Thousands of forums stagnate on unsupported PHPBB versions because migrations are technical and risky.
Provide a concierge service that handles Dockerization, data migration, and theme updates to modern platforms like Discourse.
Charge $500-$2000 per migration depending on post volume and customization needs.
Start by documenting common pain points in public guides to attract leads.
Risk: Niche may shrink as remaining forums shut down rather than upgrade.