YaCy is a search engine that anyone can use to index the Internet (WWW and FTP) or to create a search portal for others (Internet or intranet). The scale of YaCy is limited only by the number of users. and can index billions of web pages. In P2P mode it is fully decentralized. All users of the search engine network are equal and it is not possible for anyone to censor the content of the distributed index.
Squid Account Management System (SAMS) is a Web-based interface and tool to manage users of a squid proxy server. It can manage users' access to squid, prohibition of users' to access to specific URLs, rewriting of requested URLs to graphical resources, and delay pools for user groups. It can save and build reports of users' statistics.
Ziproxy is a high-performance forwarding (non-caching) HTTP proxy that gzips text and HTML files, and reduces the size of images by converting them to lower quality JPEGs or JPEG 2000. It is intended to increase the speed for low-speed Internet connections (mobile, dial-up, other). It's suitable for both home and professional usage. Ziproxy is fully configurable and also features transparent proxy mode, HTML/JS/CSS optimization, operation in daemon mode, a detailed access log with compression statistics, basic authentication, and more.
Smart Cache is full-featured pure Java proxy cache server. It can cache any pages and make them available for offline browsing. Other features include a URL filter, cookie filter, ability to fake User-Agents, Referer, and Cookie headers, Web forwarder (accelerator) mode, background downloading, multiple logs, fast operation, very configurable garbage collection, cache directory structure copies server structure, and cached files are ready for use (no headers inside).
Cyan Secure Web Proxy Server is a carrier grade, high performance Internet filtering proxy server for Linux. It includes scalable (user/group/host) Web filter and virus scan utilities for blocking malicious applications at the gateway. It has an advanced URL database, authentication support (Active Directory, LDAP, NTLM), SSL Interception, easy deployment, and remote administration.
PesterCat is a Web testing tool that was designed to perform functional testing for Web applications. It features an integrated proxy recorder that enables you to record scripts using your favorite Web browser. Its key features include recording and playback of HTTP Web requests, an XML script format, SQL database validations using JDBC, variables and variable setters, and Ant tasks that automate testing.