Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Croner
A zero-dependency cron job scheduler and cron-expression evaluator for JavaScript and TypeScript
csv
Fast, flexible CSV reading and writing for Rust, with Serde support
tomli
A lil' TOML parser for Python — fast, spec-compliant, and dependency-free.
smol-toml
A small, fast, spec-compliant TOML parser and serializer for JavaScript
markdown-it-py
A CommonMark-compliant Markdown parser for Python, ported from the JS markdown-it
node-html-parser
A very fast HTML parser that builds a lightweight DOM tree with full CSS3 selector support.
mathjs
Extensive math library for JavaScript and Node.js with big numbers, complex numbers, units, and matrices.
jsoniter
A high-performance, 100% compatible drop-in replacement for Go's encoding/json.
@apidevtools/swagger-parser
Parses, validates, and dereferences Swagger 2.0 and OpenAPI 3.x specs in Node.js and browsers
@xmldom/xmldom
A pure JavaScript, W3C-standard DOMParser and XMLSerializer for parsing and building XML/HTML documents
colord
A tiny, dependency-free TypeScript library for parsing, converting, and manipulating colors in any format.
node-sql-parser
Parses SQL statements into an AST and converts them back to SQL across a dozen database dialects.
GSAP
The industry-standard JavaScript animation library for tweening CSS, SVG, canvas, and UI with rock-solid cross-browser reliability.
bowser
A small, fast browser, platform, and rendering-engine detector for browser and Node environments
micromark
The smallest 100% CommonMark-compliant markdown parser, with GFM and MDX support
bytes
Tiny utility for parsing and formatting byte strings like '1kb'
tree-sitter-typescript
TypeScript and TSX grammars for the tree-sitter incremental parsing framework.
html-react-parser
Converts HTML strings into React elements, working seamlessly on both server and client
feedparser
Parses RSS, Atom, RDF, CDF, and JSON feeds into one normalized Python dictionary.
Partial JSON
Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.
json_repair
Repair malformed JSON from LLMs, APIs, logs, and user input — a drop-in fallback for json.loads().
msgraph-sdk-javascript
Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.
officeParser
Parse Office documents into a rich AST and generate Markdown, HTML, PDF, or RAG chunks
json-2-csv
Converts arrays of JSON documents to RFC 4180 compliant CSV and back, with native support for nested sub-documents.
