How Often Are the Updates?
Updates are scheduled to happen once a month. If a bug is found, then an update will be available shortly after.
Is eduTrac SIS Free
Yes, eduTrac SIS is free and open source.
Where Can I Download eduTrac SIS?
You can create a free account to download the latest release.
Can I Install eduTrac SIS on a Shared Hosting Environment?
It is strongly discouraged to install eduTrac SIS on a shared hosting environment. Nevertheless, eduTrac SIS is built in a way in which it will work on a shared hosting environment without taking up much resource or constantly loading unnecessary amount of data at one time.
If you are looking for a hosting provider, DigitalOcean is the way to go. DigitalOcean is the best place to go to setup a VPS (Virtual Private Server).
Disclaimer: The above link to DigitalOcean is a referral link. Please consider using if you deem the project worthy.