Create and view geometry exercises with coloring, styling and labeling options.

Create programming flowcharts with interactive tasks. Use standardized elements such as loops and branchings.

Write and run code as a code cell. Supports several languages (HTML, JavaScript/TypeScript, Python, Java, WebAssembly).

Crossword element for word puzzle widget. Includes grid and clue panel elements.

Create and simulate circuits with logic gates (AND, OR, XOR, etc.).

Geographical map with different terrain options including custom tiling, and GeoJSON support.

Authoring tool for interactive content.

Present content as a sequence of slides or tabs.