| class="wikitable sortable" style="font-size: small; text-align: center; width: auto;" |
| 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[{{Cite web |title=Gallery3:Requirements - Gallery Codex |url=http://codex.galleryproject.org/Gallery3:Requirements.html |access-date=2023-11-28 |website=codex.galleryproject.org}}]
| flickr, Picasa |
| Piwigo
| Photo sharing
| GPL
| PHP + MariaDB / MySQL[{{Cite web |title=Piwigo/README.md at 9af2ba648f4939e1a6a1774b178186290bb7a1b9 · Piwigo/Piwigo |url=https://github.com/Piwigo/Piwigo/blob/9af2ba648f4939e1a6a1774b178186290bb7a1b9/README.md?plain=1#L13 |access-date=2023-11-28 |website=GitHub |language=en}}]
| 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[{{Cite web |title=System requirements — Nextcloud latest Administration Manual latest documentation |url=https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server |access-date=2023-11-28 |website=docs.nextcloud.com}}]
| 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[{{Cite web |title=Hosting Requirements for WordPress |url=https://wordpress.org/about/requirements/ |access-date=2023-11-28 |website=WordPress.org |language=en-US}}]
| 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 |