About Caucho

cau’cho n. The resin derived from the Argentinean Cauchilla tree.

Caucho Technology

“Our engineering shop is focused on high performance and lightweight solutions for developers. We are excited to enhance Resin this year with an extremely useful CDI-based toolkit for administration, health and cloud support.” Steve Montal, Co-Founder.


2015: Dreamforce runs on Resin and reports zero issues
2014: Caucho releases Baratine, a new distributed in-memory Java service platform
2013: Caucho celebrates 15-year anniversary
2012: Netcraft reports 4.7 million sites deployed on Resin
2011: Caucho named “Cool Vendor” and “Visionary” by Gartner
2011: Resin 4.0 Cloud Optimized and Web Profile certified
2010: Resin leads Web Profile technology and keynotes TSSJS
2009: Cloud Support and Administration features
2008: Resin 3rd generation Clustering and introduces CDI
2007: Resin 3.1 released
2006: Japan’s largest online gaming portal deploys on Resin
2006: Caucho releases Quercus, a PHP-Java implemented in 100% Java
2005: Caucho becomes Sun Microsystem J2EE licensee
2004: Hessian 1.0 spec. released
2003: e-gatematrix deploys on Resin
2002: CNET deploys on Resin
2001: AltaVista search deploys on Resin
2001: Caucho & NTT Data Intramart launch partnership
2000: Salesforce deploys on Resin
1999: Resin 1.0 released
1998: Caucho founded

Engineering Projects


Quercus is Caucho’s implementation of PHP written in Java to improve performance, scalability and security of PHP applications


Hessian is a fast, compact, binary protocol that not only outperforms XML-based remoting protocols like SOAP and XML-RPC but also meets or exceeds the performance of other binary protocols like ORMI and Java JNI