The most effective way to get buy-sell signals is to download AFL scripts from community-driven libraries: Amibroker Download Full... - AutoBuySellSignal
Yes, you can obtain (AmiBroker Formula Language) from several online repositories, even while using the software's 30-day free trial . While the full version of AmiBroker is a paid professional platform, the "buy-sell signals" themselves are scripts that you can download and apply to your charts at no cost. Where to Download Free AmiBroker AFL Signals amibroker buy sell signal free software download