Squid Internet Object Cache
- A full-featured Web proxy cache which supports proxying and caching of HTTP, FTP, and other URLs, proxying for SSL, cache hierarchies, ICP, HTCP, CARP, Cache Digests. transparent caching, and much more. Website also available in Japanese. Documentation available in Brazilian Portuguese, German, Italian, Russian, and Turkish. Latest stable release is 3.0, 2007-12-13.