> For the complete documentation index, see [llms.txt](https://docs.stackerhq.com/stacker-classic/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.stackerhq.com/stacker-classic/users.md).

# Users

- [Introduction to users in Stacker](https://docs.stackerhq.com/stacker-classic/users/introduction-to-users-in-stacker.md)
- [Users: Overview](https://docs.stackerhq.com/stacker-classic/users/users-overview.md)
- [Users: Workspace Collaborators](https://docs.stackerhq.com/stacker-classic/users/users-workspace-collaborators.md)
- [Workspace Users](https://docs.stackerhq.com/stacker-classic/users/users-workspace-collaborators/workspace-users.md)
- [Users: App Users](https://docs.stackerhq.com/stacker-classic/users/users-app-users.md)
- [Adding users to your app](https://docs.stackerhq.com/stacker-classic/users/users-app-users/adding-users-to-your-app.md)
- [Login flow for users](https://docs.stackerhq.com/stacker-classic/users/users-app-users/login-flow-for-users.md)
- [Open Signup](https://docs.stackerhq.com/stacker-classic/users/users-app-users/open-signup.md)
- [Registering and Logging in](https://docs.stackerhq.com/stacker-classic/users/users-app-users/registering-and-logging-in.md)
- [Previewing an app as a user for testing](https://docs.stackerhq.com/stacker-classic/users/previewing-an-app-as-a-user-for-testing.md)