Best Signup tools and stacks in 2026

Hand-picked signup stacks for founders, indie makers, and small teams. Each stack lists the exact tools, maps the integrations, and walks through setup step by step. Pick one and start shipping.

Collect waitlist emails

Build your list before you build your product. Ready in minutes.

View setup guide

Add login and signup

Let people sign up and log in securely. The boring auth stuff, handled.

View setup guide

Tools used across signup stacks

Tally Mailchimp Zapier Supabase Auth Resend Zod

Other categories

marketing stacks analytics stacks payments stacks email stacks engineering stacks sales stacks All categories →