The Debugging Gym: $100K MRR Hiding Inside Your Git History
Forty-two percent of developers say AI now writes at least half their code. Verification is the new bottleneck, and a team's own fixed bugs are the debugging curriculum.
IC: Academic Research
Preprints and peer-reviewed research offering untapped commercial applications.
The Paper Trail Newsletter: $5K MRR From Council Agendas
Council agendas, zoning filings and permits are public, and almost nobody reads them. With reporters gone and AI summaries misfiring, the record under the rumor mill is up for grabs.
The Tiny Coworker: A $29 Mac Pet for Digital Clutter
Mac desktop pets keep landing on Product Hunt, and Finch earns an estimated $2 million a month from pet-driven habits. The mechanic fits the Mac's most postponed chore.
The Claim-Testing Layer: $20K–$40K MRR From DTC Reviews
A Cornell method for isolating one language dimension at a time, cheap Prolific and PickFu panels, and Shopify brands running $300K Meta budgets off confounded headline tests.
The Fit Passport: Shopify Sizing That Asks Instead of Tracks
Apparel returns run 24% and fit is the top reason, yet fewer than 1% of Shopify stores run a sizing app. Zero-party fit data is the opening.
The Data Center Next Door: $99 a Month from County Records
Homebuyers can pull a flood map in ten seconds. Nothing tells them about the data center campus being rezoned three miles out. Northern Virginia agents will pay for that answer.
6,000 GitHub Stars, Zero Revenue: The Cloud Architecture Game
A free MIT-licensed cloud game passed 6,000 GitHub stars while AWS Skill Builder and the relaunched Cloud Quest charge for courses. The gap between watching architecture and practicing it is still unpriced.
The Split-Pay Reversal: A $1.5M ARR Wedge in Group Bookings
New Journal of Consumer Research findings suggest groups are happier when one person pays and everyone settles up afterward. Every tours and activities booking platform is engineering that away.
The Open-Together Offer: Shopify's Mystery-Box Blind Spot
Pop Mart proved shoppers pay for sealed mystery boxes. New research shows they pay more when a friend opens one too, and no Shopify app tests it.
The Occupancy Trigger: $118K MRR and No Cameras
Wi-Fi and mmWave occupancy sensing is commoditizing fast. The business sits one layer up: turning a twelve-dollar sensor reading into the cleaning task a small venue will pay for.
The $349 Answer to $99-a-Month Elder Care Monitoring
Cactus Compute's Needle 2 runs a 45-million-parameter agent on a $45 Raspberry Pi. Camera-free elder care monitoring stops needing the cloud, and stops needing a $99 monthly subscription.
The Elder-Care Benefit Built for the Factory Floor
63 million Americans care for aging parents, 18 million around a shift schedule. Employers lose trained workers to a hospital discharge, and benefits brokers have nothing to sell.
The Anti-4K SaaS: Period Camcorder Looks at $40K MRR
Canon PowerShot sales jumped sevenfold and Dazz Cam clears $900K a month. The VHS filter is free everywhere, which is exactly why the finishing layer is wide open.
Restock or Discover: The Question 17,000 Shopify Apps Skip
Every Shopify personalization app profiles who the shopper is. A 2026 field study says why they came matters far more. Beauty merchants can test it in a week.
The $39 Vet Visit Kit Inside a $158 Billion Pet Market
Pet owners now run rapamycin and peptides on aging dogs while the FDA logs thousands of Librela adverse reports. Senior dog care still lacks a record clinics can use.
The $750 PDF That Outruns the Census
Census data lags by years while storefronts turn over weekly. Open POI change files expose that gap, and multi-unit operators already budget for location intelligence upstream of site selection.
The Grocery App That Tells You to Stay Home ($39/Year)
Grocery comparison apps went free and retained nobody. The unbuilt product prices a family's real weekly basket and decides whether a second store is worth the drive.
Front Office Bottleneck: $15K MRR Hiding Inside School Phone Bans
Twenty-eight states now ban phones bell-to-bell, and every parent message routes through the front desk. ParentSquare already shipped against the problem. The intake layer underneath is still open.
The Dashboard Resurrection Kit: $15 Software for Dead Android Tablets
Two million Home Assistant installs, millions of dead Android tablets, and no software that reliably connects the two. Fully Kiosk already set the price anchor at $10.99.
The Integrity Desk: $1.5M ARR in Academic Publishing's Long Tail
More than 110,000 papers published in 2025 carry AI-hallucinated citations. Enterprise integrity vendors are wiring up ScholarOne while 44,000 OJS journals screen submissions by hand.
The Decision Queue: $16K MRR Hiding Inside YouTube Studio
YouTube shipped AI comment search into Studio in June 2026 and deliberately stopped at retrieval. Creator ad spend hits $44 billion in 2026, and reputation is now the buying criterion.
The Seaweed Incident Desk: $4,000 a Year Per Beachfront Hotel
Quintana Roo pulled 105,000 tons of sargassum off its beaches this year and Riviera Maya occupancy fell to 59%. Beachfront hotels can't buy a forecast. They'd buy a response.
The 14MB Model Behind a $798K Legal Software Business
A 14-megabyte open model and the ABA's Formal Opinion 512 point at the same gap: deposition review that extracts, cites, and never leaves the laptop.
Ranking Ad Concepts Before They Burn Budget ($30K MRR)
Generative AI made ad concepts nearly free while live testing stayed expensive. Only 19% of tests produce a defensible winner, and nobody owns the layer deciding which concepts earn traffic.