Do you need to buy a run time license from Sencha if your application code written is developed in Ext JS and deployed on a web server?http://www.sencha.com
Sencha Ext JS run time license
licensing;runtime;extjs
If your server app is open source, no... I.e. you give the code away freelyIf you don't want to give the code away, you need a license per developer working on the site.