Domainz.io - Premium domains, for not so premium prices
Keycloak - Open Source Identity and Access Management for modern Applications and Services.
estibot - Domain name valuation
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
Park.io - The best place to backorder/drop purchase expiring ccTLD domain names.
CAS - Apereo CAS - Enterprise Single Sign On for the Web