Most teams start with SaaS. On-premise is for organizations whose infrastructure or data residency requirements call for a self-hosted deployment.
For deployment models and the infrastructure boundaries behind each one, see Deployment. For the data and access questions to work through before either path, see Security and privacy.
Make a decision
SaaS vs. on-premise
Choosing between the hosted Oximy SaaS and a self-hosted deployment.
Sidekick runs as hosted SaaS at app.oximy.com, or on-premise, deployed into your own environment. Both are the same product: the same threads, governance, and placements. What differs is who runs the infrastructure underneath.