WaitlistKit – Viral waitlist widget with no backend setup

Summary: WaitlistKit is a single script tag that adds an email capture form with built-in viral referrals to your site. It requires no backend, database, or complex configuration and includes a free tier with 100 signups.

What it does

It provides a waitlist widget by embedding one script tag, enabling email collection and viral referral tracking without any server-side setup.

Who it's for

Startups and pre-launch projects needing simple email capture and referral tools without ongoing costs or infrastructure.

Why it matters

It eliminates the need for backend development and expensive email collection services during early validation phases.