What are some alternatives?
When comparing ManageEngine ADManager Plus and Keeper for Business, you can also consider the following products
Oracle Identity Manager - Oracle Identity Management enables oganizations to effectively manage the end-to-end lifecycle of user identities across all enterprise resources.
OneLogin - On-demand SSO, directory integration, user provisioning and more
WebTitan - WebTitan is an advanced DNS based web content filter and web security layer that blocks malware, ransomware and phishing attempts as well as providing web content control. Cloud and gateway versions available.
Okta - Enterprise-grade identity management for all your apps, users & devices
1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
JumpCloud - Cloud-based directory services. Alternative to Microsoft Active Directory.