Manu Chatterjee

provisional-patent-template. A free US provisional patent template used to generate dozens of granted patents and as the basis for WIPO (international filings), with overview and examples.

C-and-Cpp-Tests-with-CI-CD-Example. C/C++ example project for CI testing with Github Actions, Coverage, and Build badges

fr_math. Fixed-point math library (integer / no FPU) for embedded C. Trig, log/exp, sqrt, 2D transforms, wave generators, ADSR and variable radix support. ~4.5 KB

companders. Audio compression using companders (integer implementation, A-Law, Mu-Law) for embedded micros with IIR fixed-radix averager

WebAudioSpectrum. Realtime Audio Spectrum and Spectrogram visualizer using browser access to microphone and pure JS

quikchat. Simple purejs chat component for LLMs.

quikdown. Fast, secure markdown parser with bidirectional HTML conversion, plugin system, and live editor. Zero dependencies, XSS-safe by default. ~17KB core / 100KB editor.

bitwrench. bitwrench is a javascript front end and ui library which provides styling, reactivity, and works with zero dependancies

xelp. xelp is a tiny cli for embedded processors in pure C with no dependancies. It supports programmer provided functions and is ROM-able and scriptable and has built-in help.

web-audio-latency-tester. Tap to the beat and find out the average latency of your audio connection. Estimate the delay in your wireless headphones or audio.

html-to-docx. Example usage of the js docx library to convert an html div to a docx document.

jsonvice. json minifier with ability to truncate precision of floating point numbers

jado. JADO is a javascript mini library which treats any object as an interable. This includes built-in singleton types like ints, floats, and dates. It also brings map/filter/reduce to all types (including objects and singletons).

simpleJSLib. Simple Javascript library example which runs in browser / nodejs / commonjs and AMD environments. This library not require a build tool.

squibview. SquibView is a JavaScript control for live-rendering Markdown, HTML, and other formats It supports source-only, rendered-only, and split-view modes, with real-time updates across all views. Rendered output supports code syntax highlighting, Mermaid.js diagrams, SVG and more. SquibView renders source changes on the fly.

SpellCatcher. A live app for catching spells from magical wands

50projects50days. 50+ mini web projects using HTML, CSS & JS

absolute_this. Different bit twiddlings on abs() for C (or C++) -- more of a historical note than practical code

MOSLA. HTML

MirrorMirror. A single page HTML and pure JS app that creates an infinity mirror, edge detection and runs on mobile & desktop..

Snake3D. Snake3D in Python using UrsinaEngine [3D Engine]

triops. PHP

MCP2221A_and_MLX90640. Using MCP2221A with MLX90640 thermal camera from any computer using python