Kamal with the TLS on demand feature.

Service management tool for distributed system node

Heartbeat server IPs to S3

Get the number of comments and articles per month from Nogizaka46's blog

Dynamic DNS updater for No-IP

CLI to download photos from several online services including Instagram, Imgur albums, Flickr albums, Tumblr, App,net, etc.

Rack based web framework

Command line interface for norad.

Gem to help with serverspec.

Gem to help with running Rspec.

Norikra is a open source server software provides "Schema-les Stream Processing" with SQL, written in JRuby, runs on JVM, licensed under GPLv2.

Generates DOT3 bump maps, also known as normal maps, for use in 3D computing.

A cli to develop custom templates for and upload to SchoolKeep.

Generate a Rails app using nosolosoftware's stack.

Provides Nagios-like notification configuration & schedules

A general purpose popup notifier sender/receiver using WebSockets (via Pusher)

You can manage notion with YAML file.

This gem integrates Notion meeting notes into your Orbit workspace

Noumenon is a content management system designed to support being extended with Sinatra applications. It's currently in an early stage of development, but right now you can create a basic static site using templates from a theme which specify the structure and presentation of your content, and YAML files which specify the actual content to place in those templates. Future development will include an end-user friendly web interface for editing and creating content, while retaining the ability for developers and designers to manage the site's presentation using the tools they're most comfortable with.

Software management system.