Reverse proxy with http header, html and javascript code rewritter
...You can now replace any code by other, like changing images name or anything else. mod_proxy_html can't do all of that. Since release 3.0 ModProxyPerlHtml is also able to rewrite HTTP headers with refresh url redirection. One of the common used of ModProxyPerlHtml is as free replacement for ISA servers.
SWeTE is an HTTP reverse proxy that provides website translation. You can set up proxies for any sites, then connect a translation memory to the site to have it translated into any language. It provides a web-based translation form, and an option to translate strings using Google's translation API.
Web reverse proxy for Single Sign On (SSO). It can apply a security policy (profiles stored in a LDAP directory) to an existing set of applications, consolidate websites, encrypt all communications, rewrite simple URLs...
J2EP is a reverse proxy running on a J2EE engine. The proxy is written in java and was originally designed with Tomcat in mind, but any engine should work fine. A set of basic mapping rules are included but they can easily be extended to your own needs.
jRevProxy is a lightweight reverse proxy server fully written in Java. jRevProxy accepts HTTP and HTTPS requests and translates these into new requests based on a set of rules. HTTPS with client side authentication (X509 certificates) is supported.
Next generation reverse proxy : provides authentication and authorization services for all incoming HTTP traffic, in addition to offering transparent web SSO to protected applications.