OpenMRS app to download?

i would like to ask which app (OpenMRS) should i download? Standalone or WAR

You testing and production purposes you can always go to https://openmrs.org/download/

or as a developer you can always use

  1. Use SDK OpenMRS SDK - Documentation - OpenMRS Wiki

  2. Clone ( download a copy of your github folk ) from OpenMRS organisation explore all repository at OpenMRS · GitHub

did you also look at Getting Started as a developer