About this software
What is db4o?
db4o (database for objects) is the open source object database. Features include native Java and .NET object persistence, object-oriented replication, automatic schema recognition, 400K footprint. Ideal for embedded use and in realtime systems.
Read the full db4o review and feature list →
Requirements
System requirements
Java VM or .NET
Tips
Download tips
If a mirror is slow or temporarily offline, just pick another from the list above — every mirror serves the identical
390 KBfile. Each link launches a brief
5-second redirect page so we can track which mirrors are healthiest.
✓
Verified clean. Every db4o build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance
db4o specifications
- Last updated
- Mar 2, 2025
- License
- Freeware
- Operating system
- Windows 95/98/Me/NT/2000/Windows 10/11
- File size
- 390 KB
- Filename
- download.aspx?file=db4o-5.5-java.zip
- Mirror count
- 1
- Price
- Free
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