MusE
MusE is a MIDI/Audio sequencer with recording and editing capabilities written originally by Werner Schweer now developed and maintained by the MusE development team. MusE aims to be a complete multitrack virtual studio for Linux. It is published under the GNU General Public License.
Visit the MusE web site at: https://muse-sequencer.github.io/
Most Linux distributions include MusE ready to install, check your package manager.
Installation from source code:
Stable source code releases are here. Or one of the git branches can be cloned, built, and installed.
Installation instructions are in the README file.
Documentation:
These and other important documents, READMEs, and addendums are in the src directory.
The official MusE Manual (work in progress) has migrated to the wiki and can be found here.