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Documentation: Apache HTTP Server - The Apache HTTP Server Project
(httpd.apache.org)
reference
Version-indexed httpd manuals (2.4, trunk, legacy), offline zips, plus user recipe wiki
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Home - lighty news
(lighttpd.net)
tool
small-footprint web server with FastCGI, CGI, rewriting and TLS 1.3 defaults, revised BSD license
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H2O - the optimized HTTP server
(h2o.examp1e.net)
tool
HTTP/2 and HTTP/3 server with ACME certificates, prioritisation and mruby scripting; open source
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Apache Tomcat® - Welcome!
(tomcat.apache.org)
tool
Jakarta Servlet, Pages and WebSocket implementation hosting Java web apps, Apache-2 licensed
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The Eclipse Jetty Project :: Eclipse Jetty
(jetty.org)
tool
embeddable Java servlet container and HTTP/1-3 plus WebSocket server; EPL2 and Apache-2.0
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HTTP | Node.js v26.7.0 Documentation
(nodejs.org)
reference
node:http client and server API: low-level stream and header handling, no body parsing
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http.server — HTTP servers
(Python documentation)
reference
Python stdlib HTTPServer and request-handler classes; explicitly not for production use
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Index - Uvicorn
(uvicorn.dev)
reference
ASGI server for Python async frameworks, HTTP/1.1 and WebSockets, run from CLI or programmatically
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A Fast, Concurrent Web Server for Ruby & Rack - Puma
(puma.io)
tool
concurrent HTTP/1.1 server for Ruby Rack apps, Ragel-based parser, far lower memory than Unicorn
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HAProxy - The Reliable, High Perf. TCP/HTTP Load Balancer
(haproxy.org)
tool
free TCP and HTTP reverse proxy for load balancing very high traffic, several branches maintained
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squid : Optimising Web Delivery
(squid-cache.org)
tool
GPL caching forward proxy for HTTP/HTTPS/FTP with access controls and cache hierarchies
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FastCGI Specification
(fastcgi-archives.github.io)
reference
1996 Open Market protocol between web servers and long-lived FastCGI application processes
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RFC 9113: HTTP/2
(IETF Datatracker)
reference
standards-track HTTP/2 spec: framing, field compression, multiplexing; obsoletes RFC 7540
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RFC 9114: HTTP/3
(IETF Datatracker)
reference
standards-track mapping of HTTP semantics onto QUIC streams, and how HTTP/2 extensions port over
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HTTP: Hypertext Transfer Protocol | MDN
(MDN Web Docs)
reference
HTTP protocol guides and per-header/method/status reference for the client-server web model
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Apache CouchDB
(couchdb.apache.org)
tool
JSON document store with an HTTP API and a replication protocol reaching mobile and browsers
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Varnish Cache
(Varnish Cache)
tool
In-memory HTTP accelerator with VCL policy language and in-process TLS, open source
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GitHub - wg/wrk: Modern HTTP benchmarking tool
(GitHub)
repo
Multithreaded HTTP load generator on epoll/kqueue, with optional LuaJIT request and report scripting
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https://www.rfc-editor.org/rfc/rfc8484.html
(rfc-editor.org)
reference
IETF Standards Track spec mapping each DNS query-response pair onto an HTTPS exchange