Hobbies & DIY

fretflip lets guitar players view, edit, create and share scales and chords on an interactive fretboard.

Tetra-cube generates D&D 5e statblocks, with tools to edit creature statistics, save and print blocks.

playsheet offers piano practice with interactive notation, MIDI feedback, looping, speed controls and scoring.

ScoreCloud converts songs into sheet music and supports score composition, editing and publishing.

Storied Colors documents named pigments through their histories, chemistry and provenance.

The fretflip chart visualizes guitar, bass and ukulele scales in different keys and tunings on an interactive fretboard.

Library of Juggling catalogs juggling tricks by difficulty, including patterns for different numbers of balls.

Dimensions catalogs drawings and reference measurements for everyday objects and spaces in the built environment.

The collaborative Go wiki Sensei's Library lets community members add comments and content.

Drawingbooks.org hosts public-domain and open drawing books, including instruction on figure drawing, anatomy and sketching.

Kaya supports Go play, study and analysis, with AI review and board recognition from photos in a free, open-source app.

The Graphics Codex is a digital reference and learning resource for computer graphics, with projects and course materials.

Love Life Drawing teaches figure drawing through lessons, references and a community for artists.

Chess Tempo offers online chess training and playing tools for players who want to practice.

Gitori teaches guitar fretboard notes, intervals, chords and scales through short practice games.

Black to Play teaches Go through free online puzzles and practice exercises.

DMHeroes generates role-playing game non-player characters with portraits, traits and plot hooks based on chosen details.

Ultimate Guitar provides chords and tabs for guitar, bass and ukulele, plus Guitar Pro and Power Tab files.

Sightread teaches piano from sheet music with MIDI input and practice tools.

Roux Trainers collects training tools for people practicing the Roux method of solving a Rubik’s Cube.

GoProblems provides an interactive Go problem database and community for solving, searching and discussing problems.

The Met’s publications catalog lists museum books and catalogs, with date and title filters and downloadable PDFs.

Jim Mortensen shares storyboard tips and directs proceeds to Inner City Arts, according to the page description.

Erowid provides educational and harm-reduction information on psychoactive substances, including health effects, research and law.