LilyPond is a free music engraving program in the GNU Project that produces sheet music through text input. Its style settings, font designs and algorithms are inspired by hand-engraved music. It handles classical music, complex notation, tablature, vocal music, lead sheets and orchestral projects.
An interactive circle of fifths chart intended as a music theory tool for visualizing scales, notes, chords and keys and their relationships. Users can switch between the major and minor circles, and selecting a key shows scale degrees, relative keys and diatonic chords.
KataGo Distributed Training hosts the first public-distributed training run of KataGo, an open-source self-play-trained Go engine. Volunteers contribute to continue training from the previous official run, which ended in June 2020. The site provides run updates, downloads, contribution instructions, statistics and networks.
Drawingbooks.org provides free and open drawing and art instruction. It hosts public domain and open source art books, described as legal and free of copyright restrictions in the U.S. Titles listed include The Drawings of D. G. Rossetti, The Human Figure, Constructive Anatomy, and Book of a Hundred Hands.
CubeDesk is a free online Rubik's Cube timer for speedcubers. It offers WCA-style scrambles, stats and averages, algorithm training and 1v1 racing. The project was released as a desktop app and later became a web app, and its code was made open source.
alg.cubing.net is an educational resource for documentaries, courses, books, reference material, or self-learning.
Knots 3D is a reference platform with over 200 animated knots and step-by-step tutorials. Its library covers categories such as climbing, fishing, sailing, camping, and scouting knots, with user reviews cited on the site. The site warns that users should verify tying technique with a skilled instructor where knot failure could cause property damage, injury, or death.
Community notes
Be the first to share how this project worked for you.
Sign in with a verified account to leave a review or join the discussion.
Sign in to reviewKeep exploring
An interactive circle of fifths chart intended as a music theory tool for visualizing scales, notes, chords and keys and their relationships. Users can switch between the major and minor circles, and selecting a key shows scale degrees, relative keys and diatonic chords.
KataGo Distributed Training hosts the first public-distributed training run of KataGo, an open-source self-play-trained Go engine. Volunteers contribute to continue training from the previous official run, which ended in June 2020. The site provides run updates, downloads, contribution instructions, statistics and networks.
Drawingbooks.org provides free and open drawing and art instruction. It hosts public domain and open source art books, described as legal and free of copyright restrictions in the U.S. Titles listed include The Drawings of D. G. Rossetti, The Human Figure, Constructive Anatomy, and Book of a Hundred Hands.
CubeDesk is a free online Rubik's Cube timer for speedcubers. It offers WCA-style scrambles, stats and averages, algorithm training and 1v1 racing. The project was released as a desktop app and later became a web app, and its code was made open source.
alg.cubing.net is an educational resource for documentaries, courses, books, reference material, or self-learning.
Knots 3D is a reference platform with over 200 animated knots and step-by-step tutorials. Its library covers categories such as climbing, fishing, sailing, camping, and scouting knots, with user reviews cited on the site. The site warns that users should verify tying technique with a skilled instructor where knot failure could cause property damage, injury, or death.
