| 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 |
File sharing/sync, web calendar, online office suite etc. |
AGPLv3 |
|
Dropbox, drop.io |
| Nextcloud |
File sharing/sync, web calendar, online office suite etc. |
AGPLv3+ |
PHP + MariaDB / MySQL / Oracle / PostgreSQL / SQLite[3] |
Dropbox, Google Drive, Microsoft 365, box |
| Seafile |
File sharing/sync, 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 |
|
Gmail, Hotmail |
| IMP |
Web mail |
GPLv2 |
IMAP server |
Gmail, Hotmail |
| Squirrelmail |
Web mail |
GPLv2 |
|
Gmail, Hotmail |
| Mailman |
Mailing lists |
GPL |
|
Google Groups, 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 |
MIT, AGPLv3, Apache License 2.0 |
|
Slack |
| Element |
Web chat |
Apache License 2.0 |
|
Slack |
|
