Tomdroid is described as 'The aim of this project is to bring the same goodness to the Android platform. The goal is to be file format compatible and be able to sync notes with tomboy. Of course, keeping a great UI adapted to the mobile context is also a goal of this project' and is an app in the Backup & Sync category. There are more than 50 alternatives to Tomdroid for a variety of platforms, including Windows, Android, iPhone, Mac and Online / Web-based. The best alternative is Joplin, which is both free and Open Source. Other great apps like Tomdroid are Standard Notes (Freemium, Open Source), Google Keep (Free), Microsoft OneNote (Freemium) and Evernote (Freemium).
Rebel aims to provide you a distraction-free note taking experience. Focus more on writing and less on formatting and saving. As you write your note, Rebel will format it based on your markdown syntax.
USticker is free of charge version of "MakerX" app. USticker is notebook app for your iPhone or iPad with set of tools for organizing. The app lets you make quick notes with sketch/photo-sketch and categorize ones with special very efficient markers for organizing.
Write beautifully. Organize easily. Find everything. Fuss free writing. Saves notes as RTF files on user specified folder. Can search across all notes. No sign up/log in required. Portable application.