TightWiki is a free and fully-featured, open-source wiki that runs from a single unzip: ASP.NET Core and SQLite, so there's no database server and no configuration. Build-in page versioning, role-based permissions, fuzzy search, lots of themes, plugins and available in over 40 languages.
Windows, Linux or macOS. MIT licensed.
| General Features | TightWiki |
|---|---|
| Version |
2.39.3
|
| Last Release Date |
2026-10-03 (5 days ago)
|
| Last Update here |
2026-10-06 (2 days ago)
|
| Author |
NetworkDLS
|
| URL | |
| Free and Open Source |
Yes
|
| License |
MIT
|
| Programming Language |
C#
|
| Data Storage |
Database
|
| License Cost/ Fee |
0
|
| Development status |
Mature
|
| Intended Audience |
Small to medium business and personal use.
|
| System Requirements | TightWiki |
| Operating System | |
| Root Access |
No
|
| Webserver |
IIS / Kestrel / nginx
|
| Other Requirements |
.NET runtime
|
| Datastorage | TightWiki |
| Text Files |
No
|
| MySQL |
No
|
| PostgreSQL |
No
|
| Oracle |
No
|
| SQLite |
Yes
|
| BerkeleyDB |
No
|
| RCS |
No
|
| Other | |
| Security/Anti-Spam | TightWiki |
| Page Permissions |
Yes
|
| ACL |
Yes
|
| Authentication Backends |
yes
|
| Host Blocking |
No
|
| Mail Encryption |
No
|
| nofollow |
Plugin
|
| Blacklist |
Plugin
|
| CAPTCHA |
No
|
| Delayed Indexing |
Plugin
|
| Development/Support | TightWiki |
| # of Consultants | |
| Preconfigured Hosting |
Yes
|
| Code Repository | |
| Issue Tracker | |
| Mailing List | |
| Support Forum | |
| Chat Channel | |
| Stars on GitHub |
N/A
|
| Common Features | TightWiki |
| Preview |
Yes
|
| Minor Changes |
Yes
|
| Change Summary |
Yes
|
| Page History |
Yes
|
| Page Revisions |
Unlimited
|
| Revision Diffs |
Between all
|
| Sitemap |
Plugin
|
| Plugin System |
Yes
|
| Special Features | TightWiki |
| Unicode Support |
Yes
|
| Right-to-Left Support |
Yes
|
| Interface Languages |
48
Arabic, Azerbaijani, Byelorussian, Bulgarian, Bengali; Bangla, Czech, Danish, German, Greek, English, Spanish, Estonian, Persian, Finnish, French, Hebrew, Hindi, Croatian, Hungarian, Indonesian, Icelandic, Italian, Japanese, Georgian, Kazakh, Korean, Lithuanian, Latvian, Lettish, Moldavian, Malay, Dutch, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Slovak, Slovenian, Serbian, Swedish, Thai, Turkish, Ukrainian, Urdu, Vietnamese, Chinese, Chinese Traditional |
| Email notification |
No
|
| Comments |
Flat
|
| Categories |
Yes
|
| Namespaces |
Yes
|
| Conflict Handling |
Conflict Detection
|
| Concurrent Editing |
Optional
|
| Search |
Full Text
|
| Wiki Farming |
No
|
| Structured Data |
Yes
|
| Links | TightWiki |
| CamelCase |
Plugin
|
| Freelinks |
Yes
|
| Backlinks |
Yes
|
| InterWiki |
Yes
|
| SisterWiki |
Unknown
|
| Image Links |
Yes
|
| Windows Shares |
Yes
|
| Page Redirects |
Plugin
|
| Syntax Features | TightWiki |
| HTML Tags |
Some
|
| Math formulas |
Plugin
|
| Tables |
simple + complex
|
| CREOLE support |
Plugin
|
| Markdown Support |
Yes
|
| Textile Support |
Plugin
|
| BBCode Support |
Plugin
|
| Emoticon Images |
Yes
|
| Syntax Highlighting |
Yes
|
| Footnotes |
Yes
|
| Quoting |
Yes
|
| Internal Comments |
Yes
|
| Custom styles |
Yes
|
| FAQ Tags |
Yes
|
| Scripting |
TightWiki proprietary
|
| Content Includes |
Yes
|
| Feed Aggregation |
Plugin
|
| Usability | TightWiki |
| Section Editing |
Yes
|
| Page Templates |
Yes
|
| Double-Click Edit |
Yes
|
| Toolbar |
Yes
|
| WYSIWYG Editing |
No
|
| Access Keys |
No
|
| Auto Signature |
Plugin
|
| Statistics | TightWiki |
| Recent Changes |
Yes
|
| Wanted Pages |
Yes
|
| Orphaned Pages |
Yes
|
| Most/Least Popular |
Yes
|
| Recent Visitors |
Yes
|
| Analysis |
Yes
|
| Output | TightWiki |
| Printer Friendly |
Print CSS
|
| Mobile Friendly |
Yes
|
| Themes & Skins |
Yes
|
| RSS Feeds |
Plugin
|
| ATOM Feeds |
No
|
| Abbreviations |
No
|
| Auto-TOC |
Yes
|
| Raw Export |
Yes
|
| HTML Export |
Yes
|
| XML export |
No
|
| PDF Export |
No
|
| Office Export |
No
|
| Media and Files | TightWiki |
| File Attachments |
Yes
|
| Media Revisions |
Yes
|
| Embedded Flash |
No
|
| Embedded Video |
Yes
|
| Image Editing |
No
|
| SVG Editing |
No
|
| MindMap Editing |
No
|
| Media Search |
Filenames only
|
| Extras | TightWiki |
| Calendar |
Plugin
|
| Image Galleries |
Plugin
|
| Presentations |
Plugin
|
| Forums |
Plugin
|
| Blogs |
Plugin
|
| Ticket System |
Plugin
|
| Chat |
Plugin
|
| Syntax Examples | TightWiki |
| Internal Link |
[[Home, Take me home]] |
| External Link |
[[https://Tightwiki.com, Go to TightWiki]] |
| Headlines |
==Header ===Sub Header |
| Bold Format |
**this is bold** |
| Italics Format |
//this is Italic// |
| Underline Format |
__this is underline__ |
| Monospace Format |
{{Code(bash)
This is syntax highlighted monospace text.
}} |
| Strikethrough Format |
~~this is strikethrough~~ |
| Superscript Format |
^^^Large ^^^^Larger ^^^^^Even larger |
| Subscript Format |
Would require a plugin. |
| Images |
##Image(download.jpg) |
| Aligning Text |
{{Blockquote(Center, This is the caption)
This is the content text
}}
-or-
{{Figure(Center, This is the caption)
This is the content text
}}
|
| Text Indentation |
Ony inside bulleted or numbered lists, otherwise would require a plugin. |
| Bulleted Lists |
{{Bullets
Item 1
>Sub item 1.1
>Sub item 1.2
Item 2
>Sub item 2.1
}} |
| Numbered Lists |
{{Bullets(Ordered)
Item 1
>Sub item 1.1
>Sub item 1.2
Item 2
>Sub item 2.1
}} |
| Definition Lists |
Would require a plugin. |
| Horizontal Rule |
##HR |
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