Documize - Enterprise-grade wiki and knowledge management platform
Keep My Notes - Keep My Notes is a fantastic mobile application that allows you to create notes and organizes your notes in the folder efficiently.
HackMD - Fast and flexible, real-time collaborative markdown, inspired by Hackpad.
ClevNote - ClevNote is an amazing mobile application that helps you to write the daily memos on your smartphone.
ReadTheDocs - Spend your time on writing high quality documentation, not on the tools to make your documentation work.
Notes Taking - Notes Taking app contains features to enable you to take your note-taking experience to a whole new level by getting complete control of your digital notes.