Open-School Comes in two flavors.
Open-School Community Edition and Open-School Premium Edition.
The Community Edition License is Open-Source and can be downloaded for free from Git-Hub and Source-Forge.
The Premium version is given on a commercial license and requires making a one time license fee. But this version is regularly updated and supported by the Company. It is also a more comprehensive product overall.
|Open-School Community Edition||$0 1||
This is the Open-Source Version of Open School. You are Free to use the software and create iterations of it, provided under Open-Source (Apache 2.0) license.
|Open-School Premium Edition||$999 1||
The most updated version of Open-School ever, with all the features you ever wanted. https://open-school.org/pricing