- Salesforce –https://www.salesforce.com/au/platform/sandboxes-environments/
- Zoom – https://community.zoom.com/t5/Zoom-Meetings/Test-Environment/m-p/72946
- O365 – https://learn.microsoft.com/en-us/office/developer-program/microsoft-365-developer-program-get-started
- Zoom – https://community.zoom.com/t5/Zoom-Meetings/Test-Environment/m-p/72946