Abjad : a set of python tools for programmatically building scores as LilyPond document.

Acousmographe : a software to create graphical representations.

Acousmoscribe : an analytical software of electroacoustic music based on graphical representation.

Anarkomposer : music notation editor based on proportional spacing.

Animatednotation.com : a set of resources related to the field of animated notation.

Antescofo + AscoGraph : Antescofo is a modular polyphonic Score Following system, AscoGraph is an editor for Antescofo.

Bach : Automated Composer’s Helper (Max library).

Baroque.me : An interactive visualization for Bach Cello Suites No. 1.

Belle Bonne Sage : The “Beautiful, Good, Wise” C++ Vector-Graphics Library for Music Notation.

Beautiful Scores: a group of music engravers offering innovative and unique services when it comes to typesetting scores or music books..

Cage : set of high-lever tools and modules based on bach (Max library).

Cognitive Sound Image : audiovisual music and motion graphics score design.

Common Music Notation (CMN) : a Common Lisp music notation package.

The Digital Score : exploring the Digital Score and the potential transformations to scoring / instruction sets for musical and transmedia compositions.

The Decibel Score Player : The Decibel ScorePlayer is an ipad application that enables network-synchronised scrolling of proportional colour music scores on multiple tablet computers.

EAnalysis : a sound based music analysis with representation.

Enigmes : navigable scores / score instruments (JIM08 paper).

ENP : notational front-end in PWGL.

Guido Engine : a generic, portable library and API for the graphical rendering of musical scores.

Guido Service : a web server that provides music score layout services, based on the the GUIDO Engine library.

HighC : graphical music creation tool.

Hummingbird : a fresh take on music notation.

IanniX : open-source graphic sequencer, inspired by Iannis Xenakis work.

iAnalyse : a software to analyze score with animated annotations.

INScore : an Interactive Augmented Music Score.

Kimi : interactive system for dynamic musical score generation.

Lilypond : music engraving software.

MaxScore : standard western music notation in Max/MSP and Ableton Live via Max for Live.

music21 : a toolkit for computer aided musicology.

Music Engraving on Metal Plates : a video on the ancient art of music engraving.

Music Notation : Music notation links

The Music Notation Project : exploring alternative music notation systems.

Neuma, a music score library : publishing and annotate rare corpora of music.

Notations 21 Project : examples from the book by Theresa Sauer.

NoteAbility : music notation environment for the MacOSX.

OMXmulti : OpenMusic library for music notation.

Rekall : An open-source workspace that documents and analyses creative process and facilitates the restaging of performances.

SNotation : a written transcription method which uses notational symbols to describe the techniques of a turntablist.

SMuFL : Standard Music Font Layout project.

SSMN : Spatialization Symbolic Musical Notation project.