Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
OneLogin - On-demand SSO, directory integration, user provisioning and more
UptimeRobot - Free Website Uptime Monitoring
AuthAnvil - AuthAnvil software is an integrated identity and access management tool designed to help IT managers service their networks, infrastructure network, and ensure that devices are safe and secure at all times. Read more about AuthAnvil.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
TeamPassword - TeamPassword helps you manage and share access to the apps, services, and tools your team needs to keep projects moving.