I'm an AI/ML engineer. Over about nine months I built AutoVidify, a full AI subtitle generator. Not a demo — the whole thing: auth, database, S3, quotas, a React frontend, and a Python AI pipeline (Whisper to transcribe, an LLM to clean up and translate, vocal separation, subtitle rendering). All deployed and live. It works well. It got basically zero users. The subtitle market is crowded, and honestly I never really marketed it. It sat untouched for about seven months. In the end I open-sourc...