Linux Softwares to MIDI Support

SunVox is a compact yet powerful modular synthesizer and tracker-based music production environment for creating electronic music on various platforms.

UltraStar Deluxe is a free and open-source karaoke game that allows players to sing along to their favorite songs and music videos. It scores players based on their pitch accuracy compared to the original track, offering a fun and interactive singing experience.

Pure Data (Pd) is a widely-used graphical programming environment developed by Miller Puckette. It provides a visual interface for creating interactive computer music, multimedia works, and various forms of digital art through signal processing and event modeling.

TuxGuitar is a robust, free, open-source tablature editor designed for guitarists, bassists, and drummers. It allows users to create, edit, and play musical scores and tablatures with MIDI support, offering a portable and customizable environment for music composition and learning.

MuseScore is a powerful and free open-source scorewriter software enabling musicians to create, edit, and print sheet music. It offers a user-friendly interface with comprehensive tools for composition, arrangement, and playback across Windows, macOS, and Linux platforms.

LilyPond is a powerful and flexible music engraving program designed to produce high-quality sheet music. It focuses on automated layout and beautiful typography, relying on a textual input language.