Which is the best 3d slicer software for DLP/SLA printer?

[Chinmoy]

Hi,

I’m interested in buying spark maker sla printer, I want to know which is the best 3d slicer sla printer apart from spark studio 1.9 v.?

Are these (other 3d slicer software) compatible with the spark maker?

Are these software free to download?

[sonali31]

3D slicer software are :
1)3DPrinterOS

2)Astropint

3)Cura

4)icsSL