Very large in-memory database: in our benchmark, eXtremeDB-64 scales beyond 1.17 TB & delivers 87.78 million transactions/second.

Free, on-demand Webinars! Topics include High Availability, key embedded database selection criteria, and more.

Get Perst, the open source, object-oriented embedded database for Java and .NET.

New Embedded Systems Design article details eXtremeDB in-memory database's role in F5 Networks' BIG-IP application delivery device.

eXtremeDB-64 scales massively as Web cache for Tagged’s social networking application! Read the press release.

Perst Lite brings embedded database superpowers to Carbon Hero’s Java ME app. Learn more.

McObject alliance with G3Tek aims at Turkey’s fast-growing embedded technology sector. Get details...

McObject expands in China, adding a team in Beijing with deep experience in embedded database systems.

McObject's eXtremeDB Kernel Mode embedded database takes top honors in eg3.com's survey of most promising new embedded software! Read more.

New to McObject’s eXtremeDB embedded database? Click here for our 3-minute movie!

The eXtremeDB embedded database meets more real-time development challenges!

Develop better software, faster - get eXtremeDB today!

Perst, a uniquely powerful embedded database system for Java, Java ME and .NET

  • Unparalleled ease in working with Java and .NET objects
  • Specialized indexes - R-Tree, T-Tree, KD-Tree and more
  • Compact - Just 5000 lines of code
  • Open source code, freely downloadable
  • Fast - see our benchmark comparisons
  • Object-oriented for the most efficient object storage
  • Perst Lite - An OODBMS for BlackBerry, Nokia Nseries and other Java ME-based devices

Go to Perst's Web page, download the in-depth Introduction and Tutorial, or get the Perst software, with complete source code.

These companies are among the technology innovators using McObject’s embedded database systems: 


BIG-IP application delivery device


Advanced Programming Guide for digital television set-top boxes

Blowout prevention for undersea oil and gas drilling

Spirent TestCenter for development and QA of next-generation network devices

Mobile CRM on BlackBerry devices

Alneo MP3 player and audio technology 

Thermal control system

Social Graph application stores 100GB of user data in memory for instant access