"logan" is a Ruby gem constructed to interact with the Basecamp API. Currently on version 0.1.1 at the time of this submission, the gem appears to be well supported and documented, compatible with the new Basecamp API. Though not officially built by Basecamp's provider, 37Signals, "logan" is fully endorsed by Basecamp on their GitHub channel and developer site.
Microsoft continued its expansion of its Graph API portfolio with multiple API announcements at its latest Build developer conference. Specific API announcements include updates to SharePoint, OneNote, Planner, and translator APIs. Additionally, new Insights APIs were announced.
Need to get organized but fearful of the hairball of project management applications? Breeze, started by Rene Vahtel, offers tools that take nearly zero time to understand, so you can focus on the results for the project without getting bogged down in learning how to use the planning tools.