c-icap is an implementation of an ICAP server. It can be used with HTTP proxies that support the ICAP protocol such as the Squid 3.x HTTP proxy server to implement content adaptation/filtering services.
Ziproxy is forwarding HTTP proxy server aimed to speed up low-bandwidth connections. It does so by gzipping HTML and using lossy compression of GIF, PNG and JPEG pictures. Ziproxy also offers JPEG 2000 support, transparent proxying and more.
yxorp is a reverse proxy and application level firewall for the HTTP protocol. It can do all kinds of checks on HTTP traffic, and is highly configurable. It also has other functions that are useful for a web frontend, like load balancing.
ModSecurity is a web application firewall that can work either embedded or as a reverse proxy. It provides protection from a range of attacks against web applications and allows for HTTP traffic monitoring, logging and real-time analysis.
Microsoft Exchange compatible server and client libraries
OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers.
OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native...
hcap is a small, highly configurable, multi-threaded HTTP proxy server. Its main purpose is to limit the bandwidth of HTTP requests and responses to and from the connecting client.
CLara is a framework that enables you to access the computing power of many graphics processors in an IP-based network using a kind of Client/Proxy/Server model. Its programming interface conforms to the OpenCL 1.0 standard.
Full-stack observability with actually useful AI | Grafana Cloud
Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.
Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
Authenticating proxy server software for Mac OS X. The front-end is written in Obj-C using the Cocoa framework, but the actual proxy daemon application is written in C using plain BSD sockets.
P3Scan is a fully transparent scanning proxy-server for email clients. It provides scanning of incoming/outgoing email messages for Virus''s, Worms, Trojans, Spam, and harmfull attachments. It can also parse messages for web-bugs.
stproxy is small, fast and efficient HTTP/SSL proxy, features: high-anonymous, basic http authorization, user management using web interface, asynchronous dns resolver, single-threaded (only one process-thread)
Antispyd is an HTTP/HTTPS threats filtering proxy server written in pure C under Linux. The main goal of the project is to develop a free, secure, fast and extensible solution to fight against current Web threats, anonymize and control web traffic.
Shweby is a new ICAP enabled proxy server. This proxy passes HTTP requests and responses through one or many ICAP servers in order to be modified in their way to the origin server or to the client.
SORBS - Spam and Open Relay Blocking System - NOT http://www.sorbs.net/ This project is to provide a SMTP proxy that automatically checks incoming SMTP connections for origination from a server with an unsecured SMTP server and/or Proxy server.
MSN ProxIRC is an IRC proxy (server) written in C++ which makes use of libMSN and OpenSSL. Whatever IRC server you are proxying, it shows virtual rooms to chat directly with your MSN contacts. Thread-safe and blazing fast.
This project is a authentication plugin for the Squid proxy server that authenticates users against an ldapv3 server. It includes support for static and dynamic groups.
ICUC, (I see, you see) means "What I see, is you see". ICUC allows 2 or more guys to share 1 telnet connnetion. it's also a detachable BBS(telnet) proxy server. What's more, there are timer and trigger to use, user can make a telnet rubost easily.
dircproxy is a detachable IRC proxy server that keeps you on IRC logs private and channel messages while you are detached then when you reconnect, spools them to you as if you hadn't been away.
Proxy is an IP filtering proxy server for Linux. It was written to solve the problem of being able to connect to machines behind a Linux firewall. There are both threaded and non-threaded versions of proxy in the download area.