Browse free open source Wiki software and projects below. Use the toggles on the left to filter open source Wiki software by OS, license, language, programming language, and project status.

  • Level Up Your Cyber Defense with External Threat Management Icon
    Level Up Your Cyber Defense with External Threat Management

    See every risk before it hits. From exposed data to dark web chatter. All in one unified view.

    Move beyond alerts. Gain full visibility, context, and control over your external attack surface to stay ahead of every threat.
    Try for Free
  • Failed Payment Recovery for Subscription Businesses Icon
    Failed Payment Recovery for Subscription Businesses

    For subscription companies searching for a failed payment recovery solution to grow revenue, and retain customers.

    FlexPay’s innovative platform uses multiple technologies to achieve the highest number of retained customers, resulting in reduced involuntary churn, longer life span after recovery, and higher revenue. Leading brands like LegalZoom, Hooked on Phonics, and ClinicSense trust FlexPay to recover failed payments, reduce churn, and increase customer lifetime value.
    Learn More
  • 1
    Tiki Wiki CMS Groupware

    Tiki Wiki CMS Groupware

    The Free / Libre / Open Source Web App with the most built-in features

    "Software made the wiki way" A full-featured, web-based, tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP, MySQL, Zend Framework, jQuery and Smarty. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge base, intranets, and extranets. Tiki is the Open Source Web Application with the most built-in features. Highly configurable and modular, all features are optional and administered via a web-based interface. Major features include a wiki engine, news articles, discussion forums, newsletters, blogs, file galleries, bug and issue trackers (form generator), polls/surveys and quizzes, banner management system, calendar, maps, mobile , RSS feeds, category system, tags, an advanced themeing engine, spreadsheet, drawings, inter-user messaging, menus, advanced permission system for users and groups, search engine, external authentication, etc. Security reports: https://security.tiki.org
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    Downloads: 179 This Week
    Last Update:
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  • 2
    BookStack

    BookStack

    Simple & Free Wiki Software

    BookStack is a free and open source platform for storing and organising information and documentation. A self-hosted and opinionated wiki system, BookStack is simple and easy to use, giving even new users with just basic word-processing skills a pleasant out of the box experience. BookStack offers a relaxed, open and positive approach. While the platform can provide advanced power features to those who want them, it is primarily designed not to be extensible outside of its core purpose. That being said, BookStack already comes with plenty of powerful features, such as search and linking, cross-book sorting, image management and more. It is also multi-lingual and offers options for authentication integration.
    Downloads: 22 This Week
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  • 3
    BlueSpice free (Support archive)

    BlueSpice free (Support archive)

    Our support forum has moved: community.bluespice.com

    This freely available open-source software turns Wikipedia’s popular software engine MediaWiki into a fully-fledged enterprise wiki solution. Companies can continue cherishing MediaWiki’s numerous advantages and automation capabilities; with BlueSpice, they can now work even more comfortably, safely and more effectively. Compared with basic MediaWiki, BlueSpice provides, amongst other, the following enhancements: comfortable and sophisticated rights management capabilities, a visual editor (WYSIWYG), easy image - and file upload, workflows. Further information with respect to the management and administration of your wiki: BlueSpice is free, open source und not subject to any restrictions with regards to the number of users. There are no licence fees or other additional costs, no matter how many employees are using the software. Existing content is not changed or lost when installing BlueSpice.
    Downloads: 49 This Week
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  • 4
    PhpWiki is a WikiWikiWeb clone in PHP. A WikiWikiWeb is a site where anyone can edit the pages through an HTML form. Multiple storage backends, dynamic hyperlinking, themeable, scriptable by plugins, full authentication, ACL's.
    Downloads: 31 This Week
    Last Update:
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  • The complete IT asset and license management platform Icon
    The complete IT asset and license management platform

    Gain full visibility and control over your IT assets, licenses, usage and spend in one place with Setyl.

    The platform seamlessly integrates with 100+ IT systems, including MDM, RMM, IDP, SSO, HR, finance, helpdesk tools, and more.
    Learn More
  • 5
    PukiWiki

    PukiWiki

    PukiWiki is used by many users, a light and high functional Wiki clone

    PukiWiki ('PoohKeyWeKey' without any prolonged sounds, comes from 'PHP' and 'YukiWiki') is a wiki implementation that works on PHP from 4 to 8, outputs HTML5, has many plugins (including one for bug tracking) and skins (such as one for embedded browsers), enables English configuration, and features case-insensitive WikiNames. The formatting rules are based on YukiWiki. 'B-Wiki' and 'PukiWikiMod' are ported ones to XOOPS. PukiWikiは多くのユーザーに利用されている、軽快で高機能なWikiクローンです。情報共有のための場を簡単に、かつ素早く立ち上げる事が可能です。プラグインによる拡張で、掲示板やバグトラッキングシステムとしても利用することができます。
    Downloads: 148 This Week
    Last Update:
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  • 6
    TWiki Enterprise Collaboration Platform

    TWiki Enterprise Collaboration Platform

    Open Source Enterprise Wiki and Web Application Platform

    Enterprise collaboration platform with over 400 extensions. Users without programming skills can create web applications. 50,000 small businesses, many Fortune 500 companies, and millions of people use TWiki, with installations of 100,000s of pages. Visit http://twiki.org/ for the open source TWiki. The TWiki community is focusing on building the best collaboration platform for the workplace. We invite you to GET INVOLVED! More at http://bit.ly/twGetInv.
    Downloads: 19 This Week
    Last Update:
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  • 7
    Docmost

    Docmost

    An open-source collaborative wiki and documentation software

    Open-source collaborative wiki and documentation software. The editor allows multiple users to edit pages simultaneously in real-time. It has support for tables, math (LaTex), and callouts to name a few. Control who can view, edit, and manage content with a robust permissions system, ensuring information is secure and accessible to the right people. Organize your content into distinct spaces dedicated to different teams, projects, or departments, providing a structured and focused environment for collaboration. Create and manage user groups to grant unified permissions, making it simple to control access by assigning roles and privileges collectively. Engage in meaningful discussions directly on your pages with the integrated inline commenting system. View the history of changes made to each page, allowing you to track edits over time and revert to previous versions if needs be.
    Downloads: 2 This Week
    Last Update:
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  • 8
    DocuWiki

    DocuWiki

    The DokuWiki Open Source Wiki Engine

    DokuWiki is a simple-to-use and highly versatile open source wiki software that doesn't require a database. It is loved by users for its clean and readable syntax. The ease of maintenance, backup, and integration makes it an administrator's favorite. Built-in access controls and authentication connectors make DokuWiki especially useful in the enterprise context and the large number of plugins contributed by its vibrant community allow for a broad range of use cases beyond a traditional wiki. DokuWiki is a popular choice and has many advantages over similar software. Wikis are quick to update and new pages are easily added. Designed for collaboration while maintaining a history of every change, DokuWiki could be used as a corporate knowledge base, private notebook, software manual, and project workspace. We support customization on all levels of expertise. From easy configuration via the admin interface through downloading of templates.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    Foswiki
    Foswiki is an Enterprise wiki, typically used to run a collaboration platform, knowledge base or document management system. Users can create wiki applications using the Topic Markup Language, and developers can extend its functionality with plugins. Foswiki stands for "Free and Open Source" wiki to emphasize its commitment to Open Source software.
    Downloads: 10 This Week
    Last Update:
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  • Rezku Point of Sale Icon
    Rezku Point of Sale

    Designed for Real-World Restaurant Operations

    Rezku is an all-inclusive ordering platform and management solution for all types of restaurant and bar concepts. You can now get a fully custom branded downloadable smartphone ordering app for your restaurant exclusively from Rezku.
    Learn More
  • 10
    WackoWiki

    WackoWiki

    WackoWiki is a light and easy to install multilingual Wiki-engine.

    WackoWiki is a light and easy to install multilingual Wiki-engine. Supports WYTIWYG-editing, page rights (ACLs), design themes (skins), file upload, email notification and much more. Compatible with PHP 8.0 - 8.5 and MariaDB / MySQL / SQLite.
    Downloads: 13 This Week
    Last Update:
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  • 11
    Outline

    Outline

    Fastest wiki and knowledge base for growing teams

    A modern team knowledge base for your internal documentation, product specs, support answers, meeting notes, onboarding, & more. An intuitive editor with markdown support, slash commands, rich embeds, and more. Beautiful documents, without even trying. Search and share documents without ever leaving your team chat. Nest documents in a hierachy, automatically build a network of backlinks and search across everything. Onboard new team members easily through internal guides, resources, and checklists. Give new team members a leg up getting to know your product, best practices, and culture. Don't lock away your company handbook in a PDF document hidden on a shared drive. Make it accessible, searchable and easily updatable so everyone can find the information they need. Whether your team are seasoned remote workers or new to working from home. Outline is a great place to keep your team’s shared knowledge accessible, searchable, and coordinated.
    Downloads: 1 This Week
    Last Update:
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  • 12
    vimwiki

    vimwiki

    Personal Wiki for Vim

    Vimwiki is a personal wiki for Vim, interlinked, plain text files written in a markup language. Organize notes and ideas and quickly create links between them, manage todo-lists, and write a diary. VimWiki is a personal wiki for Vim, a number of linked text files that have their own syntax highlighting. See the VimWiki Wiki for an example website built with VimWiki! Three markup syntaxes supported, Vimwiki's own syntax, Markdown, MediaWiki. Export everything to HTML, link to other wiki pages and external files, search through all wiki pages. Outline notes and tasks in indented lists, quickly manipulate numbered and bulleted lists, tag wiki pages or arbitrary places and quickly jump to tags, abd auto-formatted tables. A VimWiki link can be constructed from more than one word. Just visually select the words to be linked and press Enter.
    Downloads: 1 This Week
    Last Update:
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  • 13
    ciwiki

    ciwiki

    Personnal or familly wiki with low ressource requirement.

    Personal lightweight wiki based on DidiWiki. Upgraded to accept text and highlight color, image resize and video (youtube, dailymotion...) embedded. Written in C, doesn't require a lot of RAM. Works fine on Raspbian (Raspberry Pi). Example of Ciwiki running on Raspberry Pi B+ (700MHz, 512MB): http://inphilly.dyn.dhs.org
    Downloads: 10 This Week
    Last Update:
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  • 14
    Famous Family Trees

    Famous Family Trees

    A Collection of Gedcom Files from Famous Family Trees

    A platform and beginning content for depicting genealogy information of any kind that can effectively use the gedcom format, including biological species, corporations, fictional characters, religious figures etc. Initially just content is provided.
    Downloads: 14 This Week
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  • 15
    Downloads: 12 This Week
    Last Update:
    See Project
  • 16
    xowa

    xowa

    A free, open-source, offline Wikipedia application

    XOWA is a desktop application for reading and editing Wikipedia offline (XOWA has moved to http://gnosygnu.github.io/xowa/download.html)
    Downloads: 2 This Week
    Last Update:
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  • 17
    MathJax
    MathJax is a modular javascript framework for including mathematics in web pages. It can take input in various formats, like TeX and MathML, and can produce output in various forms, such as MathML or HTML-with-CSS. Components are loaded as needed.
    Downloads: 2 This Week
    Last Update:
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  • 18

    DocJGenerator

    Wiki generator and Java Help System

    Allows to generate a wiki (interlinked HTML files) from a bunch of XML formatted files. It also allows to add a Help-system to a Swing or JavaFX application. Also it is also possible to generate a PDF, Word (docx), or epub document rather than a wiki. The tool also provides a visual editor to edit the wiki. The project also support both the Mediawiki and Markdown syntax.
    Downloads: 6 This Week
    Last Update:
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  • 19
    Piggydb

    Piggydb

    Piggydb helps you have more fun with knowledge creation.

    Piggydb is a flexible and scalable knowledge building platform that supports a heuristic or bottom-up approach to discover new concepts or ideas based on your input. You can begin with using it as a flexible outliner, diary or notebook, and as your database grows, Piggydb helps you to shape or elaborate your own knowledge. Piggydb is a Web application provided as a self-contained package that contains a Web server and database engine. With Piggydb, you can create highly structured content by connecting knowledge fragments to each other to build a network structure, which is more flexible and expressive than a tree structure. Fragments can also be classified using hierarchical tags.
    Downloads: 2 This Week
    Last Update:
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  • 20
    dot net tool to convert from csv, or excel to wiki table format. Useful to import your data in wiki.
    Downloads: 4 This Week
    Last Update:
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  • 21
    PrinceTiddlyWiki is a TiddlyWiki Adaptation, it is separated the code of TiddlyWiki core javascript and extensiones into external js files.
    Downloads: 2 This Week
    Last Update:
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  • 22
    Booktype

    Booktype

    Open source platform to write and publish print and digital books

    Booktype makes it easier for people and organisations to collate, organise, edit and publish books. Delivering frictionlessly to print, lulu.com, and almost any ereader, Booktype facilitates collaborative production processes. No more lost manuscripts, overwritten Word files, awkward wikis or cumbersome CMSes.
    Downloads: 2 This Week
    Last Update:
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  • 23
    MOCA stands for MediaWiki Ontology Convergence Assistant. This extension tries to improve the usability and effect of the Semantic MediaWiki extension.
    Downloads: 2 This Week
    Last Update:
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  • 24
    A mediawiki extension supplying a set of parser functions to generate and display graphviz, freemind and hypergraph graphs from the content of a semantic mediawiki, and parsing an uploaded freemind file.
    Downloads: 1 This Week
    Last Update:
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  • 25
    Very Quick Wiki is a Java Server Pages based WikiWikiWeb clone. It's goal is to be as lightweight but as functional as possible. It is deployed by dropping a single war file into any J2EE web container without any extra installation processes.
    Downloads: 1 This Week
    Last Update:
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