eXtremeDB in-memory embedded database for Linux, download now.

Hybrid (in-memory & on-disk) eXtremeDB Fusion embedded DBMS for Win32.

eXtremeSQL SQL ODBC interface for eXtremeDB (Win32).

Perst, an open source, object-oriented embedded database for Java &.NET.

All downloads - software, white papers, Webinars, docs & more!

McObject's eXtremeDB embedded database and Spirent TestCenter redefine scalability! Read more.

Our new recorded Webinar answers the question, "What Makes a Database System 'In-Memory'?"

Movimiento ATM and Perst Lite embedded database connect mobile workers via smartphone. Get details.

McObject partners with UK-based MPC Data in European embedded software markets. Read more.

Check out eXtremeDB's role in new consumer electronics, network appliance and biometric security devices!

McObject brings real-time eXtremeDB embedded database to Wind River's avionics platform. See the announcement.

Twitter users interested in following McObject, click here.

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 in mobile database applications
  • 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 and others 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