Good ideas.
Real receipts.

Windmill sells to people who can afford a $4k a month agency, which is executives and funded founders. The huge underserved slice is solopreneurs, coaches, and job seekers who need the same thing at $50 to $200 a month self-serve, with a human touch only at the start. That's the opening, not because the big end is saturated but because nobody has been asked to sample it here at all.

Every product listed does generic faceless short-form video for everyone, which is why the ad-spenders win and the rest fight over scraps. The opening is a single ugly vertical nobody here owns outright: repurposing long-form content (podcasts, webinars, Zoom calls) into clips like Vidko does, or a single hyper-specific niche like Pawz did with pets, where the buyer already knows exactly what they want and isn't comparing five generic 'AI video generator' tools.

The incumbent sells broad faceless content production to anyone, priced by tier of volume. The underserved slice is a single vertical, for example pet content, real estate listings, or personal finance shorts, where you can build repeatable script templates and a recognizable style so clients feel like they're buying a specialty service instead of generic AI video for hire. Going narrow also makes cold outreach much easier since you can point to lookalike accounts in the same niche.

Everyone here is fighting over LinkedIn ghostwriting and ready-to-post content. Nobody in this sample is building specifically for X, and nobody targets a single narrow vertical (e.g., only SaaS founders, only recruiters, only real estate agents) with pre-built domain-specific voice models. A narrower vertical wedge, or a genuinely lightweight 'comment on other people's posts intelligently' tool distinct from Commentify's full-agent pitch, is more defensible than another full content suite.

The market is saturated with generic 'style transfer selfie app' clones on TikTok, most trending down (-45%, -28%, -25%, -18%, -12%, -2% momentum across most products) which means the organic TikTok trick is getting harder, not easier, as more clones flood the same format. The wedge is a narrow, non-generic use case with real intent and less TikTok noise: things like professional headshots for job seekers, photo restoration for elderly family photos, or dating profile optimization, which lean on search and content instead of fighting for TikTok attention against Boothie's dominant $42k/month position.

Every product listed does generic faceless short-form video for everyone, which is why the ad-spenders win and the rest fight over scraps. The opening is a single ugly vertical nobody here owns outright: repurposing long-form content (podcasts, webinars, Zoom calls) into clips like Vidko does, or a single hyper-specific niche like Pawz did with pets, where the buyer already knows exactly what they want and isn't comparing five generic 'AI video generator' tools.

Almost everything here is a generic photo-to-macro app competing on the same feature. The GLP-1 user wave and specific-diet communities (carnivore, keto, lifters bulking) are underserved by these broad apps and are exactly the kind of named, reachable community you can cold-post into without ad spend

Almost everyone here is chasing generic 'AI does your whole video' (documentaries, YouTube automation, full film production), and eight of eleven products are shrinking, which means that generic promise isn't converting once the free-tier crowd tries it. The open lane is a boring, narrow utility, captioning or clipping for one specific workflow (real estate walkthroughs, podcast clips, course creators) sold as a plugin or API rather than a studio, priced low and cheap to run, so you're not competing with Laper's full production suite or eating GPU costs on speculative 'documentary generation.'

Everyone here targets acne or generic 'skin health' for a broad audience. Hair loss is the only sub-niche proven to earn real money (MyHair AI at $763), and men's skincare is barely served (one product, $73/month). A narrow wedge like 'hair loss tracking for men over 30' or 'postpartum hair shedding tracker' avoids competing head-on with the crowded acne-teen TikTok lane where Klear just got crushed.

Everyone here builds generic Reddit-monitoring-plus-AI-reply tools for founders in general. The wedge is picking one narrow vertical (say, e-commerce Shopify stores, or dev tools) and building keyword lists and reply templates specific to that community's slang and mod rules, since a generic tool that gets a user banned in a niche subreddit is worse than useless there.