npm99Exceptionalhealth index
TypeScript★ 16.4K↓ 3.8B/moAug 27, 2026
crates.io98Exceptionalhealth index
Rust★ 3,455↓ 4M/moSep 15, 2026
npm · PyPI98Exceptionalhealth index
TypeScript★ 1,789↓ 15.3M/moSep 19, 2026
crates.io · npm98Exceptionalhealth index

biomejs/biomeA toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.
Rust★ 25.9K↓ 247K/moSep 16, 2026
PyPI98Exceptionalhealth index
Python★ 1,168↓ 10.6M/moAug 27, 2026
npm98Exceptionalhealth index
JavaScript · TypeScript · HTML★ 37.1K↓ 272M/moSep 16, 2026
npm98Exceptionalhealth index

mermaid-js/mermaidGeneration of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown
TypeScript · Mermaid · JavaScript★ 90.8K↓ 147M/moOct 19, 2026
crates.io · npm98Exceptionalhealth index
Rust★ 22.8K↓ 2.2M/moSep 16, 2026
npm97Exceptionalhealth index

marko-js/markoA declarative, HTML-based language that makes building web apps fun
JavaScript · TypeScript · HTML★ 14.5K↓ 213.9K/moOct 20, 2026
npm96Exceptionalhealth index
TypeScript★ 331↓ 22.7M/moSep 12, 2026
npm96Exceptionalhealth index
TypeScript★ 231↓ 2.4M/moSep 9, 2026
crates.io · npm96Exceptionalhealth index

boa-dev/boaBoa is an embeddable Javascript engine written in Rust.
Rust★ 7,623↓ 59/moOct 21, 2026
npm96Exceptionalhealth index

cheeriojs/cheerioThe fast, flexible, and elegant library for parsing and manipulating HTML and XML.
TypeScript · HTML · Astro★ 30.5K↓ 105M/moSep 16, 2026
npm · PyPI · Packagist +496Exceptionalhealth index
C★ 400↓ 32.5M/moAug 27, 2026
npm · PyPI96Exceptionalhealth index

e2b-dev/E2BOpen-source, secure environment with real-world tools for enterprise-grade agents.
Python · TypeScript★ 14.5K↓ 20.4M/moOct 20, 2026
npm96Exceptionalhealth index
TypeScript★ 87↓ 756.9K/moSep 9, 2026
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
PyPI96Exceptionalhealth index

pylint-dev/astroidA common base representation of python source code for pylint and other projects
Python★ 582↓ 45.8M/moSep 9, 2026
crates.io96Exceptionalhealth index
Rust · C★ 27K↓ 4.8M/moSep 16, 2026
npm95Exceptionalhealth index
JavaScript★ 3,138↓ 298M/moSep 16, 2026
PyPI95Exceptionalhealth index

RDFLib/rdflibRDFLib is a Python library for working with RDF, a simple yet powerful language for representing information.
Python★ 2,511↓ 15.4M/moSep 10, 2026
npm95Exceptionalhealth index

inikulin/parse5HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.
TypeScript★ 3,930↓ 767M/moSep 16, 2026
npm95Exceptionalhealth index
TypeScript★ 2,426↓ 16.7M/moAug 27, 2026
Maven94Exceptionalhealth index

INRIA/spoonSpoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.
Java★ 1,955Sep 10, 2026
Packagist94Exceptionalhealth index

MyIntervals/PHP-CSS-ParserA Parser for CSS Files written in PHP. Allows extraction of CSS files into a data structure, manipulation of said structure and output as (optimized) CSS
PHP★ 1,826↓ 8.3M/moAug 27, 2026
PyPI94Exceptionalhealth index

ada-url/adaWHATWG-compliant and fast URL parser written in modern C++, part of Internet Archive, Node.js, Clickhouse, Redpanda, Kong, Telegram, Adguard, Datadog and Cloudflare Workers.
C++★ 1,844↓ 517.1K/moSep 19, 2026
npm94Exceptionalhealth index
TypeScript★ 144↓ 5.6M/moSep 11, 2026
Packagist · crates.io · npm94Exceptionalhealth index

carthage-software/magoMago is a toolchain for PHP that aims to provide a set of tools to help developers write better code.
Rust · PHP★ 3,429↓ 293.8K/moSep 8, 2026
crates.io94Exceptionalhealth index
Rust★ 301↓ 444.8K/moSep 14, 2026
PyPI · crates.io · npm94Exceptionalhealth index
Rust · Python★ 102↓ 9,278/moOct 17, 2026