Stave'n'Tabs!

MuseScore is a free music notation and composition software available for Linux, Windows and Mac.

With TuxGuitar, you will be able to compose music using the following features

Guitar Pro is first and foremost a program designed to edit tablatures for guitar, bass, and other fretted instruments from 4 to 8 strings.

Sibelius is the world’s best-selling music notation software, trusted by top composers, publishers, and students alike. With Sibelius 7.5, you can express, accelerate, and promote your creativity in more ways than ever before, enabling you to deliver beautiful, professional scores faster and share audio and video versions of your work—with stunningly realistic musical phrasing—to make your talent stand out from the crowd. It’s the fastest, smartest, easiest way to write music for live performance, film and television, media entertainment, or in the classroom. »

GNU LilyPond is a computer program for music engraving. One of LilyPonds major goals is to produce scores that are engraved with traditional layout rules, reflecting the era when scores were engraved by hand. It uses a simple text notation for music input, which LilyPond interprets and processes in a series of stages. In the final stage, music notation is output to PDF (via PostScript) or other graphical formats, such as SVG or PNG. LilyPond also has the facility to generate MIDI files that correspond to the music notation output. »

GNU Denemo is a music notation editor that lets you rapidly enter notation for typesetting via the LilyPond music engraver. You can compose, transcribe, arrange, listen to the music and much more.

Finale is proprietary scorewriting software developed by MakeMusic, Inc. It displays music primarily in music notation and allows for multiple tracks and very specific tweaking of instrument sounds for each track.

Midi Sheet Music is a free program that plays MIDI music files while highlighting the piano notes and sheet music notes.

ScoreCloud, free software that instantly turns your songs into sheet music. As simple as that!

Aria Maestosa is an open-source (GPL) midi tracker/editor. It lets you compose, edit and play midi files with a few clicks in a user-friendly interface offering keyboard, guitar, drum and controller views.

Band-in-a-Box is so easy to use! Just type in the chords for any song using standard chord symbols (like C, Fm7, or C13b9), choose the style you'd like, and Band-in-a-Box does the rest... Band-in-a-Box automatically generates a complete professional-quality arrangement of piano, bass, drums, guitar, and strings or horns.

Encore is the standard in professional music notation. Its powerful transcribing and editing capabilities help musicians of all levels get their ideas into print. Fast, accurate, and easy to use, Encore allows you to create beautiful printouts of your scores - using up to 64 separate staves. Whether you're creating motion picture scores, orchestral arrangements, choir songbooks, or teaching music in school, Encore is second to none.

Reflow is a music notation app that runs on iPhone, iPad and Mac. It is a 100% Native app that supports iCloud sync and latest Mac OS X features such as Versions, Autosave and Fullscreen.

TablEdit is a program for creating, editing, printing and listening to tablature and sheet music (standard notation) for guitar and other fretted, stringed instruments, including mandolin and bass.

NoteAbilityPro is a Professional Music Notation program for Macintosh OS-X