Caching (8)

• Free Plan Overview (cloudflare.com) organisation
  what Cloudflare hands out at no cost: DDoS protection, CDN, DNS, TLS and basic load balancing
  DNS Free Tier TLS #
• OpenLiteSpeed (openlitespeed.org) tool
  Free open-source LiteSpeed edition: event-driven, mod_rewrite-compatible, WebAdmin GUI, page cache
  Free Tier Web Server #
• squid : Optimising Web Delivery (squid-cache.org) tool
  GPL caching forward proxy for HTTP/HTTPS/FTP with access controls and cache hierarchies
  HTTP Reverse Proxy #
• Docs (Docs) reference
  cache, JSON, streams and vector-search guides; source-available core, paid Software and Cloud tiers
  Database Administration Key Value Store #
• Valkey (valkey.io) tool
  BSD-licensed Redis fork under the Linux Foundation: caching, queues or primary key/value store
  High Availability Key Value Store #
• memcached - a distributed memory object caching system (memcached.org) tool
  in-memory key-value cache for database, API and render results to offload web backends; free and open source
  Key Value Store Web Application #
• Varnish Cache (Varnish Cache) tool
  In-memory HTTP accelerator with VCL policy language and in-process TLS, open source
  HTTP Reverse Proxy #
• Knot Resolver (knot-resolver.cz) tool
  caching validating resolver from CZ.NIC with modular features and DoH; GPL, free to download
  DNS DNSSEC #