Yes, FunnelFlux is a self-hosted software that you must install on your own server. Generally a $20/mo VPS will suffice.
We have a deployment manager that automates installation on our recommended providers, and will install FunnelFlux on any of these free of charge.
Our recommended providers are:
We can assist with installation on other servers but do not recommend installing FunnelFlux in VPS cPanel environments, with other things hosted on the server.
Trackers are best put in a sandbox where their performance and requirements are not limited by, nor detrimentally impact other systems on the virtual server.