interfacelab

NOTE: This plugin requires PHP 7.1x or higher
The ILAB Docs plugin allows you to integrate help documentation for your WordPress theme or plugin directly 
into the WordPress admin.
Documentation is written in Markdown, with special extensions that make writing documentation in markdown easy. These 
extensions allow linking to other markdown files, linking to admin pages, video embeds, displaying a table of contents 
and other features. ILab Docs also has integrated search functionality for easily searching your documentation.
For examples integrating this documentation plugin with your plugin or theme, check out these examples:
<ul>
<li><a href="https://github.com/Interfacelab/ilab-docs-example-plugin" rel="nofollow ugc">Example plugin with documentation</a></li>
<li><a href="https://github.com/Interfacelab/ilab-docs-example-theme" rel="nofollow ugc">Example theme with documentation</a></li>
</ul>

WP Help Docs

Directly integrate markdown based help documentation for your WordPress theme or plugin into the WordPress admin for your end users and clients.

WEN Solutions

WP Documentation Lite is an flexible but easy to use plugin that will boost up the normal speed of creating a documentation. The plugin provides beautiful layout, features and settings that will make your documentation easy, readable and attractive. The plugin accepts various range of file types, embeds and code snippets which makes it the ultimate necessity whilst creating a dynamic documentation.
The compatibility of the plugin is also one of the features why it is one of the top plugins to choose form while creating a documentation. It can also be modified very easily through custom templates and hooks according to your requirement.
More Pro Features
WP Documentation Pro: <a href="http://themepalace.com/downloads/wp-documentation-pro/" rel="nofollow ugc">Detail</a> | <a href="http://wensolutions.com/documentation/wp-documentation-pro/" rel="nofollow ugc">Demo</a>
<ul>
<li>Multiple Documentation & Categorization</li>
<li>Drag and Drop</li>
<li>Nestable Sections</li>
<li>Suggestion Form</li>
<li>Like / Dislike</li>
<li>Custom class and CSS</li>
<li>Email, Copy and Print</li>
<li>Document Archive Listing</li>
<li>Themes</li>
<li>Compatibility</li>
<li>Modification through Hooks and Templates</li>
<li>Great Support and Documentation</li>
<li>New Features & Updates</li>
</ul>
Plugin : <a href="http://themepalace.com/downloads/wp-documentation-lite/" rel="nofollow ugc">Homepage</a> 
If you like this plugin, please <a href="https://wordpress.org/support/view/plugin-reviews/wp-documentation-lite/" rel="ugc">rate and review</a>. If you have any question, suggestion or issue, please <a href="http://themepalace.com/forum/wp-documentation-lite" rel="nofollow ugc">post here</a>.

WP Documentation Lite

Creating online documentation has never been this easy!

WP Help Docs vs WP Documentation Lite