Since 2005, we are engaged in websites design, implementation, maintenance and hosting on both Windows and Linux platforms, with websites built from ground-up using PHP and MySQL, to websites powered by WordPress, Drupal and Joomla.

AVCALC excels in management of Windows and Linux servers installed on dedicated hardware as well as virtual machines powered by VMware ESXi and Citrix Hypervisor (XenServer), and virtual servers hosted on Amazon (AWS) and Microsoft (Azure) clouds.

Our customers can rely on AVCALC expert knowledge of and experience with Amazon Web Services (AWS), Microsoft Azure, Microsoft Office 365, VMware ESXi and Citrix Hypervisor (XenServer).

AVCALC stands ready to share its 25+ years of expert knowledge of z/OS platform, z/OS system services and z/OS internals with any IBM Mainframe shop in need of assistance.

AVCALC proudly owns, authors, develops, maintains and hosts the ever growing in popularity, the conversions and calculations Aqua-Calc.com website. The website now includes more than 850,000 online calculators, conversions, reference and tutorial pages, with more than a million pageviews per month, from visitors all around the world.

AVCALC proudly owns, authors, hosts and manages InternetAndPsychiatry.com website, the most influential non-commercial website in the field of psychiatry.