Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Robocode - Robocode is a programming game where the goal is to code a robot battle tank to compete against...
Standard Notes - A safe place for your notes, thoughts, and life's work
Colobot Gold - Colobot Gold is modified version of the original https://alternativeto.
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
FightCode - Fight Code is a game where you use your skills to code your own robots using JavaScript, challenge...