The open LMS by Instructure, Inc.

Rack middleware for blocking & throttling

Ruby finite-state-machine-inspired API for modeling workflow

WEBDAV Handler for Rack

A Ruby library to help implement IMS LTI tool consumers and providers

Natural sort algorithm

SSL Requirement plugin

an example of using LTI and the Outcomes Service in Instructure Canvas

Command-line tool for adding Gerrit comments

An LTI Provider application to integrate the Evernote service into an LMS.

Like acts as state machine (aasm), but _way_ better (it's in Ruby too!)

Wiziq canvas Module

inline tickets macro for redmine

WEBDAV Handler for Rack

SSL Requirement plugin