npm100Exceptionalhealth index

nodejs/undiciAn HTTP/1.1 client, written from scratch for Node.js
JavaScript★ 7,696↓ 652M/moSep 16, 2026
Go98Exceptionalhealth index

caddyserver/caddyFast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Go★ 75.8KSep 16, 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★ 2,970Oct 20, 2026
npm96Exceptionalhealth index
TypeScript★ 331↓ 22.7M/moSep 12, 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★ 32.7KSep 16, 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★ 6,515Sep 20, 2026
crates.io94Exceptionalhealth index

plabayo/ramamodular service framework to move and transform network packets
Rust★ 1,244↓ 1.6M/moOct 21, 2026
Go · PyPI93Exceptionalhealth index

SpectoLabs/hoverflyLightweight service virtualization/ API simulation / API mocking tool for developers and testers
Go★ 2,524Oct 19, 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
PyPI92Excellenthealth index

jawah/niquestsDrop-in replacement for Requests. Automatic HTTP/1.1, HTTP/2, and HTTP/3. WebSocket, and SSE included. WASI Supported.
Python★ 2,470↓ 1.5M/moSep 17, 2026
PyPI92Excellenthealth 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★ 811↓ 801/moSep 14, 2026
PyPI91Excellenthealth index

cherrypy/cherootCheroot is the high-performance, pure-Python HTTP server used by CherryPy. Docs -->
Python★ 202Sep 12, 2026
npm90Excellenthealth index

adobe/fetchSimplified HTTP/1(.1) and HTTP/2 requests with Server Push Support
JavaScript★ 60↓ 216.4K/moSep 15, 2026
npm90Excellenthealth index
TypeScript★ 11.1K↓ 98.9M/moSep 17, 2026
crates.io89Excellenthealth index
Rust★ 1,076↓ 222.8K/moOct 20, 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
PyPI88Excellenthealth index

jawah/urllib3.futureInplace replacement for urllib3 capable of async with automatic HTTP/1, HTTP/2 and HTTP/3 transport.
Python★ 69↓ 1.5M/moOct 19, 2026
npm88Excellenthealth index

sindresorhus/ky🌳 Tiny & elegant JavaScript HTTP client based on the Fetch API
TypeScript★ 17.1K↓ 26.7M/moSep 17, 2026
PyPI · crates.io87Excellenthealth index
Rust · Python★ 1,441Sep 17, 2026
PyPI87Excellenthealth index

sireto/custom-domainSelf-hosted custom domains for multi-tenant SaaS: customers bring their own hostnames, get exact DNS records and automatic HTTPS (Caddy on-demand TLS), and every request reaches your app with a signed workspace assertion. API, Python SDK, webhooks, operator portal.
Python★ 20↓ 8,563/moOct 10, 2026
C++★ 16.8KSep 16, 2026
crates.io86Excellenthealth index
Rust★ 790↓ 393.8K/moOct 22, 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
Go84Excellenthealth index

caddyserver/certmagicAutomatic HTTPS for any Go program: fully-managed TLS certificate issuance and renewal
Go★ 5,598Sep 17, 2026
crates.io84Excellenthealth index

emanuele-em/proxelarScriptable local traffic workbench for inspecting, intercepting, replaying, and rewriting HTTP/HTTPS and WebSocket traffic.
Rust★ 1,060↓ 212/moSep 14, 2026
Go83Excellenthealth index

GopeedLab/gopeed A fast, modern download manager for HTTP, BitTorrent, Magnet, and ed2k. Cross-platform, built with Golang and Flutter.
Dart · Go★ 26.4KSep 19, 2026
crates.io83Excellenthealth index
Rust★ 2,193↓ 19.5M/moSep 17, 2026
Hex83Excellenthealth index

mtrudel/banditBandit is a pure Elixir HTTP server for Plug & WebSock applications
Elixir★ 1,921↓ 937.8K/moSep 9, 2026