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

68Health
Library npm

proxy-agent

Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.

1,161
MIT
Used by 47
96Health
SDK npm

@slack/web-api

Slack's official Node.js HTTP client for calling any of the 270+ Web API methods, with built-in queuing, retries, pagination, and rate-limit handling.

3,378
MIT
Used by 38
29Health
Library npm

identity-obj-proxy

An ES6 Proxy that echoes back every key you access, built to mock CSS Modules and other webpack style imports in Jest tests.

507
MIT
Used by 27
84Health
Library npm

http-proxy-middleware

The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.

11,126
MIT
Used by 20
85Health
Library PyPI

wrapt

A Python module for building correct decorators, transparent object proxies, and safe monkey patching.

2,304
Other
Used by 11
90Health
Tool npm

verdaccio

A lightweight, zero-config-required private npm registry with built-in caching and proxying of public registries.

17,881
MIT
Used by 7
34Health
Library npm

proxy-from-env

Resolves the correct proxy URL for a request by reading standard *_PROXY and NO_PROXY environment variables

73
MIT
Used by 7
62Health
Library npm

socks

Fully featured SOCKS proxy client for Node.js supporting SOCKS v4, v4a, and v5 with bind and UDP associate

329
MIT
Used by 5
65Health
Library npm

proxy-addr

Determine the real client IP address behind trusted proxies, with full IPv4, IPv6, and CIDR support.

141
MIT
Used by 4
73Health
Library npm

valtio

Proxy-based state management for React and vanilla JavaScript with automatic render optimization.

10,231
MIT
Used by 3
43Health
Library Composer

fideloper/proxy (Laravel Trusted Proxies)

Configures Laravel's trusted proxies so apps behind a load balancer get correct URLs and sessions

7,306
MIT
Used by 3
83Health
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.

1,037
Apache 2.0
Used by 3
74Health
Tool Go

toxiproxy

A TCP proxy for injecting network and system failures to test how applications handle unreliable dependencies.

12,341
MIT
Used by 2
50Health
Library Go

martian

A programmable HTTP/1.1 proxy for Go, used to inspect, mutate, and verify requests and responses via composable modifiers.

2,040
Apache 2.0
Used by 2
82Health
Library npm

fastify-reply-from

Fastify plugin that forwards the current HTTP request to another server, with pluggable HTTP/1.1, HTTP/2, and undici transports.

166
MIT
Used by 2
74Health
Library PyPI

python-socks

Core SOCKS4, SOCKS5, and HTTP CONNECT proxy client for Python with sync and async APIs

126
Apache 2.0
Used by 2
59Health
Library Composer

ProxyManager

Generate, instantiate, and operate object proxies for lazy loading and AOP in PHP

4,943
MIT
Used by 1
47Health
Library Composer

ProxyManager LTS

Long-term-support fork of ocramius/proxy-manager for generating PHP lazy-loading and virtual proxies

1,208
MIT
Used by 1
87Health
Library Cargo

rama-core

The async Service and Layer trait core that every Rama network stack builds on.

1,203
Other
Used by 1
45Health
Library npm

h2o2

Proxy handler plugin for hapi.js that forwards requests to an upstream service with fine-grained control.

164
BSD 3
Used by 1
58Health
Library PyPI

httpx-socks

SOCKS4, SOCKS5, and HTTP CONNECT proxy transports for the httpx client.

87
Apache 2.0
Used by 1
19Health
Library Cargo

proxy-header

A lightweight Rust library for parsing and encoding HAProxy PROXY protocol v1 and v2 headers, with optional async Tokio stream support.

8
MIT
Used by 1

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers