co-authors

And yeah, you two should probably gang up :)

As Framebench, we set out to build a really cool and fast visual collaboration platform which, over the past 3 years, enabled more than a 1000 companies to annotate and communicate on visual files in real time.

Does Google Sheets work as a collaborative to do app? I'd say it's best as a personal to do list, but you can definitely share it like you would any other spreadsheet and turn it into a team app. Because of the detailed revision history, you don't have to worry about losing something because a coworker accidentally changed it.

I BM GroupTalk