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db4o (database for objects) download for Linux

Free download db4o (database for objects) Linux app to run online in Ubuntu online, Fedora online or Debian online

This is the Linux app named db4o (database for objects) whose latest release can be downloaded as db4o- It can be run online in the free hosting provider OnWorks for workstations.

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db4o (database for objects)



db4o is the world's leading open source object database for Java and .NET. Leverage fast native object persistence, ACID transactions, query-by-example, S.O.D.A object query API, automatic class schema evolution, small size (http://developer.db4o.com)



User interface

Java SWT

Programming Language

C#, Visual Basic .NET, Java, ASP.NET

Database Environment

Project is a file-based DBMS (database system), Other API, Proprietary file format


Sun Microsystems

Sun Microsystems' Java Platform lets you develop and deploy applications on desktops and servers, as well as today's demanding Embedded and Real-Time environments. db4objects is a Member of the Sun PartnerAdvantage Program at an Associate level.


Microsoft is the world's largest software company, spread over seven product segments: Client; Server and Tools; Information Worker; Microsoft Business Solutions; MSN; Mobile and Embedded Devices; and Home and Entertainment. db4objects is a Member of the Microsoft Embedded Partner Program.


ProSyst is an OSGi and Java pioneer. The company is entirely focussed on open standards technology and was most actively involved in helping to create the OSGi specifications R1 - R4 (JSR-232). ProSyst offers products and services for all vertical markets that use OSGi technology, such as Mobile Devices, Smart Home, Automotive, Enterprise and Industrial applications. db4objects and ProSyst have partnered to provide OSGi Solutions with integrated persistence.


ACCESS is a global company providing leading technology, software products and platforms for web browsing, mobile phones, wireless handhelds and other networked devices. db4objects is a Member of the ACCESS Connect Ecosystem Partner Program (ACE).

QNX Software Systems

QNX Software Systems, a division of Harman International, offers realtime OS technology, development tools, and professional services for developers of mission-critical embedded systems, such as the Neutrino RTOS. QNX and db4objects have collaborated to help automotive customers get lightning fast performance for the db4o object database on in-car computing applications. Consequently, db4objects and QNX formed a partnership to open their developer networks to each other and work on a well integrated suite of products.


Novell is a leading software company. Novell bundles db4o as part of their Mono distribution. db4objects is a Novell PartnerNet member.

OSGi Alliance

The OSGi Alliance is a worldwide consortium of technology innovators that advances a proven and mature process to assure interoperability of applications and services based on its component integration platform. db4objects is a member of the OSGi Alliance

Persistent Systems

Persistent Systems, a leader in outsourced software product development, specializes in Data Management & BI solutions including data warehousing and data persistence. With 16 years of product development experience, more than 170 customers and 1000+ release cycles, Persistent is headquartered in Pune, India and has a presence in the UK, USA and Japan. Persistent and db4objects have entered into a strategic alliance to help customers efficiently implement db4o's native object-oriented technology in their products, especially within tight time and budget constraints.

Quest Software

Quest Software's JProbe is db4objects' recommended Java profiler, and is used to meet the high demands of db4o users for optimal performance and memory usage.

JetBrain dotTrace

JetBrains dotTrace is a popular intelligent .NET profiler known for its efficiency and accuracy. Convenience, speed, and ease of use set dotTrace Profiler apart from the many profiling tools built for the Microsoft .NET platform. dotTrace lets you locate performance bottlenecks in your application, optimize memory usage, or find memory leaks. The db4objects team uses JetBrains dotTrace for performance profiling on .NET.

This is an application that can also be fetched from https://sourceforge.net/projects/db4o/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.

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