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

75Health
Library npm

re-reselect

Enhance Reselect selectors with per-argument memoization and cache management.

1,092
MIT
Used by 3
46Health
Library Cargo

whatlang

Fast, lightweight natural language and script detection for Rust

1,087
MIT
Used by 3
81Health
Library PyPI

redbeat

A Redis-backed Celery Beat scheduler for dynamic periodic tasks, distributed locking, and fast startup at scale.

1,054
Apache 2.0
Used by 3
85Health
Library npm

proxy-chain

A programmable Node.js proxy server with SSL/TLS, SOCKS4/5, and upstream proxy chaining for tools like Puppeteer and Crawlee.

1,051
Apache 2.0
Used by 3
48Health
Library Go

redis_rate

Redis-backed rate limiting for Go using the GCRA leaky-bucket algorithm.

1,050
Other
Used by 3
65Health
Library npm

@manypkg/get-packages

Async and sync APIs that discover every package in a Yarn, npm, pnpm, Bun, Lerna, or Rush monorepo.

1,046
MIT
Used by 3
38Health
Library PyPI

xlwt

A pure-Python library for writing legacy Microsoft Excel (.xls) spreadsheet files.

1,044
Other
Used by 3
69Health
Library Cargo

window-vibrancy

Apply native blur, acrylic, mica, and vibrancy effects to desktop windows in Rust.

1,039
Other
Used by 3
40Health
Library npm

koa-compose

Composes an array of Koa middleware into a single async function with built-in safety checks.

1,017
MIT
Used by 3
46Health
Tool Composer

Composer Merge Plugin

A Composer plugin that merges additional composer.json files into the base project config at install/update time.

1,016
MIT
Used by 3
90Health
Library Go

go-ora

A pure Go driver for Oracle Database that implements database/sql without CGO or Oracle Instant Client.

986
MIT
Used by 3
36Health
Library npm

grapheme-splitter

Split JavaScript strings into user-perceived characters, not raw UTF-16 code units

984
MIT
Used by 3
49Health
SDK Go

aliyun-oss-go-sdk

Go client library for Alibaba Cloud Object Storage Service (OSS), covering buckets, objects, multipart uploads, and encryption.

983
MIT
Used by 3
93Health
Library Cargo

duckdb-rs

Ergonomic Rust bindings for DuckDB, with type-safe queries, native Arrow/Polars interchange, and a rusqlite-inspired API.

981
MIT
Used by 3
82Health
Library npm

@noble/curves

An audited, dependency-minimal JavaScript library implementing elliptic curve cryptography for signatures, key exchange, and pairings.

965
MIT
Used by 3
83Health
Library Go

ojg

A high-performance JSON parser and toolkit for Go with a full JSONPath implementation.

956
MIT
Used by 3
54Health
Library Cargo

papaya

A fast, lock-free concurrent hash map for Rust tuned for read-heavy workloads.

956
MIT
Used by 3
68Health
Library Composer

Symfony Webpack Encore Bundle

Twig integration that connects Webpack Encore's built assets to Symfony templates.

944
MIT
Used by 3
54Health
Library Cargo

governor

A GCRA-based rate-limiting library for Rust, supporting no_std and async use

939
MIT
Used by 3
55Health
Library Go

gofakes3

An embeddable fake AWS S3 server for local development and integration testing of S3-backed Go code.

938
MIT
Used by 3
89Health
Library PyPI

Social Auth Core

The core authentication backend engine behind Python Social Auth, supporting OAuth, OpenID, and SAML.

922
BSD 3
Used by 3
33Health
Library npm

pump

Pipe Node.js streams together and destroy all of them if one closes

917
MIT
Used by 3
80Health
Library npm

@nestjs-modules/mailer

A NestJS module that wraps Nodemailer with templates, queues, and DI-friendly config

914
MIT
Used by 3
65Health
Library PyPI

decorator

Signature-preserving decorator library for Python, making it easy to write correct function decorators and decorator factories

902
Other
Used by 3

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