google Form creator
Tiny Tiny RSS
RSS reader
 GPLv3 Google Reader
pump.io Social aggregation Apache FriendFeed
Meneame
Social news
 AGPLv3 Digg
Mixx
Social news
 Digg
Friendica Distributed social network MIT Facebook
Diaspora Distributed social network AGPL Facebook
BuddyPress Distributed social network GPL WordPress Facebook
Elgg Distributed social network GPLv2 / MIT Facebook
Scuttle Social bookmarking Delicious
Connotea (discontinued) Social bookmarking Delicious
Ma.gnolia 2 (discontinued) Social bookmarking Delicious
Apertium Translation GPLv2 Google Translate
EyeOS (version 2.5 and earlier)
Homepage
 AGPLv3 iGoogle
OpenCroquet
 Virtual world MIT
SecondLife
OpenSimulator Virtual world
BSD
SecondLife
bitwarden Password manager GPLv3, AGPLv3 node.js Dashlane, LastPass
Mattermost Web chat
Apache License 2.0
 Slack
Element Web chat
Apache License 2.0
 Slack

See also
  • List of AGPL web applications

References

  1. ^ "Gallery3:Requirements - Gallery Codex". codex.galleryproject.org. Retrieved 2023-11-28.
  2. ^ "Piwigo/README.md at 9af2ba648f4939e1a6a1774b178186290bb7a1b9 · Piwigo/Piwigo". GitHub. Retrieved 2023-11-28.
  3. ^ "System requirements — Nextcloud latest Administration Manual latest documentation". docs.nextcloud.com. Retrieved 2023-11-28.
  4. ^ "Hosting Requirements for WordPress". WordPress.org. Retrieved 2023-11-28.
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