DDMarketer mines real user complaints across Reddit, Hacker News, Trustpilot, Stack Exchange, forums, and X into validated SaaS opportunities — scored 0–100 for buying intent. Every gap clears an editorial gate and ships with a validation playbook (communities, DM scripts, survey). Unlike Reddit-only tools like GummySearch (shut down in 2025), DDMarketer's six-source pipeline can't be killed by one API change. Free tier available, full database from $49/mo.
