25+ Tools and Services to use in a SharePoint software company

After publishing ‘Running a SharePoint software company‘ I got a lot of thank you’s for mentioning Trello. (Apparently, not many had heard of it). Anyway, this got me thinking. Wouldn’t it be great to put together a list showing some of the tools and services that we use (or are recommended) to use in your company ? So here it is :

(Please vote and comment as I would love to see what your thoughts are. Also why not suggest alternatives by using the “Add to List” button).