Catch Notes is described as '(Was 3banana/snaptic) With You Wherever You Go Easily snap notes and photos from the web and our app 3banana on Android or iPhone. Sync your account and use your notes when you need them. Your Notes are Secure' and is a popular app in the Office & Productivity category. There are more than 25 alternatives to Catch Notes for a variety of platforms, including Windows, Android, Mac, Online / Web-based and iPhone. The best alternative is Google Keep, which is free. Other great apps like Catch Notes are Microsoft OneNote (Freemium), Evernote (Freemium), Zoho Notebook (Free Personal) and Tomboy (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.
NixNote, formerly Nevernote, is an open source client for Evernote . It is written in Java so it will also run on Windows & OS-X, but the primary focus has been to try and get a usable environment for Linux.