Adding a User Management section, and adding in Stormpath.
Added GoSquared, Datadog and Rsync.net
Update README.md
Add buddycloud
Add pinitto.me
Update Graphite URL
Add Enpass to the Password Management category
Add DBaaS Orchestrate.io
Fixes typo from discourse.org about page
Remove Coalmine from Error/Exception Handling

The service has gone away, it's just a domain placeholder now.

https://www.getcoalmine.com/ - No server there anymore.
http://www.getcoalmine.com/  - Redirects to http://ww2.getcoalmine.com/ which is a domain placeholder.
inaccurate pricing info for Datomic

Removing pricing info for Datomic as it is inaccurate, and there isn't an easy way to include pricing info because it is so variable/tiered; free versions etc. At the least, the /mo. should be removed.
Merged changes
Add Tomatoes to "Personal Productivity" section
Added Hydna to WebSockets-aaS
Fixed Pie url
Added Get Satisfaction to Customer Feedback/Surveys
Add info and link to Flowdock
remove duplicate entry: Semaphore
edit Pie url
Added Sketch app to Prototyping/Mockups section