# Case Studies

- [Immediate Assistance on Demand](/1.3/use-cases/case-studies/immediate-assistance-on-demand.md)
- [Service Provider Reimbursement](/1.3/use-cases/case-studies/service-provider-reimbursement.md)
- [Customise ODK Form - Add Ethiopian Calendar](/1.3/use-cases/case-studies/support-for-ethiopian-calendar.md)