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WebMO - Computational chemistry on the WWW
Recent news

WebMO 19.0 is now available for free download!

WebMO 19.0 Pro and Enterprise have a variety of additional features and is available for purchase.

The WebMO app is now available for iOS and Android.

March 31, 2020
WebMO System Requirements


For installation details, see the Windows installation instructions.

Linux/Unix/Mac OS X

  • Web server (apache, ...) capable of executing CGI scripts
  • Perl interpreter version 5.0 or higher
  • 5 MB free space for WebMO scripts and HTML
  • 100 MB+ free space for user files and scratch files
  • 'sendmail' for optional e-mail notification
  • One or more installed Unix computational chemistry programs
For installation details, see the Unix or Mac OS X installation instructions.

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