Freshdesk has paid plans which enable you to get the most out of your support portal, however, you could always test the waters with our Free plan (previously Sprout).
To activate the Free plan:
Please navigate to Admin -> Account -> Plans and billing to choose Free from the list of plans.
Choose the Free plan. Note that your total will show $0. Once done, you would be able to see the updated pricing page stating that you are in the free plan.
If you want to add more agents (full-time or occasional agents), you will need to provide your credit card details. by clicking on 'enter' payment details to add more agents or to upgrade your current plan.
After providing your details, kindly click on Change plan to choose the number of agents you want to have. You can refer to this link for a brief comparison of the various plans we offer to make an informed decision.