Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

Kind

isBinaryFile

Detects whether a file or buffer is binary or text in Node.js, similar to Perl's -B switch, with encoding hints for accurate UTF-16, Latin-1, and CJK detection.

mailersend-nodejs

Official Node.js/TypeScript SDK for sending transactional email, SMS, and WhatsApp messages through the MailerSend API.

Langfuse JS/TS SDK (@langfuse/client)

Universal JavaScript/TypeScript client for Langfuse: prompt management, dataset experiments, evaluation scores, and media uploads through one typed API.

node-ical

A feature-rich RFC 5545 iCalendar/ICS parser for Node.js with robust RRULE recurrence expansion, timezone handling, and exception-date support.

ts-md5

A TypeScript MD5 implementation with incremental, file, and web-worker hashing

passport-discord

A Passport.js OAuth2 strategy for authenticating users with Discord accounts.

multer-rs

An async multipart/form-data parser for Rust, streaming over any Bytes source.

node-zip-stream

A streaming ZIP archive generator for Node.js that pipes archives out as they're built, without buffering the whole thing in memory.

Wcmatch

Bash-style wildcard file matching, globbing, and pathlib for Python

react-turnstile

A minimal React component and hook for rendering Cloudflare Turnstile CAPTCHA challenges.

jsonref

Automatic dereferencing of JSON Reference ($ref) objects in Python.

glob-to-regexp

A tiny, dependency-free JavaScript library that converts wildcard glob patterns into native RegExp objects, with optional bash-style extended and globstar matching.

strip-indent

Strip leading whitespace from every line of a string, with a dedent() helper for cleaning up multi-line template literals.

nanoid-dictionary

A small set of predefined character alphabets — hex, alphanumeric, lookalike-free, cookie-safe — for use with nanoid's customAlphabet.

remark-mdx-frontmatter

Converts MDX frontmatter (YAML or TOML) into named JavaScript exports during the remark compile step.

postcss-value-parser

Transforms CSS declaration values and at-rule params into a traversable node tree.

wrap-ansi

Word-wraps strings containing ANSI escape codes without breaking color, style, or hyperlink sequences.

eslint-plugin-lit

An ESLint plugin with 25 rules that catch Lit-specific template, attribute, and lifecycle mistakes at lint time.

rust-stemmers

Rust implementations of Snowball stemming algorithms for 18 languages

node-saml

A framework-agnostic SAML 2.0 authentication library for Node.js, handling AuthnRequest/Response generation, XML signature validation, and single logout.