On the first sight, i looks, that it is not free anymore. BUT this is not true! Scroll down and select Magix MusicMaker FREE edition
See here: https://www.magix.com/us/music/
Think about an emulator of a 8Bit Homecomputer, that never existed! But it's emulated and it has his own Developer Framwork, Community, Games!
Link: https://www.lexaloffle.com/pico-8.php