Import .xls .csv, .tsv files and start managing your data collaboratively over the web. Incorporate complex logic in Deluge scripting language effortlessly using Script Builder. Make your forms and views available in your website and blog.
Zoho's got something new: Notebook. If you've used Microsoft's OneNote, you'll grok it pretty quickly. It's a content editing system that lets you create multiple sheets in one document; great for big, complex projects.