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.

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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  • Next-Gen Encryption for Post-Quantum Security | CLEAR by Quantum Knight Icon
    Next-Gen Encryption for Post-Quantum Security | CLEAR by Quantum Knight

    Lock Down Any Resource, Anywhere, Anytime

    CLEAR by Quantum Knight is a FIPS-140-3 validated encryption SDK engineered for enterprises requiring top-tier security. Offering robust post-quantum cryptography, CLEAR secures files, streaming media, databases, and networks with ease across over 30 modern platforms. Its compact design, smaller than a single smartphone image, ensures maximum efficiency and low energy consumption.
    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: 86 This Week
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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: 9 This Week
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  • 3
    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: 115 This Week
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  • 4
    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: 63 This Week
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  • Free and Open Source HR Software Icon
    Free and Open Source HR Software

    OrangeHRM provides a world-class HRIS experience and offers everything you and your team need to be that HR hero you know that you are.

    Give your HR team the tools they need to streamline administrative tasks, support employees, and make informed decisions with the OrangeHRM free and open source HR software.
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  • 5
    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.
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    Downloads: 31 This Week
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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: 14 This Week
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  • 7
    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
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  • 8
    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: 2 This Week
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  • 9
    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: 6 This Week
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  • Payments you can rely on to run smarter. Icon
    Payments you can rely on to run smarter.

    Never miss a sale. Square payment processing serves customers better with tools and integrations that make work more efficient.

    Accept payments at your counter or on the go. It’s easy to get started. Try the Square POS app on your phone or pick from a range of hardworking hardware.
    Learn More
  • 10
    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: 5 This Week
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  • 11
    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: 1 This Week
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  • 12
    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: 3 This Week
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  • 13
    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: 3 This Week
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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
    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: 4 This Week
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  • 16
    This is the home of the old MindTouch Platform and Core. This project was turned over to the community in 2010. Please visit www.MindTouch.com for the most up to date version of MindTouch--software that accelerates customer success. More info on the old Core and Platform: http://mndt.ch/oss-dep Thanks for your interest and for making the old MindTouch open source one of the most popular (top 5) open source projects in the world from 2007-2010. Some key terms commonly associated with this project are: customer support, self service support, customer success center, help center, enterprise wiki, etc
    Downloads: 1 This Week
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  • 17
    Downloads: 5 This Week
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  • 18
    XExternalEditor
    Change documents within a MediaWiki with a click! Open a document via the external editor and save it back. Licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. http://creativecommons.org/licenses/by-nc-sa/3.0/
    Downloads: 1 This Week
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  • 19
    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: 1 This Week
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  • 20
    MediaWiki Community Edition For Intranet

    MediaWiki Community Edition For Intranet

    The Free & Popular MediaWiki Web Software in Complete Virtual Machine

    This VM is created for 2 reasons: 1. Very little initial setup work required to make MediaWiki live, within minutes. 2. This system should keep running for Years, without requiring Updates / Breakages. If you are new to Virtual Machines, then please watch Video below ( taken from my other project. just replace td with mw wherever mentioned ) After starting this VM, please login to its administration panel with: Website Address: https://mw.local/ ( Accept Any Warnings Due to Usage of Self-Signed https Certificates ) Admin Username: admin Admin Password: change_this from any PC on your Local Network. Explore all the Left Side Menu Options & User Guide, before starting any page entry. Some Demo Page Data is also loaded for info sake. Feel free to clear them, as required. Once setup & running, please ensure that a Backup of system, is taken regularly, to avoid any issues. These are covered in the video. Google Search helps in finding more about MediaWiki.
    Downloads: 1 This Week
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  • 21

    Spam Board

    A web forum written in PHP using a selectable SQL backend

    Spam Board is a forum software (or bulletin board, if you prefer that term) written in PHP and using an SQL database as backend. A wiki engine is available as an optional add-on.
    Downloads: 1 This Week
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  • 22
    XSLT-based converter from WordProcessingML (XML format generated by Microsoft Word 2003 and 2007) into MediaWiki markup language
    Downloads: 1 This Week
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  • 23
    Agrifriend a agriculture information system is web based application using LAMP architecture , aim of this project is provide the information needed for farmers(focusing on Indian farmer ) ,to make them to be upto date with happenings in their field.
    Downloads: 0 This Week
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  • 24
    This is a "high-end" wiki system based on the Django framework for Python. Intention of this project was to write a transparent wiki system which allows direct editting of HTML on wiki pages. Notice: Recent code is available on the Launchpad(!) project page: https://launchpad.net/aintnowiki/
    Downloads: 0 This Week
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  • 25
    Small and lightweight MediaWiki interwiki robot. Aimed specially for Wikimedia Foundation's projects.
    Downloads: 0 This Week
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