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TWiki

TWiki is a free, open-source wiki and collaboration platform for intranets, extranets, or public web applications.

Place
#19 of 33
Score
6.6
TWiki's website

What TWiki is

TWiki is a free, open-source wiki and collaboration platform for intranets, extranets, or public web applications. Its structured content, forms, variables, and plugins let teams assemble custom wiki applications and workflows. Users create and edit pages in a browser, with automatic links, formatting rules, and full-text search that supports regular expressions. TWiki records page and attachment revisions, making it possible to restore earlier versions and compare changes. Administrators can apply detailed read and write permissions to users and groups. Plugins extend the software without changing its core; developers can build plugins in Perl through the plugin API. TWiki runs from a web server, and its production guidance covers Apache on Linux while pointing to notes for other environments. Installation requires web server administration, Perl 5, shell commands, and RCS; extensions may add requirements. TWiki is released under the GNU General Public License. Support is not included, though documentation, a user forum, and IRC channel are listed as community resources.

Good

  • Free software under the GNU General Public License
  • Detailed read and write permissions
  • Tracks revisions of pages and attachments
  • Plugins can be developed in Perl
  • Includes full-text search with regular expressions

Watch out

  • Installation requires web server administration
  • Requires Perl 5, shell commands, and RCS
  • Support is not included

Who it suits

TWiki may suit teams building an intranet, knowledge base, FAQ, project documentation, issue tracker, or document-management workflow. It is for organizations able to administer a web server and handle its listed requirements.

Verdict

TWiki offers substantial control over structured wiki content and permissions, but installation calls for server expertise. Teams should also plan for community resources or separately hired consultants rather than included support.

Plans and prices

From TWiki's own pricing page, checked 5 Oct 2026.

All about pricing
PlanPriceWhat it gives you
TWikiFreeGPL software · Perl CGI source code, templates, and documentation available for free · requires web server administration to install

The facts

Each one read from TWiki's own pages, with the date it was checked.

What it does

Access controls
Administrators can set fine-grained read and write restrictions for users and groups.checked 5 Oct 2026
Deployment
TWiki is installed on a web server; its installation guide covers the production release on Apache on Linux and refers to notes for other platforms and environments.checked 5 Oct 2026
Editing and search
Users can create and edit pages in a web browser, with automatic links, text formatting rules, and full-text search that supports regular expressions.checked 5 Oct 2026
Extensions
Plugins extend TWiki without changing its core code, and developers can create plugins in Perl using the plugin API.checked 5 Oct 2026
Integration example
TWiki’s LdapContrib package can use LDAP for authentication, user mapping, and authorization, including LDAP groups in access control lists.checked 5 Oct 2026
Intended users
The site describes uses including replacing an intranet, running a knowledge base or FAQ, documenting software projects, tracking issues, and managing documents.checked 5 Oct 2026
License
TWiki’s site states that the software is released under the GNU General Public License.checked 5 Oct 2026
Purpose
TWiki is an open-source enterprise wiki, collaboration platform, and web application platform for intranets, extranets, or the Internet.checked 5 Oct 2026
Requirements
The server requirements include Perl 5, shell commands, and RCS; plugins and add-ons may have additional requirements.checked 5 Oct 2026
Revision history
TWiki tracks changes to pages and attachments and lets users retrieve earlier revisions and compare differences.checked 5 Oct 2026
Security alerts
The project asks administrators to join the twiki-announce list for high-priority security alerts and describes a process for reporting potential security issues to its security team.checked 5 Oct 2026
SSO support
Yeschecked 20 Sep 2026
Structured wiki
Users can build custom wiki applications and workflows using TWiki’s structured content, forms, variables, and plugins.checked 5 Oct 2026
Support
TWiki is free software and does not include support; its site points users to documentation, a user forum, and an IRC channel, and offers consultants for hire.checked 5 Oct 2026
Version history
Yeschecked 20 Sep 2026

The company

Founded
1998checked 28 Sep 2026

Money

Free plan
Yeschecked 20 Sep 2026

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