There is no more need to use dozens of apps for communication between team members. You can make notes and comments straight on the web page with your entire team at the same time.
People often use Product Hunt to search for their next personal or work tool. Encourage your community to leave reviews on Product Hunt — they play a key role in helping users to discover (ooh, SEO!) and select your product.
Use website badges to encourage your community to follow you on Product Hunt. They're easy to embed on your homepage or footer, and subscribers can keep track of future product updates.