Hobbies & DIY

JamStart finds song keys, modes and tempos from a Spotify playlist, with chord, scale and circle-of-fifths charts.

SLYNYRD showcases animated pixel art with notes on frame counts, dimensions and color palettes.

AnimeOutline publishes drawing tutorials and tips for anime and manga styles, with original art as examples.

J Perm publishes speedcubing tutorials with instructions for solving speed cubes.

Learn CW Online provides Morse code lessons that users can follow in a web browser.

Chessvision.ai scans and analyzes chess positions from websites, ebooks, images and videos.

AA9PW offers amateur radio exam practice and Morse code exercises for people preparing to use radio.

Fold 'N Fly catalogs paper airplanes with folding instructions, video tutorials and printable plans.

LibreTexts Music provides educational material on music and its elements, including melody, harmony, rhythm and form.

The supplied Piano Scribe page provides only a product name and heading, without enough detail to describe its music functions.

Tao Yu Trainer is identified as an algorithm trainer, but the supplied page gives no details about the algorithms or practice features.

Chorder displays guitar chord fingerings and lets users explore chord types, notes and intervals on a fretboard.

PaintingTube curates art videos about painting and drawing techniques, figure drawing and art documentaries.

Search for nearby amateur radio license exams through this ARRL exam finder.

Canon Creative Park offers printable paper crafts and scrapbook materials for Canon inkjet printers.

PaperToys offers printable paper toy and papercraft templates that users can download, cut and fold into models.

Hypercubing introduces four-dimensional twisty puzzles through guides, programs and community resources.

Bridge Command simulates ship navigation with 3D visuals, radar and navigation systems on PC, and its project is open source.

The cross-platform chess GUI En Croissant is open source and designed to be customizable.

Morse Typing Trainer helps users learn Morse code through Gboard in an interactive experiment.

SpeedCubeDB catalogs online speedcubing algorithms and reconstructions for puzzles from 2x2 to 6x6, plus SQ1, Pyraminx and Megaminx.

Igowin adapts a Windows Go game to the player's strength and includes a tutorial and manual.

LilyPond creates sheet music through a music notation program, with manuals, examples and community resources.

Noteheads lets users compose music in a browser, select instruments and download MIDI files.