Guitar Pro, Band-in-a-Box, MuseScore, Finale, TuxGuitar, StaffPad, NoteWorthy Composer, Frescobaldi, Instrument Bible, LilyPond, Busker, Symphony Pro, Canorus Music Score Editor, musagi, music21, Noteflight, FORTE Music Notation Software, alphaTab, ScoreCloud Studio, Overture, Melody Assistant, capella, Impro-Visor, PreSonus Notion, DaCapo Editor, Opusmodus, Dorico, capella-scan, Pizzicato, tonica fugata, ABCJ, MagicScore, DGuitar, Reflow, Denemo, Aered, EasyABC, Harmony Assistant, Notation Player 3, capella melody trainer, Musink Lite, NoteEdit, Music Studio Independence/Producer, MC Musiceditor, Noteability Pro, Scolily, MusiCAD, ABCEditor, MusicDisruption, ABCexplorer, capella playAlong, Tabular are some alternatives to Avid Sibelius.