What are some alternatives?
When comparing MC Musiceditor and RapidComposer, you can also consider the following products
MuseScore - 24 Sep 2012 . Design a homepage that captures attention and serves as a good starting point for navigating the website.
Odesi - ODESI is a music sketchpad that exports your projects to Audio and MIDI.
TuxGuitar - A Multitrack tablature editor and player.
Captain Chords - Write chord progressions in your favorite DAW
Guitar Pro 7 - Create, play and share your tabs
Helio Workstation - Cross-platform lightweight speed-painting tool for creating music.