Anvil Studio is a multitrack MIDI and audio editing, digital audio workstation software. Developed by Willow Software
License: Free
Apps available for Windows
Sibelius is a music notation software. Developed by Avid
License: Commercial
Apps available for Mac OS X Windows
Anvil Studio is ideal for beginners and casual musicians focusing on MIDI and audio recording, while Sibelius offers a comprehensive solution for professional composers and arrangers seeking advanced notation and scoring features.