Launches
Coming soon
Upcoming launches to watch
Launch archive
Most-loved launches by the community
Launch Guide
Checklists and pro tips for launching
Products
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
Knock Knock
Knock twice to connect, chat and swap contact info
•
1 review
•
4 followers
Visit website
Follow
Overview
Launches
Forums
Reviews
Team
Alternatives
More
Blog
•
Newsletter
•
Questions
•
Forums
•
Product Categories
•
Apps
•
About
•
FAQ
•
Terms
•
Privacy and Cookies
•
X.com
•
Facebook
•
Instagram
•
LinkedIn
•
YouTube
•
Advertise
© 2025 Product Hunt
Do you use Knock Knock?
I use this
I use something else
Recent Knock Knock Launches
Knock Knock
Knock twice to connect, chat and swap contact info
Launched on August 19th, 2015
12
113
Knock Knock Alternatives
Token
5 reviews
Password managers
Review Knock Knock?
5/5 based on 1 review
Leave a review
Reviews
Hayley Mead
•
1 review
Helpful
Share
Report
4yr ago
