What are some alternatives?
When comparing EtherCalc and Basecamp, you can also consider the following products
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.
Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
Teamwork Projects - The Project Management App for Professionals. The most powerful and simple way to collaborate with your team.