- Virtualization: KVM
- Linux servers: Ubuntu, Fedora, Debian, CentOS
- Non-Linux servers: FreeBSD & custom
DigitalOcean has a control panel that's intuitive and easy to use, new servers (Droplets) can be spun up in under a minute and they offer stock "apps" (LAMP, RoR, Wordpress) that can be deployed instantly. There's also an extensive documentation for people new to VPS.