QOwnNotes is the open source (GPL) plain-text file notepad with markdown support and todo list manager for GNU/Linux, Mac OS X and Windows, that (optionally) works together with the notes application of ownCloud.
Please feel encouraged to help to make QOwnNotes available in your favorite language!
Feel free to send me a message if you want to translate QOwnNotes to a new language.
https://crowdin.com/mail/compose/pbek