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

Kind2
Library4824 SDK549 Tool342 Framework214
Category2
Utilities Ids Helpers1293 Serialization Data Formats487 UI Component Libraries383 Cli Terminal323 Authentication Authorization289 Cryptography Hashing259 Web Frameworks API Servers246 Build Tools Bundlers227 Image Media Processing213 Cloud Sdks200 Database Drivers Clients200 Async Concurrency Runtimes194
Tags
React667 Python638 Javascript591 Rust485 Typescript408 Hacktoberfest308 PHP304 Nodejs280 Parser224 JSON205 Laravel203 Go192
Sort:Used by Most Apps
Used by Most Apps Health Score Most Stars A-Z
Showing 17 of 5929 packages
Tool Framework Async Concurrency Runtimes Cloud Sdks Clear all
79Health
Tool npm

concurrently

Run multiple terminal commands in parallel, with color-coded output and cross-platform support.

7,848
MIT
Used by 103
93Health
Framework Cargo

Tokio

The async runtime powering most of Rust's networked, concurrent, and I/O-bound applications.

33,150
MIT
Used by 95
90Health
Tool PyPI

Gunicorn

A fast, lightweight pre-fork WSGI and ASGI HTTP server for running Python web apps in production on UNIX.

10,669
MIT
Used by 33
91Health
Framework npm

Pulumi

Infrastructure as Code in your favorite programming language, powered by a shared multi-language deployment engine.

25,682
Apache 2.0
Used by 6
88Health
Tool PyPI

Granian

A fast Rust HTTP server for Python that serves ASGI, WSGI, and RSGI applications

5,639
BSD 3
Used by 5
92Health
Tool PyPI

AWS CLI

The unified command-line interface for managing every Amazon Web Services resource from your terminal.

17,254
Apache 2.0
Used by 4
79Health
Tool Composer

Laravel Octane

Boots your Laravel application once and keeps it resident in memory on Swoole, RoadRunner, or FrankenPHP for dramatically faster request handling.

4,040
MIT
Used by 4
96Health
Framework npm

aws-cdk

The core AWS CDK v2 construct library for defining cloud infrastructure as code and deploying it via CloudFormation.

12,901
Apache 2.0
Used by 3
85Health
Framework npm

workflow

Durable, resilient workflow execution for TypeScript, with automatic retries, persistence, and built-in observability.

2,399
Apache 2.0
Used by 2
85Health
Framework npm

alchemy

Infrastructure-as-Effects for TypeScript — cloud resources, IAM, and app logic in one type-safe Effect program.

1,228
Apache 2.0
Used by 2
85Health
Framework Cargo

actix

A Rust actor framework for building concurrent, message-driven systems on top of Tokio.

9,242
Other
Used by 1
91Health
Framework PyPI

Twisted

A mature, event-driven networking engine for Python built around the reactor pattern, with async HTTP, SSH, DNS, IMAP, and IRC protocols built in.

5,979
MIT
Used by 1
56Health
Framework Cargo

tarpc

An async Rust RPC framework that defines services directly in code via a macro instead of a separate IDL, with pluggable transports and deadline propagation.

3,739
MIT
Used by 1
75Health
Framework PyPI

taskiq

An async-first distributed task queue for Python with type-safe tasks, pluggable brokers, and first-class FastAPI/AioHTTP integration.

2,333
MIT
Used by 1
72Health
Framework PyPI

Functions Framework for Python

An open-source FaaS framework for writing portable Python functions that run anywhere.

968
Apache 2.0
Used by 1
78Health
Framework Cargo

containerd-shim

Rust framework for building containerd runtime v2 shims with TTRPC, logging, and event plumbing built in

243
Apache 2.0
Used by 1
71Health
Tool PyPI

FastAPI Cloud CLI

Command-line tool to deploy and manage FastAPI apps on FastAPI Cloud

38
MIT
Used by 1

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