Flat.io is described as 'Collaborative online score editor with real-time music notation, browser-based editing, percussion support, file compatibility, history tracking, and Google Hangouts integration' and is a music production app in the audio & music category. There are more than 10 alternatives to Flat.io for a variety of platforms, including Windows, Mac, iPad, iPhone and Web-based apps. The best Flat.io alternative is MuseScore Studio, which is both free and Open Source. Other great apps like Flat.io are Guitar Pro, LilyPond, Avid Sibelius and Songsterr.
Compose, arrange, and share music using free, open-source software for Windows, Mac, and Linux with integrated playback, fast note entry, MIDI, MusicXML, PDF support, multilingual UI, and direct connection to an online sheet music community for sharing scores.
Guitar Pro enables editing tablatures for guitar, bass, and more, with support for piano and drums. It features a realistic audio engine, interactive practice tools, and access to thousands of online tabs, facilitating music composition and transcription.
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.
Professional music notation software for Windows and macOS featuring intuitive, task-based score creation, MIDI and onscreen input, up to 16 staves, guitar tab conversion, Magnetic Layout, dynamic parts updates, text and lyric support, scanning tools, and expressive playback.
Songsterr is an archive of guitar, bass and drum tabs. It is collaboratively built and maintained by your fellow music lovers. Anyone with Internet access can contribute new tabs and make changes to existing ones.
alphaTab is a cross platform music notation and guitar tablature rendering library. You can use alphaTab within your own website or application to load music sheets from files like Guitar Pro or use the built in markup named alphaTex.
StaffPad is a brand new class of notation app, designed to take advantage of the advanced pen and touch input found on Microsoft Surface* and other compatible Windows 8.1 devices. As you write notation using the pen, StaffPad recognises your handwritten music and converts it...
DaCapo Editor is a free Open Source music sheet editor which allows to easily create nice looking partitions. It is available as a web application as well as a desktop application for Windows, MacOS and Linux.
Noteflight is an amazing online notation editor. On the free version you get 10+ instruments to choose from, lots of musical symbols and more. On the payed version (Cresendo) you get lots more instruments, guitar tab and sharing options. Best way to wite music on the web.
Bring musical inspirations to life with the blazingly fast and intuitive Notion™ 6 music composition and performance environment. Compose when and how you want and even enter music with your own handwriting.
Dispatch re-typing of sheet music to a nuisance of the past! Let capella-scan transform your sheet music quickly into a ringing score that is ready for editing and printing. capella-scan has put an end to the laborious task of typing out notes.
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similar funcionality, but lacking proper iPad/iPhone support