Past and Present Sponsors

In addition to the numerous volunteer developers (see CONTRIBUTORS), the following organizations have provided financial or other support for Squid:

The National Science Foundation

The NSF was the primary funding source for Squid development from 1996-2000. Two grants (#NCR-9616602, #NCR-9521745) received through the Advanced Networking Infrastructure and Research (ANIR) Division were administered by the University of California San Diego.

MARA Systems AB -

MARA systems has sponsored the bug fixing and maintentnance for most Squid-2.5 releases, and a number of new features to be found in Squid-3.

The Measurement Factory -

The Measurement Factory is a home base of the Squid creator and Squid book author Duane Wessels. The Factory funds Squid development and maintenance, provides hardware and bandwidth for Squid web site, runs a distributed testbed of Squid web caches, and helps coordinate commercial support activities. Factory products are used to test Squid performance and functionality.

Swell Technology -

Swell Technology provided development and testing support to the Squid project, as well as hardware donations for Squid developers.

Picture IQ -

Bought simple support for the Vary header, to help their accelerator setups.


SGI has provided hardware donations for Squid developers.

Zope Corporation -

Zope Corporation funded the development of the ESI protocol ( in Squid to provide greater cachability of dynamic and personalized pages by caching common page components. Zope engaged one of the core Squid developers for the project.

craigslist -

craigslist has provided funding in recognition of the vital role squid plays in their web serving architecture.

webwasher AG -

webwasher AG paid for improvements to Squid's iCAP client implementation. You can find the results of this work at

iiNet Ltd -

iiNet Ltd contributed significant development resources to Squid during its early stages and was instrumental in its early adoption in the local internet community. iiNet has also recently supplied equipment to help develop and test the WCCPv2 implementation in Squid-2.6 and Squid-3.

Kaspersky Lab -

Kaspersky Lab funded initial development of ICAP support in Squid-3.

Barefruit -

Barefruit has funded Squid3 development and maintenance, with a focus on the ICAP (RFC 3507) client support.

Palisade Systems -

Palisade Systems funded SSL Bump feature development in Squid3.

Treehouse Networks, NZ - htp://

Treehouse Networks has contributed significant development resources toward Squid-3 development and maintenance for their customer gateways and CDN.







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