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A simple, Git-powered wiki with a sweet API and local frontend.

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gollum -- A git-based Wiki

Gem Version Build Status Open Source Helpers Cutting Edge Dependency Status

Gollum version 5.0 is out! See here for a list of changes and new features compared to Gollum version 4.x, and see some Screenshots of Gollum's features.


Gollum is a simple wiki system built on top of Git. A Gollum Wiki is simply a git repository of a specific nature: * A Gollum repository's contents are human-editable text or markup files. * Pages may be organized into directories any way you choose. * Other content can also be included, for example images, PDFs and headers/footers for your pages. * Gollum pages: * May be written in a variety of markups. * Can be edited with your favourite system editor or IDE (changes will be visible after committing) or with the built-in web interface. * Can be displayed in all versions, reverted, etc. * Gollum strives to be compatible with GitHub wikis (see

) * Gollum supports advanced functionality like: * UML diagrams * BibTeX and Citation support * Annotations using CriticMarkup * Mathematics via MathJax * Macros * Redirects * RSS Feed of latest changes * ...and more


Gollum runs on Unix-like systems using its adapter for rugged by default. You can also run Gollum on JRuby via its adapter for RJGit. On Windows, Gollum runs only on JRuby.


  1. Ruby is best installed either via RVM or a package manager of choice.
  2. Gollum is best installed via RubyGems:
    [sudo] gem install gollum

Installation examples for individual systems can be seen here.

To run, simply:

  1. Run:
    gollum /path/to/wiki
    is an initialized Git repository.
  2. Open
    in your browser.

See below for information on running Gollum from source, as a Rack app, and more.


Gollum allows using different markup languages on different wiki pages. It presently ships with support for the following markups: * Markdown (see below for more information on Markdown flavors) * RDoc

You can easily activate support for other markups by installing additional renderers (any that are supported by github-markup): * AsciiDoc --

[sudo] gem install asciidoctor
* Creole --
[sudo] gem install creole
* MediaWiki --
[sudo] gem install wikicloth
* Org --
[sudo] gem install org-ruby
* Pod -- requires Perl >= 5.10 (the
command must be available on your command line) * Lower versions should install
from CPAN. * ReStructuredText -- requires python >= 2 (the
command must be available on your command line) * Note that Gollum will also need you to install
for your Python 2. * Textile --
[sudo] gem install RedCloth

Markdown flavors

By default, Gollum ships with the

gem to render Markdown. However, you can use any Markdown renderer supported by github-markup. This includes CommonMark support via the
gem. The first installed renderer from the list will be used (e.g.,
will NOT be used if
is installed). Just
gem install
the renderer of your choice.

See here for instructions on how to use custom rendering gems and set custom options.


  1. git clone
  2. cd gollum
  3. [sudo] bundle install
  4. bundle exec bin/gollum
  5. Open
    in your browser.


Gollum can also be ran with any rack-compatible web server. More on that over here.

Rack, with an authentication server

Gollum can also be ran alongside a CAS (Central Authentication Service) SSO (single sign-on) server. With a bit of tweaking, this adds basic user-support to Gollum. To see an example and an explanation, navigate over here.


Gollum can also be ran via Docker. More on that over here.


Gollum can also be ran as a service. More on that over here.


Gollum comes with the following command line options:

| Option | Arguments | Description | | ----------------- | --------- | ----------- | | --host | [HOST] | Specify the hostname or IP address to listen on. Default: ''.1 | | --port | [PORT] | Specify the port to bind Gollum with. Default:

. | | --config | [FILE] | Specify path to Gollum's configuration file. | | --ref | [REF] | Specify the git branch to serve. Default:
. | | --bare | none | Tell Gollum that the git repository should be treated as bare. | | --adapter | [ADAPTER] | Launch Gollum using a specific git adapter. Default:
.2 | | --base-path | [PATH] | Specify the leading portion of all Gollum URLs (path info). Setting this to
will make the wiki accessible under
. Default:
. | | --page-file-dir | [PATH] | Specify the subdirectory for all pages. If set, Gollum will only serve pages from this directory and its subdirectories. Default: repository root. | | --static, --no-static | none | Use static assets. Defaults to false in development/test, true in production/staging. | | --assets | [PATH] | Set the path to look for static assets. | | --css | none | Tell Gollum to inject custom CSS into each page. Uses
from wiki root.3 | | --js | none | Tell Gollum to inject custom JS into each page. Uses
from wiki root.3 | | --no-edit | none | Disable the feature of editing pages. | | --follow-renames, --no-follow-renames | none | Follow pages across renames in the History view. Default: true. | --allow-uploads | [MODE] | Enable file uploads. If set to
, Gollum will store all uploads in the
directory in repository root. If set to
, Gollum will store each upload at the currently edited page.4 | | --mathjax | none | Enables MathJax (renders mathematical equations). By default, uses the
config with the
extension.5 | | --critic-markup | none | Enable support for annotations using CriticMarkup. | | --irb | none | Launch Gollum in "console mode", with a predefined API. | | --h1-title | none | Tell Gollum to use the first

as page title. | | --no-display-metadata | none | Do not render metadata tables in pages. | | --user-icons | [MODE] | Tell Gollum to use specific user icons for history view. Can be set to
. Default:
. | | --mathjax-config | [FILE] | Specify path to a custom MathJax configuration. If not specified, uses the
file from repository root. | | --template-dir | [PATH] | Specify custom mustache template directory. Only overrides templates that exist in this directory. | | --template-page | none | Use _Template in root as a template for new pages. Must be committed. | | --emoji | none | Parse and interpret emoji tags (e.g.
) except when the leading colon is backslashed (e.g.
). | | --lenient-tag-lookup | none | Internal links resolve case-insensitively, will treat spaces as hyphens, and will match the first page found with a certain filename, anywhere in the repository. Provides compatibility with Gollum 4.x. | | --help | none | Display the list of options on the command line. | | --version | none | Display the current version of Gollum. | | --versions | none | Display the current version of Gollum and auxiliary gems. |


  1. The
    IP address allows remote access. Should you wish for Gollum to turn into a personal Wiki, use
  2. Before using
    , you should probably read this first.
  3. When
    is used, respective files must be committed to your git repository or you will get a 302 redirect to the create a page.
  4. Files can be uploaded simply by dragging and dropping them onto the editor's text area when
    is used.

Config file


option is used, certain inner parts of Gollum can be customized. This is used throughout our wiki for certain user-level alterations, among which customizing supported markups will probably stand out.

All of the mentioned alterations work both for Gollum's config file (

) and Rack's config file (


Please consider helping out! See CONTRIBUTING for information on how to submit issues, and how to start hacking on gollum.


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