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.

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Printable Version

Perst Open Source Java Database / .NET Database Evaluation Software

Download an open source / evaluation copy of the Perst™ embedded database for Java or .NET. Complete documentation can be downloaded separately.

Contact us to learn about a commercial license for Perst.

 

Perst and Perst Lite for Java
Perst open source / dual license embedded database for Java.
The Perst for Java distribution is compatible with Google's Android platform, and also includes Perst Lite for Java ME.
Build 408. Updated June 28, 2009. Change history:

  1. Add to Perst.Lite methods for packing/unpacking fields of Vector, Hashtable and Object type.
  2. Add StorageListener.queryExecution method to make it possible to profile queries execution.
  3. Add QueryProfiler class.
  4. Add scalable persistent map implementation for Perst.Lite.

Perst for .NET (C#) and .NET Compact Framework
Perst open source / dual license embedded database for .NET (C#) and .NET Compact Framework.
Build 408. Updated June 28, 2009. Change history:

  1. Silverlight port.
  2. Add StorageListener.QueryExecution method to make it possible to profile queries execution
  3. Add QueryProfiler class.
  4. Fix bug in case-insensitive field index

Perst Data Sheet

Perst ProScout demo
ProScout is a sample Java ME midlet, based on Perst Lite, that helps a sports recruiter manage information on a mobile device. ProScout has been tested in the PhoneME, Nokia S40 and S60, and Blackberry environments. Includes Getting Started file and commented source code.

Asynchronous version of the Perst implementation of PolePosition

ACID version of the Perst implementation of PolePosition

TestIndex for Android
TestIndex is an Android-ready database benchmark application, with complete source code, that measures performance using Perst on Android, and Android’s bundled SQLite database system, performing the same tasks. Download TestIndex. (This download consists of the TestIndex benchmark application. Click here to obtain a report on TestIndex results in both in the Android emulator and in T-Mobile's G1 smartphone.)