npm96Exceptionalhealth index

handsontable/hyperformulaHyperFormula is an open-source headless spreadsheet for business web apps. It comes with over 400 formulas, CRUD operations, undo-redo, clipboard support, and sorting.
TypeScript★ 2,785↓ 1.6M/moSep 15, 2026
crates.io95Exceptionalhealth index

emilk/eguiegui: an easy-to-use immediate mode GUI in Rust that runs on both web and native
Rust★ 30.6K↓ 12.8M/moSep 17, 2026
PyPI · npm94Exceptionalhealth index
BYVoid/OpenCCLibrary for conversion between Traditional and Simplified Chinese
C++★ 9,985↓ 295.7K/moSep 17, 2026
npm92Excellenthealth index

mastermunj/to-wordsConverts Numbers (including decimal points) into words. It also converts the numbers into words for currency.
TypeScript★ 135↓ 711.5K/moSep 29, 2026
PyPI91Excellenthealth index

hgrecco/pintOperate and manipulate physical quantities in Python
Python★ 2,795↓ 5.7M/moSep 12, 2026
Packagist · PyPI89Excellenthealth index

CuyZ/ValinorDependency free PHP library that helps to map any input into a strongly-typed structure.
PHP★ 1,529↓ 1.7M/moSep 14, 2026
PyPI89Excellenthealth index
Python★ 372↓ 5.4M/moSep 12, 2026
npm89Excellenthealth index

jonahsnider/convertThe smallest & fastest library for really easy, totally type-safe unit conversions in TypeScript & JavaScript.
TypeScript★ 200↓ 990.9K/moSep 15, 2026
npm89Excellenthealth index

microlinkhq/browserlessThe headless Chrome/Chromium driver on top of Puppeteer. Take screenshots, generate PDFs, extract text and HTML with a production-ready API.
JavaScript★ 1,834↓ 71.9K/moSep 11, 2026
Packagist89Excellenthealth index
PHP★ 6,160↓ 2.3M/moAug 27, 2026
npm · Packagist · crates.io +189Excellenthealth index

xberg-io/html-to-markdownHigh performance and CommonMark compliant HTML to Markdown converter. Maintained by the Kreuzberg team. Kreuzberg is a fast, polyglot document intelligence engine with a Rust core. It extracts structured data from 98+ document formats using streaming parsers and built-in OCR.
HTML · Rust★ 869↓ 1,033/moSep 14, 2026
npm86Excellenthealth index

yWorks/svg2pdf.jsA javascript-only SVG to PDF conversion utility that runs in the browser. Brought to you by yWorks - the diagramming experts
TypeScript★ 837↓ 1.4M/moOct 6, 2026
PyPI · npm84Excellenthealth index

loumalouomega/meshioplusplus🚀 A high-performance C++ library for robust mesh input/output across numerous formats. This project serves as the ultimate "Swiss Army knife" for mesh manipulation workflows, providing blazing-fast and reliable data handling.
C++ · Python★ 7↓ 11.5K/moSep 11, 2026
NuGet83Excellenthealth index
C#★ 2,969Sep 10, 2026
crates.io · PyPI83Excellenthealth index
Rust★ 77↓ 2,165/moSep 11, 2026
npm83Excellenthealth index
TypeScript · JavaScript★ 13↓ 224.7K/moOct 4, 2026
PyPI · npm83Excellenthealth index

rordenlab/dcm2niixdcm2nii DICOM to NIfTI converter: compiled versions available from NITRC
C++ · C★ 1,191↓ 17.8K/moSep 18, 2026
NuGet83Excellenthealth index
C#★ 0Sep 9, 2026
NuGet83Excellenthealth index
C#★ 1Sep 9, 2026
Packagist81Excellenthealth index
PHP★ 397↓ 436.9K/moSep 13, 2026
npm81Excellenthealth index
JavaScript★ 1,319↓ 101.3K/moSep 15, 2026
npm81Excellenthealth index

simiancraft/unitforgeForge anything measurable. A units library that does not assume you are doing physics.
TypeScript★ 4↓ 5,817/moOct 21, 2026
PyPI80Excellenthealth index

Roche/pyreadstatPython package to read and write sas, spss and stata files into/from pandas and polars data frames. It is a wrapper for the C library readstat.
C · Python · Cython★ 425↓ 3.4M/moAug 27, 2026
npm80Excellenthealth index
TypeScript★ 1↓ 25.3K/moOct 20, 2026
NuGet80Excellenthealth index
C#★ 1Sep 10, 2026
NuGet80Excellenthealth index
C#★ 2Sep 9, 2026
NuGet80Excellenthealth index
C#★ 0Sep 10, 2026
NuGet80Excellenthealth index
C#★ 1Sep 9, 2026
NuGet80Excellenthealth index
C#★ 1Sep 9, 2026
NuGet80Excellenthealth index
C#★ 1Sep 10, 2026