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

61Health
Library Cargo

heed

A fully typed, low-overhead Rust wrapper around LMDB

920
MIT
Used by 2
43Health
Library npm

js-file-download

A tiny JavaScript function that triggers the browser to save in-memory data as a downloadable file.

919
MIT
Used by 2
55Health
SDK PyPI

Replicate Python Client

The official Python client for running machine learning models on Replicate

918
Apache 2.0
Used by 2
48Health
Library Cargo

figment

A hierarchical configuration library for Rust that merges TOML, JSON, YAML, and env vars

914
Apache 2.0
Used by 2
54Health
Library PyPI

fastparquet

A pure-Python implementation of the Apache Parquet columnar file format for fast, memory-efficient DataFrame I/O.

908
Apache 2.0
Used by 2
46Health
Library Go

gziphandler

Go middleware that transparently gzip-compresses HTTP responses for clients that support it

893
Apache 2.0
Used by 2
97Health
SDK Cargo

Azure Core (Rust)

Shared HTTP pipeline, error, and credential primitives that every Rust Azure SDK client crate builds on.

886
MIT
Used by 2
32Health
Library npm

throng

A dead-simple one-liner for clustering Node.js apps across every CPU core.

879
MIT
Used by 2
48Health
Library npm

@antfu/utils

Opinionated collection of type-safe, tree-shakable JavaScript/TypeScript utility functions and generic types from Anthony Fu, meant to be bundled straight into your own library.

875
MIT
Used by 2
92Health
Library npm

@capgo/capacitor-updater

Ship instant over-the-air JavaScript, HTML, and CSS updates to Capacitor iOS and Android apps without app-store review.

869
MPL-2.0
Used by 2
54Health
Library npm

@sinonjs/fake-timers

Deterministic fake implementations of setTimeout, setInterval, Date, and other timer APIs for fast, reliable JavaScript tests.

859
BSD 3
Used by 2
79Health
Tool npm

react-native-dotenv

A Babel plugin that loads .env files into React Native and Expo apps, inlining environment variables at build time via @env imports.

858
MIT
Used by 2
57Health
Library Cargo

font-kit

A cross-platform Rust library for finding, loading, matching, and rasterizing fonts using native system font APIs.

843
Other
Used by 2
42Health
Library npm

react-speech-recognition

A React hook that turns microphone speech into a live text transcript using the Web Speech API.

842
MIT
Used by 2
78Health
Library npm

svg2pdf.js

A JavaScript-only utility that converts SVG elements to PDF in the browser.

839
MIT
Used by 2
85Health
Library PyPI

pypdfium2

ABI-level Python bindings to PDFium for fast, liberal-licensed PDF rendering and manipulation.

832
Other
Used by 2
57Health
Library Cargo

erased-serde

Type-erased Serialize and Serializer/Deserializer traits for Serde, usable as trait objects

825
Other
Used by 2
85Health
Library PyPI

rich-click

Rich-powered help formatting for Click command-line interfaces

821
MIT
Used by 2
74Health
Library npm

axios-cache-interceptor

Cache interceptor for Axios that adds RFC 7234-aware HTTP caching, deduplication, and pluggable storage with one setupCache() call.

817
MIT
Used by 2
48Health
Library Composer

Laravel Helpers

Restores Laravel's legacy global array_* and str_* helper functions as a drop-in compatibility package.

808
MIT
Used by 2
42Health
Library npm

fkill

Fabulously kill processes by PID, name, or port — one cross-platform API for macOS, Linux, and Windows.

798
MIT
Used by 2
73Health
SDK PyPI

influxdb-client-python

The official Python client for InfluxDB 2.x/Cloud with sync, async, and pandas-native APIs

793
MIT
Used by 2
77Health
Library Cargo

ttf-parser

A safe, zero-allocation Rust parser for TrueType, OpenType, and AAT font files, with a companion C API.

792
Other
Used by 2
40Health
Library npm

reduce-reducers

Combine multiple Redux reducers into a single reducer, applied left to right over one slice of state.

784
MIT
Used by 2

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