open source tool

Open source search engine for Internet and Intranet sites

Open source POP3/SMTP mail server with AJAX webmail and multiple domains.

Open source POP3/SMTP mail server with AJAX webmail and multiple domains.

Open Source Customer Relationship Management for Small and Medium Businesses.

Open source add-in that creates sparklines for Excel

Open-Source Customizable Web Filtering Proxy Server

Open source decoder used for the fast and high-quality decoding of video in MPEG

Open source PHP platform that has GUI and web application development frameworks

An open-source GUI prototyping tool

ArgoUML is the leading open source UML modeling tool.