Question: Must I keep running cTrader in order to run cAlgo platform?
No, you can close cTrader trading platform and run cAlgo only as they are different applications.
cTrader and cAlgo have different intended end-usage.
cTrader for manual traders and users of custom indicators. cAlgo for users of Trading Robots.
Depends on your invention, you may run the platforms differently.
*To Install cAlgo platform, please go to “Links” and select “cAlgo” on cTrader trading platform.