Setup your .NET forms to use foreign key drop downs
Add global content and objects to every view within your .Net application
Restrict controller actions to users with specific roles, and base them upon controller parameters.
Mail Queue provides an easy and simple way to send email. Each email is saved and queued up either in real time or with Celery.
TeamPlay is a web app for team communication that you can run yourself! It is similar to Github's internal 'Team' app, including a free form commenting/message board and displays of recent deployments from your team.
Rocket Python is an API wrapper for Rocket.Chat. It currently only supports a few calls, but is constantly being improved.