Source: Product Hunt Launch Guide

Facebook Groups

• https://www.facebook.com/groups/ProductHuntBerlin
• https://www.facebook.com/groups/612366049190855
• https://www.facebook.com/groups/producthuntupvoters
• https://www.facebook.com/groups/producthuntupvotes
• https://www.facebook.com/groups/producthunt.exchange
• https://www.facebook.com/groups/producthuntexchangecommunity
• https://www.facebook.com/groups/producthuntupvote
• https://www.facebook.com/groups/producthuntgermany/
• https://www.facebook.com/groups/388232458714072/

Slack Groups

• product-school.slack.com
• indieworldwide.slack.com
• startupstudygroup.slack.com
• launch-chat.slack.com
• growthhackertalk.slack.com
• programmaticmarketing.slack.com
• makers-kitchen.slack.com
• pigeonhack.slack.com