Active Sessions Column With "Log Out Everywhere"
Shows how many devices each user is logged in on, with a link to end all of that user's sessions from the Users screen.
Snippet Library
Users snippets for WordPress
Snippets for user accounts, roles and profiles: extra profile fields, new columns in the users list, last-login tracking and tighter control of what each role can do. Handy for membership sites, client sites and teams with many authors.