Download DiffDog Server

Use this page to download Version 2019.

Altova DiffDog Server 2019

automates generation of diff reports comparing files and directories on high-performance servers.

Start a FREE 30-day trial or activate with your purchased license key code

Altova LicenseServer

provides license management for Altova server and desktop products. Note: the LicenseServer is included in the DiffDog Server installation package for Windows; you only have to download it separately for Linux and MacOS X.

Free Download

Previous Releases of DiffDog Server

If you need to access previous software releases (e.g., to reinstall a previously purchased product after a hardware failure), you can access older versions of DiffDog Server here:

Software Release
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Free Trial Evaluation Information

To start your free, 30-day trial, simply download and install the server software you wish to evaluate, along with the free Altova LicenseServer.

Provided free-of-charge, the LicenseServer will allow you to request and manage free trial keycode(s). Upon request you will receive an email with your personalized evaluation keycode, which will unlock the software for 30 days.

All you need to do is install one instance of the Altova LicenseServer on your network and access it from any browser to request new evaluation license key codes, enter purchased licensed key codes, and assign them from one central web-based management console to any of the servers on your network.

Instructions for requesting a free server trial using Altova LicenseServer are available here.