Alternatives to Helio

Open-source music notation software

Digital audio production application

Multi-track audio editor and recorder

Free cross-platform office suite, fresh version

Interactive sequencer for intermedia art

Open-source DJ software

Server, language, and IDE for sound synthesis and algorithmic composition

Note taking and to-do application with synchronisation capabilities

Tool for editing metadata of audio files including MP3, FLAC, OGG, and more

Audio editor

Sound and music editor

Music tagger