Welcome to FrogThinker!

This web site is still under construction. My goal is to provide various resources that will help you build Highly Available infrastructures for your business using open source software.

The currently most active projects are:

• Sequoia: the award-winning database clustering middleware
• Drivolution: a new architecture that allows seemless distribution and upgrade of database drivers.

These projects integrate well with existing open source or commercial multi-tier applications and technologies such as:

• Web frontends: Apache httpd (w/ mod_jk, PHP, Perl, CGI...), Tomcat, Microsoft IIS...
• JavaEE: JBoss, Apache Geronimo, JOnAS, Sun Glassfish, IBM Websphere, BEA Weblogic... 
• Databases: MySQL, PostgreSQL, Apache Derby (a.k.a JavaDB), HSQLDB, Firebird, Sybase, Oracle, MS SQL Server, IBM DB2...
• Management frameworks & tools: Nagios, Ganglia, JMX consoles, SQL consoles...
• Virtualization technologies: Xen, VMWare, Virtuozzo...
• HA technologies: LVS (Linux Virtual Server), L4 switches, Network bonding, Heartbeat...

You can if you need consulting, training, support or custom developments. I provide best effort support on the community mailing lists for the projects I develop, so post your technical questions directly on those lists.