Directory

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

All Packages

46Health
Library Go

termenv

Advanced ANSI color and style support for Go terminal apps, with automatic terminal-capability detection and safe degradation.

2,032
MIT
Used by 5
48Health
Library npm

bottleneck

A lightweight, zero-dependency rate limiter and task scheduler for Node.js with built-in Redis clustering support.

2,007
MIT
Used by 5
66Health
Library Go

cors

Configurable CORS middleware for the Gin web framework in Go, with fine-grained origin, header, and credential rules.

2,001
MIT
Used by 5
70Health
Library npm

MailChecker

Cross-language disposable email detector backed by a 55,000+ domain blocklist

1,915
MIT
Used by 5
90Health
Library Cargo

icu

ICU4X: the Rust meta-crate for internationalization — locale-aware dates, collation, casing, segmentation, and more

1,875
Other
Used by 5
55Health
Library npm

frimousse

A lightweight, unstyled, and composable emoji picker for React with virtualized rendering and auto-updating emoji data.

1,807
MIT
Used by 5
44Health
Library npm

hoist-non-react-statics

Copies a wrapped React component's static properties onto its higher-order component wrapper.

1,798
BSD 3
Used by 5
71Health
Library PyPI

Standard Webhooks (Python)

Python reference implementation for verifying Standard Webhooks HMAC-signed webhook payloads

1,779
Apache 2.0
Used by 5
67Health
Library npm

graphology

A unified, multipurpose Graph data structure for JavaScript & TypeScript, supporting directed, undirected, and mixed graphs.

1,763
MIT
Used by 5
93Health
Library Cargo

smallvec

Stack-allocated 'small vector' optimization for Rust, spilling to the heap only when needed

1,757
Other
Used by 5
45Health
Library npm

fdir

The fastest directory crawler and globbing library for Node.js, built around a chainable builder API with optional picomatch-powered glob support.

1,737
MIT
Used by 5
42Health
Library npm

klona

A tiny, dependency-free utility for deep cloning objects, arrays, dates, and more.

1,736
MIT
Used by 5
64Health
SDK npm

@gitbeaker/rest

A comprehensive, typed GitLab API SDK for Node.js, browsers, Deno, and Bun

1,730
MIT
Used by 5
59Health
Library Go

xsync

Concurrent data structures for Go — a CLHT-based map, striped counter, lock-free queues, and a reader-biased mutex built to outscale the standard sync package.

1,725
Apache 2.0
Used by 5
48Health
Library npm

graphql-subscriptions

A reference PubSub engine and async-iterator helpers for building GraphQL subscription resolvers in Node.js

1,616
MIT
Used by 5
66Health
SDK npm

node-twitter-api-v2

A strongly typed, dependency-free TypeScript client for the Twitter/X API v1.1 and v2, with streaming and OAuth built in.

1,555
Apache 2.0
Used by 5
90Health
Library PyPI

fpdf2

A pure-Python library for generating and manipulating PDF documents, with text, images, tables, barcodes, SVG, and digital signing built in.

1,551
Other
Used by 5
70Health
Library npm

apollo-upload-client

GraphQL multipart file uploads for Apollo Client

1,540
MIT
Used by 5
45Health
Library Go

Gorilla Schema

Gorilla Schema fills Go structs from HTTP form values and encodes them back into url.Values using struct tags.

1,516
BSD 3
Used by 5
78Health
Library PyPI

Flask-WTF

Simple integration of Flask and WTForms with built-in CSRF, file upload, and reCAPTCHA support

1,512
BSD 3
Used by 5
47Health
Library npm

vue-sonner

An opinionated, customizable toast notification component for Vue 3 and Nuxt, ported from the React library Sonner.

1,469
MIT
Used by 5
75Health
Library npm

graphql-upload

Express/Koa middleware and an Upload scalar for GraphQL multipart file uploads

1,440
MIT
Used by 5
34Health
Library Go

go-homedir

A tiny, cgo-free Go library for detecting and expanding the current user's home directory across platforms.

1,417
MIT
Used by 5
42Health
Library PyPI

rank_bm25

A pure-Python implementation of the BM25 family of ranking algorithms for document search

1,412
Apache 2.0
Used by 5

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