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Welcome to the download page - where the journey begins!

You will need 3 components to build a production vxVistA system.
vxVistA Open Source Stack
vxVistA Open Source Stack
Which is comprised of all the M programs and other executables that make up the application code set. vxVistA 15.0 is licensed under the Apache 2.0 License.
The M language data base engine
The M language data base engine
If needed you can Request your 30 days / 30 users InterSystems Cache Evaluation License sending an email to with your request including fullname and valid email address. It should be noted that in order to start all the VistA processes responsible to connect GUI apps to the database end, you would need more than a single user license
Common Procedural Terminology (CPT) codes
Common Procedural Terminology (CPT) codes
Primarily for US users, you will need the Common Procedural Terminology (CPT) codes from the American Medical Association. Since both Cache and the CPT codes are proprietary, they are not available from this open source website.

Download vxVistA Open Source

(This process is under construction.Thanks for your patience and support.) username and Password username and Password
To download vxVistA the FTP server will require your username and password.
Registration form
Registration form
Please complete the download registration form in a new window. Only name and email are required fields.
Apache 2.0 License
Apache 2.0 License
vxVistA is released under the Apache 2.0 license, please read and accept the Terms and Conditions of the license.
Download vxVistA Open Source Stack
Download vxVistA Open Source Stack
Once the registration form is completed and the Apache 2.0 License is accepted, provide your username and password to the ftp server and proceed with the download of vxVistA. There are two versions, one for Windows Environment and one for Linux Environment



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Copyright 2016, DSS, Inc.

vxVistA 15.0 is licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.

You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and
limitations under the License.



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