This comparison of wiki farms details notable online services which host wiki-style editable web pages. General characteristics of cost, presence of advertising, licensing, and Alexa rank are compared, as are technical differences in editing, features, wiki engine, multilingual support and syntax support.
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The following tables compare general information for several of the more than 100 wiki farms that have been created.[1]
The Alexa traffic rankings are not accurate for those wiki farms that allow some of their hosted wikis to have separate domain names. In those cases there may be some additional Alexa rankings listed below for some of the larger individual wikis in a wiki farm. And the Alexa rankings may be different with respect to time.
| Wiki farm | Cost | Ads | Content license | Alexa rank[2] |
|---|---|---|---|---|
| Central Desktop | Free/paid | ? | 12,794 [3] | |
| Confluence Hosted | Non-free[4] | ? | 5,886 [5] | |
| eTouch SamePage | Non-free | ? | 412,399 [6] | |
| Ourproject.org | Free | No | Copyleft (choice of Creative Commons, GNU FDL, other licenses) | 75,678 [7] |
| PBworks | Free/paid | No | 2,758 [8] | |
| Socialtext Workspace Hosted | Non-free[9] | No | Wiki creators can set their own. | 90,271 [10] |
| TeamWikis | Non-free | No | Any | 7,346,031 [11] |
| Wetpaint | Free/Paid | Yes | Creative Commons | 2,610 [12] |
| Wik.is | Not Applicable | Decommissioned | Website was, per vendor, decommissioned on December 31, 2010. | 6,509,047 [13] |
| Wikia | Free | Yes | Creative Commons | 208 [14] |
| Wikidot | Free/paid | Yes/No | By default Creative Commons, GNU FDL, other licenses as requested | 3,264 [15] |
| Wikispaces | Free/paid[16] | Yes/No | Choice of Creative Commons, GNU FDL, other licenses | 1,916 [17] |
| WikiSpot | Free | No | By default Creative Commons, GNU FDL, other licenses by user choice | 176,413*[18] |
| Wikiunity | Free | Yes | Creative Commons other licenses are available | 4,719,892*[19] |
| XWiki | Free/paid | No | Any | 549,790 [20] |
| Wiki farm | Cost? | Ads? | Content license | Alexa rank |
| Wiki farm | WYSIWYG editing | Features | Base wiki engine | Multilingual support | Syntax support |
|---|---|---|---|---|---|
| Central Desktop | Yes | Access control, full-text search, calendaring, single sign-on to multiple projects, project templates, RSS enabled. | [?] (custom) | HTML,[1] CSS/templating No formulas |
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| Confluence Hosted | Yes | Wiki markup language, plugins, SSL, file storage, permissioning, WebDAV. | HTML plugin script plugin No formulas |
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| eTouch SamePage | Yes | Project management, permissioning, administration and support for multiple domains. | eTouch CMS (custom, powered by) | ||
| Ourproject.org | Yes | Wikis, mailing lists, FTP, SSH, subdomains, hosting, ddbb, email alias, backups, CVS/SVN, forums, task management. | MoinMoin by default; custom supported | Supports English, Spanish, French, and many other languages. | |
| PBworks | Subdomain. No page limits, SSL, RSS & Atom, ZIP backups, diffs, colour schemes, email notifications, file management, page access settings. Over 800,000 workspaces hosted. One level of folders used to organize pages. Free accounts limited to 2 GB. Available to paying users: Folder- and page-level access controls, custom domain, unlimited storage. | [?] (custom) | All HTML,[1] JavaScript, LaTeX formulas |
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| Socialtext Workspace | Yes | Enterprise Wiki. Supports text, rich text, embedded images, video, and attachments (including from email). | Derived from Kwiki | ||
| TeamWikis | Yes | Rich text, images, attachments, versioning, sub-wikis, templates, branding and themes, quick commenting, multiple authentication options, email and RSS/Atom integration. | ProjectForum | ||
| Wetpaint | Yes | WYSIWYG editing only, custom page hierarchies, Comment and Reply forums with comment ratings, access control, keyword search, tags, tag filtering, skins, RSS, page locking, profiles, site activity report, page and comment watching. No page permission settings. No changes preview. | Java-based (custom) | No HTML,[1] Unknown script No formulas |
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| Wik.is | Not Applicable | Website was, per vendor, decommissioned on December 31, 2010. Migration was offered to vendor's replacement "MindTouch Cloud" product. | Deki Wiki | ||
| Wikia | Yes | Common login and common preferences to all wikis of Wikia for the same user. Database download available. Cannot close an inactive wiki, even if the community has moved elsewhere. Domains, names, and identifiers owned by Wikia Inc. Will configure Semantic MediaWiki on request.[21] Blog, User Page, and User Talk pages for users. | MediaWiki 1.16.1 | All languages Wikipedia exists for (and some more); Community Support in English, Chinese, German, Japanese, Spanish and Portuguese, and several other languages. | Same as Wikipedia due to the same Wiki engine - MediaWiki: Some HTML[1], Wikitext, JavaScript, Math formulas |
| Wikidot | Subdomain. Can map a custom domain if previously registered for free. User can allow ads to be displayed on their wiki and get 80% of revenue. RSS, customizable themes with CSS, advanced forum for each site. Custom page hierarchies, searching, advanced page (full/section/append) edit locking, blocking users and IP addresses. Private messages between users. Uses Ajax. No limit on site size. Public and private wikis. Widgets. Each user can create up to 20 wiki sites and be a member of an unlimited number of wikis. | Modified Text_Wiki engine | Multilingual interface possibilities (translations done by users-volonteers)[22] and Community support in French and German | No HTML,[1] CSS styling LaTeX math formulas |
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| Wikispaces | Yes | Subdomain. No limits on numbers of pages, spaces, or members. Full RSS support; easy space backups in zip and tgz. Blog import function/ integration. Themes and stylesheets can be customized. Private label service available. | [?] (custom) | Optional HTML,[1] Unknown script Math formulas |
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| WikiSpot | No | No advertising, user accounts work on all wikis, use bookmarks and track changes across multiple wikis. Customizable CSS by wiki and user CSS. Simple, intuitive syntax. No limits on pages/disk space. RSS feeds available on all pages. Easy to create a wiki and configure settings. | Sycamore (based on MoinMoin) | MoinMoin style wiki markup | |
| XWiki | Custom skin, unlimited users | XWiki | All HTML,[1] velocity/groovy No formulas |
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| Wiki farm | WYSIWYG editing | Features | Wiki engine | Multilingual support | Syntax support |
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