What are some alternatives?
When comparing EtherCalc and Asana, you can also consider the following products
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
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.
LibreOffice - Calc - LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.
Basecamp - A simple and elegant project management system.
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.