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

92Health
Library npm

undici

A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies

7,705
MIT
Used by 70
93Health
Library PyPI

urllib3

A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.

4,064
MIT
Used by 48
66Health
Library npm

proxy-agent

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

1,165
MIT
Used by 48
90Health
SDK npm

@clickhouse/client

The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.

332
Apache 2.0
Used by 38
82Health
Library npm

http-proxy-middleware

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

11,127
MIT
Used by 20
63Health
Library npm

forge

A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.

5,334
Other
Used by 17
90Health
Library npm

got

Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.

14,949
MIT
Used by 15
94Health
Framework Go

Echo

A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.

32,734
MIT
Used by 13
80Health
Library npm

superagent

A small, progressive HTTP request library for Node.js and browsers with a single fluent, chainable API on both platforms.

16,635
MIT
Used by 7
74Health
Library Cargo

ureq

A simple, safe, blocking HTTP client for Rust with minimal dependencies.

2,198
Apache 2.0
Used by 7
50Health
Library npm

follow-redirects

A drop-in replacement for Node's http and https modules that transparently follows redirects with zero runtime dependencies.

581
MIT
Used by 7
77Health
Library Go

certmagic

Automatic HTTPS for Go programs — the production-grade ACME client library that powers Caddy, obtaining and renewing TLS certificates with zero manual cert management.

5,605
Apache 2.0
Used by 6
43Health
Library Go

gock

Versatile HTTP traffic mocking for Go, intercepting any net/http-based client for deterministic tests.

2,215
MIT
Used by 5
53Health
SDK npm

@neondatabase/serverless

Neon's serverless PostgreSQL driver for JavaScript and TypeScript, built for edge and serverless runtimes using HTTP and WebSockets instead of raw TCP.

549
MIT
Used by 5
42Health
Library npm

request-promise

A Bluebird-powered Promise wrapper around the request HTTP client for Node.js — deprecated since 2020 along with request itself.

4,711
Other
Used by 3
71Health
Library npm

http-cookie-agent

Adds tough-cookie-based cookie jar support to Node.js global fetch, undici, axios, node-fetch, and other HTTP clients.

53
MIT
Used by 3
78Health
Library Composer

League URI

A PHP library for parsing, building, and manipulating URIs, URNs, and URI templates

1,129
MIT
Used by 2
50Health
Library Cargo

axum-server

A hyper-based HTTP server designed to be used with the Rust axum web framework.

264
MIT
Used by 2
87Health
Library Cargo

rama-core

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

1,223
Other
Used by 1
83Health
Library PyPI

primp

Python HTTP client that impersonates real browser TLS and HTTP/2 fingerprints.

611
MIT
Used by 1
46Health
Library Cargo

native-tls

A safe, ergonomic Rust wrapper over each platform's native TLS implementation.

546
Other
Used by 1
39Health
Library Cargo

hyper-tls

A minimal HTTPS connector that pairs hyper with native-tls for secure Rust HTTP clients.

201
Apache 2.0
Used by 1
72Health
Library Cargo

wreq-util

Browser and OkHttp client emulation, TLS certificate compression, and delay middleware for the wreq HTTP client.

92
Apache 2.0
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