Sylve is described as 'Lightweight, open-source management platform for FreeBSD. It combines Bhyve virtual machines, FreeBSD Jails, and ZFS storage into a modern web interface designed to deliver a streamlined, Proxmox-like experience tailored for FreeBSD environments' and is a Virtualization tool in the network & admin category. There are more than 25 alternatives to Sylve for a variety of platforms, including Linux, Self-Hosted, Windows, Mac and Web-based apps. The best Sylve alternative is VirtualBox, which is both free and Open Source. Other great apps like Sylve are Proxmox Virtual Environment, OpenStack, SmartOS and VMware vSphere Hypervisor.