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.
JamStart is a music theory and ear-training tool that works with Spotify playlists. It provides key, mode, BPM, chord charts, scale charts and circle-of-fifths information for songs, and allows filtering songs by key or mode. Users can search a database and view or edit playlists.
HamStudy.org provides free amateur radio flash cards, practice tests, and question pools, along with question explanations and an introduction to ham radio. Study material is organized by exam, including Technician, General, Amateur Extra, and other question pools; user registration is free.
Ran Art Blog is a personal website by Ran, a realist painter and art instructor, dedicated to teaching drawing and painting. It features free tutorials, tips and techniques in its blog section, alongside a gallery of realistic oil paintings of seascapes, landscapes and animals.
A page from the American Radio Relay League providing amateur radio question pools for download or printing. It lists the Technician, General and Extra class pools with their validity periods, and notes that each pool is normally valid for four years.
Chromatone is an open source research and design project for visual music education, communication and performance. It presents a color coding system linking notes, intervals, chords and scales, and offers web apps for music education and independent research, plus tutorship and a sticker shop.
En Croissant is an open-source, cross-platform chess GUI. It serves as a chess database and analysis tool, and is designed to have a user experience closer to online chess websites while offering desktop application features. It provides game analysis reports, a database system for managing games, and an opening explorer for repertoire preparation.
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JamStart is a music theory and ear-training tool that works with Spotify playlists. It provides key, mode, BPM, chord charts, scale charts and circle-of-fifths information for songs, and allows filtering songs by key or mode. Users can search a database and view or edit playlists.
HamStudy.org provides free amateur radio flash cards, practice tests, and question pools, along with question explanations and an introduction to ham radio. Study material is organized by exam, including Technician, General, Amateur Extra, and other question pools; user registration is free.
Ran Art Blog is a personal website by Ran, a realist painter and art instructor, dedicated to teaching drawing and painting. It features free tutorials, tips and techniques in its blog section, alongside a gallery of realistic oil paintings of seascapes, landscapes and animals.
A page from the American Radio Relay League providing amateur radio question pools for download or printing. It lists the Technician, General and Extra class pools with their validity periods, and notes that each pool is normally valid for four years.
Chromatone is an open source research and design project for visual music education, communication and performance. It presents a color coding system linking notes, intervals, chords and scales, and offers web apps for music education and independent research, plus tutorship and a sticker shop.
En Croissant is an open-source, cross-platform chess GUI. It serves as a chess database and analysis tool, and is designed to have a user experience closer to online chess websites while offering desktop application features. It provides game analysis reports, a database system for managing games, and an opening explorer for repertoire preparation.
