Tobu is described as 'freeform information organizer' and is an app in the Office & Productivity category. There are more than 50 alternatives to Tobu for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is Microsoft OneNote, which is free. Other great apps like Tobu are Evernote (Freemium), Simplenote (Free, Open Source), CherryTree (Free, Open Source) and Zim (Free, Open Source).
Colorful & powerful sticky notes app for Windows & Phones. Set reminder alarms, attach them to any website or document, organize them using folders/tags, sync sticky notes between devices & send notes across LAN or to any contact across the globe.