- waxolotl - A small language that compiles to WebAssembly Text format
- zxel - Interactive terminal shell for JavaScript runtimes with syntax highlight and zx utilities
- zip-compressor - Encode and decode zip files with CompressionStream
- png-compressor - Compress and encode data as PNG image
- base64-compressor - Compress and encode data as URL-safe base64 string
- template-system - A template system for WordPress with content type loops and conditions
- tangible-roller - Build project assets using Rollup and ESBuild
- immerst - Modular immutable state management
- testra - Minimal test runner
- estreval - Evaluate JavaScript abstract syntax tree in ESTree format
- expreva - Expreva is a language based on arithmetic and algebra expressions
- tstree - Parse TypeScript code into ESTree-compatible abstract syntax tree
- neko - Neko is a cross-platform open-source animated cursor-chasing cat screenmate application
- microcity - Miniature city simulation evolved from Micropolis
- mooz - Modules for web audio and music
- brushlib-wasm - Brush engine based on WebAssembly port of MyPaint
- tetris - Rotate tetrominoes as they fall and complete rows to clear them
- Ink & Switch
- uLisp - Lisp for Microcontrollers
- unified - Interface for parsing, inspecting, transforming, and serializing content through syntax trees
- Vexflow - TypeScript library for rendering music notation
- VexML - MusicXML score layout and rendering using Vexflow