
Keycloak
ZITADEL
Auth0
authentik
VoidAuth
Hanko
AuthKit
Authelia is an open-source authentication server providing SSO and two-factor for your applications running behind NGINX.

Mailflow.sh
Stackmail is a webmail service whereby you can log in to your emails from any browser at any time!
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | authelia.com | stackmail.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Authelia yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
2 Factor Auth and Single Sign On with Authelia
More videos
No StackMail videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Authelia and StackMail. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Authelia is a free, open-source, self-hosted Single Sign-on (SSO) project for the enterprise. It features a fancy stylish login window, one-time password setup, pushes notifications, and more.
Authelia is highly rich-featured and scalable SSO software. It offers great security and provides single sign-on and login regulation abilities. This open source software also provides support for LDAP and Active...
We have no reviews of StackMail yet. Be the first one to post
When comparing Authelia and StackMail, you can also consider the following products.

Open Source Identity and Access Management for modern Applications and Services.
Compare Keycloak to Authelia or StackMail:

A self-hosted, unified webmail client. Connect multiple IMAP/SMTP accounts and manage them all in one clean interface.
Compare Mailflow.sh to Authelia or StackMail:


Auth0 is a program for people to get authentication and authorization services for their own business use.
Compare Auth0 to Authelia or StackMail:

authentik is an open-source identity provider focused on flexibility and versatility.
Compare authentik to Authelia or StackMail:
Single Sign-On for Your Self-Hosted Universe 🐈⬛🔒
Compare VoidAuth to Authelia or StackMail: