OneLogin - On-demand SSO, directory integration, user provisioning and more
Twilio - Brings voice and messaging to your web and mobile applications.
TeamPassword - TeamPassword helps you manage and share access to the apps, services, and tools your team needs to keep projects moving.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Teramind - Teramind provides a user-centric security approach for monitoring.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates