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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filesize.js
Zero-dependency JavaScript utility that converts byte counts into human-readable file size strings, with SI, IEC, and JEDEC standard support.
mathjs
Extensive math library for JavaScript and Node.js with big numbers, complex numbers, units, and matrices.
pretty-bytes
Convert byte counts into human-readable strings like 1337 → 1.34 kB, with binary, bit, and locale-aware formatting options.
Micromatch
Fast, POSIX-compliant glob matching for Node.js — the drop-in replacement for minimatch and multimatch.
readable-stream
A standalone, spec-accurate copy of Node.js core streams for consistent behavior across Node versions and in browsers.
cel-go
The Go implementation of the Common Expression Language for fast, safe, embeddable expression evaluation.
escape-string-regexp
Escape RegExp special characters in a string for safe use inside a JavaScript regular expression.
expr
A fast, type-safe expression language and evaluation engine embeddable directly in Go programs.
get-stream
Consume a Node.js or web stream into a string, Buffer, ArrayBuffer, or array
byte-size
Converts a numeric bytes value into a human-readable string like '3.5 kB', with metric, IEC, and fully custom unit support.
mdast-util-mdx
Mdast extensions that parse and serialize MDX syntax — ESM, JSX, and expressions — inside markdown syntax trees.
is-valid-path
Lightweight utility that checks whether a string is a valid, non-glob file path in Node.js.
micromark-extension-mdxjs
Combines MDX's JSX, expression, and ESM syntax extensions into one micromark plugin for parsing MDX documents.
react-awesome-query-builder
A highly configurable React component for building complex filter queries with a drag-and-drop UI, exportable to SQL, MongoDB, JsonLogic, and more.
simpleeval
A single-file Python library for safely evaluating user-supplied expressions without exposing full eval() access.