Best Products
Launches
Launch archive
Most-loved launches by the community
Launch Guide
Checklists and pro tips for launching
News
Newsletter
The best of Product Hunt, every day
Stories
Tech news, interviews, and tips from makers
Changelog
New Product Hunt features and releases
Forums
Forums
Ask questions, find support, and connect
Streaks
The most active community members
Events
Meet others online and in-person
Advertise
Subscribe
Sign in
Stack Auth
Open-source Auth0/Clerk Alternative
5.0
•
4 reviews
•
374 followers
Open-source Auth0/Clerk Alternative
5.0
•
4 reviews
•
374 followers
Visit website
Authentication & identity tools
Stack Auth is a managed user authentication solution. It is developer-friendly and fully open-source & self-hostable. Stack gets you started in just five minutes, after which you'll be ready to use all of its features as you grow your project.
Overview
Launches
1
Reviews
4
Alternatives
Customers
Built with
Team
More
Subscribe
Sign in
Social
X
Top Product Categories
Engineering & Development
LLMs
Productivity
Marketing & Sales
Design & Creative
Social & Community
Finance
AI Agents
Engineering & Development
Vibe Coding Tools
AI Coding Agents
AI Code Editors
LLMs
AI Chatbots
AI Infrastructure Tools
Prompt Engineering Tools
Productivity
AI notetakers
Note and writing apps
Team collaboration software
Search
Marketing & Sales
Lead generation software
Marketing automation platforms
Design & Creative
Video editing
Design resources
Graphic design tools
AI Generative Media
Social & Community
Social Networking
Professional networking platforms
Community management
Finance
Accounting software
Fundraising resources
Investing
AI Agents
AI Voice Agents
AI Agent Automation
See All Categories >>
Trending categories
Top reviewed
Trending products
Top forum threads
Trending categories
Vibe Coding Tools
AI Dictation Apps
AI notetakers
Code Review Tools
No-code Platforms
Figma Plugins
Static site generators
Top reviewed
Lovable
n8n
Attio
PostHog
Vapi
Granola
Raycast
Supabase
Trending products
Lovable
Screen Studio
bolt.new
Wispr Flow
Framer
Replit
Vapi
Granola
Top forum threads
Cursor or Claude Code?
POLL: Domain or product first?
YC deadline in <2 weeks; Who's applying?
We Got into YC, Got Kicked Out, and Fought Our Way Back
How Wispr Flow found PMF through pivot
Best Vibe Coding tool so far?
Landing page roast - 48 hours only
Fix your tagline with the PH CEO
© 2026 Product Hunt
Newsletter
Apps
About
FAQ
Terms
Privacy & Cookies
Privacy Choices
Advertise
llms.txt
Contact us:
hello@producthunt.com
Stack Auth Alternatives
Exploring open-source auth with Stack Auth? Try
Clerk
for polished user UIs,
Firebase
for auth + backend,
Descope
for drag-and-drop flows,
Auth0
for enterprise SSO, and
PropelAuth
to ship fast without boilerplate.
Alternatives Discussion
p/general
by
Laura Genno
•
7mo ago
What's your favorite transactional + marketing email stack for an early-stage startup?
6
Show more forum threads
Alternative Products
Most relevant
security
(27)
multi-factor authentication
(16)
passwordless authentication
(24)
tech
(44)
github
(18)
productivity
(22)
single sign-on (sso)
(11)
software engineering
(7)
saas
(33)
authentication management
(16)
user experience
(16)
open source
(37)
no-code
(7)
social logins
(2)
api
(25)
Clerk
An authentication and user management platform
5.0
(
75 reviews
)
Authentication & identity tools
multi-factor authentication
social logins
productivity
api
saas
Unfollow
Following
Follow
PropelAuth
Authentication that works before you write any code
5.0
(
11 reviews
)
Authentication & identity tools
social logins
user experience
tech
Unfollow
Following
Follow
Appwrite
The developers' cloud
4.7
(
31 reviews
)
File storage and sharing apps
•
Authentication & identity tools
•
Databases and backend frameworks
authentication management
open source
productivity
software engineering
github
Unfollow
Following
Follow
Auth0
Secure access for everyone. But not just anyone.
5.0
(
13 reviews
)
Authentication & identity tools
authentication management
multi-factor authentication
passwordless authentication
single sign-on (sso)
productivity
Unfollow
Following
Follow
Descope
Drag-and-drop authentication for your app
4.8
(
10 reviews
)
No-code Platforms
•
Authentication & identity tools
•
User research
multi-factor authentication
passwordless authentication
saas
no-code
Unfollow
Following
Follow
Stytch
User infrastructure for modern applications
5.0
(
3 reviews
)
Authentication & identity tools
passwordless authentication
single sign-on (sso)
saas
security
Unfollow
Following
Follow
Kinde
Simple, powerful authentication you can integrate in minutes
5.0
(
2 reviews
)
Authentication & identity tools
multi-factor authentication
passwordless authentication
single sign-on (sso)
saas
software engineering
Unfollow
Following
Follow
Logto
The better identity infrastructure for developers.
5.0
(
5 reviews
)
Authentication & identity tools
open source
multi-factor authentication
passwordless authentication
saas
github
Unfollow
Following
Follow
BoxyHQ
Security Building Blocks for Developers
5.0
(
3 reviews
)
Authentication & identity tools
open source
productivity
saas
github
tech
Unfollow
Following
Follow
Authorizer
Open source authentication and authorization solution
4.8
(
4 reviews
)
Authentication & identity tools
open source
multi-factor authentication
passwordless authentication
Unfollow
Following
Follow
See more alternatives
