r/ProductHunters is a subreddit for discussing products listed on Product Hunt. It's a good place to write a post to accompany your PH launch. r/ProductHunters has 7.5K member and is among the top 8% of subreddits by size.

r/webdev is community dedicated to all things web development: both front-end and back-end. This subreddit has 2.1M and is within the top 1% of subreddits by size.