Squid is free software and a collaborative project. If you find Squid useful, please consider contributing back to the project in one or more of the following ways:
Participate on the squid-users discussion list. Answer questions and help out new users.
Try out new versions and report bugs or other problems.
Contribute to the online documentation and Frequently Asked Questions (FAQ). If you notice an inconsistency, report it to the maintainers.
Submit your local modifications back to the developers for inclusion into the code base.
Provide financial support to one or more developers through small development contracts.
Tell the developers about features you would like to have.
Tell your friends and colleagues that Squid is cool.
Squid is released as free software under the GNU General Public License. This means, for example, that anyone who distributes Squid must make the source code available to you. See http://www.gnu.org/licenses/gpl-faq.html for more information about the GPL.