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The Leading Online Registration Software
Rainier puts you in total control!
Our innovative Software-as-a-Service ("SaaS" or "On Demand" software) is used by organizations to market, manage, and monitor online registration for everything from sports leagues to cooking classes to industrial training to association conventions; simply, and quickly, anytime from any computer. We're really easy to work with and will have you up and running in days.
We help make your job easier!
Rainier operates four brands, each with a focused solution for a specific market segment. Our brands have been the trusted online registration and online registration software provider for more than a thousand organizations, for tens of thousands of activities and events, for millions of transactions and for hundreds of millions in payments. Learn more about the brand that's the best fit for your needs by visiting their websites:

Count Me In provides online sports registration that makes it easy to attract new players, volunteers, and sponsors. Perfect for all sports and camps, our league management software provides all the tools needed to manage your league. Learn more.

Turnstile Systems provides online class registration and event management software. Our solution is flexible, comprehensive, affordable and quick to deploy. We extend the capabilities of your events team – and support them free telephone support. Learn more.

Alumni Software's breakthrough online alumni registration makes Alumni management a snap from start to finish - helping you build and leverage a valuable alumni community. Virtually no detail is left to chance. Learn more.

All Registrations provides online registration and registration management software for any need. From Red Cross chapters to military housing to professional associations to warranty registration, our solution can handle all that you need. Learn more.