Dani Llewellyn

This plugin will add a new post type which will display your plugin readme pulled directly from the WordPress.org API. It will show on your site complete with appropriate download links.
Portions of code are heavily influenced by <a href="https://wordpress.org/plugins/i-make-plugins/" rel="ugc">I make plugins</a> by 
<a href="https://profiles.wordpress.org/markjaquith/" rel="nofollow ugc">Mark Jaquith</a>.

I'm A Plugin Developer

Showcase the plugins you have in the WordPress.org Plugin Directory on your own site.

PiotrPress

Clearcode

This plugin allows you to deploy your WordPress site source code from git repository using webhooks.
Automatically pull from a repository to a web server. You can configure which branch is triggering the pull action. 
After each deployment plugin saves the status to logs which are available through wp-admin and also are sent by email.
Supported git repository hosting services: 
* <a href="https://github.com/" rel="nofollow ugc">Github</a> 
* <a href="https://bitbucket.org/" rel="nofollow ugc">Bitbucket</a> 
* Stash

CC-Deploy

This plugin allows you to deploy your WordPress site source code from git repository using webhooks.

I'm A Plugin Developer vs CC-Deploy