Do more of the things that you love.
Knock4 lets you immerse yourself in your interests. Watch the video and register to get early access!
Knock4 is an interest-based social network which allows you to explore your interests and hobbies on and off-line in a social environment.
Our mission is to engage people in their interests and enhance the sense of local community.
Express you interest at the top of the page and we'll keep you updated on the progress of Knock4.