npm99Exceptionalhealth index
nodejs/undiciAn HTTP/1.1 client, written from scratch for Node.js
JavaScript★ 7,654↓ 557M/moAug 4, 2026
Go98Exceptionalhealth index

caddyserver/caddyFast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Go★ 74.7KAug 4, 2026
PyPI98Exceptionalhealth index
Python★ 4,052↓ 1.9B/moAug 28, 2026
—97Exceptionalhealth index

wolfSSL/wolfsslThe wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3! Update to wolfSSL 5.9.1 for the latest CVE fixes.
C · Assembly★ 2,914Aug 22, 2026
npm96Exceptionalhealth index
TypeScript★ 323Jul 20, 2026
Maven96Exceptionalhealth index

jetty/jetty.projectEclipse Jetty® - Web Container & Clients - supports HTTP/3, HTTP/2, HTTP/1, websocket, servlets, and more
Java★ 4,091Aug 28, 2026
Go94Exceptionalhealth index
Go★ 32.6KAug 5, 2026
PyPI94Exceptionalhealth index

lexiforest/curl_cffiPython binding for curl-impersonate fork via cffi. A http client that can impersonate browser tls/ja3/http2 fingerprints.
Python★ 6,395↓ 45M/moAug 27, 2026
crates.io94Exceptionalhealth index

plabayo/ramamodular service framework to move and transform network packets
Rust★ 1,190↓ 730.4K/moSep 5, 2026
PyPI93Exceptionalhealth index
cherrypy/cherootCheroot is the high-performance, pure-Python HTTP server used by CherryPy. Docs -->
Python★ 202Jul 21, 2026
npm · PyPI · crates.io +493Exceptionalhealth index

mock-server/mockserver-monorepoMockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
Java · HTML · TypeScript★ 4,953↓ 622.6K/moAug 28, 2026
PyPI93Exceptionalhealth index
ozeranskii/httptapRich-powered CLI that breaks each HTTP request into DNS, connect, TLS, wait, and transfer phases with waterfall timelines, compact summaries, or metrics-only output.
Python★ 511Jul 28, 2026
PyPI90Excellenthealth index

jawah/niquestsDrop-in replacement for Requests. Automatic HTTP/1.1, HTTP/2, and HTTP/3. WebSocket, and SSE included.
Python★ 2,418Aug 13, 2026
PyPI90Excellenthealth index

jawah/urllib3.futureInplace replacement for urllib3 capable of async with automatic HTTP/1, HTTP/2 and HTTP/3 transport.
Python★ 68↓ 2M/moAug 19, 2026
npm89Excellenthealth index
TypeScript★ 11.1K↓ 107M/moAug 12, 2026
Go · npm88Excellenthealth index

certimate-go/certimateAn open-source and free self-hosted SSL certificates ACME tool, automates the full-cycle of issuance, deployment, renewal, and monitoring visually. 完全开源免费的自托管 SSL 证书 ACME 工具,申请、部署、续期、监控全流程自动化可视化,支持各大主流云厂商。
Go · TypeScript★ 9,077Aug 28, 2026
C++★ 16.7KAug 5, 2026
crates.io87Excellenthealth index
Rust★ 1,004↓ 220.3K/moAug 28, 2026
Go86Excellenthealth index

caddyserver/certmagicAutomatic HTTPS for any Go program: fully-managed TLS certificate issuance and renewal
Go★ 5,588Aug 5, 2026
crates.io · npm · PyPI86Excellenthealth index

warp-tech/warpgateFully transparent SSH, HTTPS, Kubernetes, database and RDP/VNC bastion/PAM that doesn't need additional client-side software
Rust · Svelte · Python★ 7,735Aug 28, 2026
crates.io84Excellenthealth index
emanuele-em/proxelarScriptable local traffic workbench for inspecting, intercepting, replaying, and rewriting HTTP/HTTPS and WebSocket traffic.
Rust★ 1,011↓ 277/moJul 27, 2026
PyPI · crates.io81Excellenthealth index
Rust · Python★ 1,423Aug 13, 2026
npm81Excellenthealth index
TypeScript★ 1,151↓ 1.6B/moAug 4, 2026
crates.io81Excellenthealth index
Rust★ 2,169↓ 16.4M/moAug 11, 2026
PyPI81Excellenthealth index

jawah/wassimaNo more certifi! System trust store at hand. In Pure Python.
Python★ 24↓ 2M/moAug 22, 2026
npm81Excellenthealth index
TypeScript★ 676↓ 86.5M/moAug 4, 2026
NuGet80Excellenthealth index
EvotecIT/DnsClientXDnsClientX is an async C# library for DNS over UDP, TCP, HTTPS (DoH), and TLS (DoT). It also has a PowerShell module that can be used to query DNS records. It provides a simple way to query DNS records using multiple DNS providers. It supports multiple DNS record types and parallel queries.
C#★ 25Jul 21, 2026
Packagist80Excellenthealth index
amphp/http-clientAn advanced async HTTP client library for PHP, enabling efficient, non-blocking, and concurrent requests and responses.
PHP★ 730↓ 1M/moJul 16, 2026
npm80Excellenthealth index
jaredwray/mockhttpA simple HTTP server that can be used to mock HTTP responses for testing purposes. Inspired by httpbin and built using nodejs and fastify with the idea of running it via https://mockhttp.org, via docker jaredwray/mockhttp, or nodejs npm install jaredwray/mockhttp.
TypeScript★ 21↓ 445/moJul 27, 2026
npm80Excellenthealth index
metarhia/impressEnterprise application server for Node.js and Metarhia private cloud ⚡
JavaScript★ 982↓ 2,094/moJul 26, 2026