113 of 406 ideas

AI sitemap and wireframe tools crush web design delivery from 3-4 weeks down to 1 hour — and the client still pays $10K a site

George can't code, so he used the no-code platform Rork to build an AI wrestling coach: upload your match video, the AI tells you what you did right and wrong, then hands you targeted drills. $10/mo, $38K actually collected in a single month (~$20K MRR). The core play: take “AI combat coach” and cut it down to the ultra-vertical wrestling niche, then snowball acquisition through a matrix of wrestling influencers.

Open-source self-hosting as the top of the funnel, the cloud-hosted version as the paid tier — 21K GitHub stars carrying $9K MRR

Reddit for initial traction + short videos that sell the transformation instead of features + zero-risk creator sourcing at scale via Posted + LTV math to scale paid

Use AI to design funny apparel for specific dog breeds and sell it on Etsy via print on demand

An indie hacker doing $77K/mo across 35 products, with a single core methodology — never stop shipping. His latest: a Mac desktop app that watches your posture through the webcam

Claude Code scraped a nationwide niche directory in 4 days, pulling high-ticket B2B inquiries automatically through SEO

A 2020 pixel-shooter mobile game that earned $119K over five years by porting to every platform

Rebuilt the played-out affirmation app specifically for Nordics living through four-hour winter daylight, then hit a few thousand dollars a month with onboarding conversion + TikTok ads

High-ticket coaching for one narrow audience — couples who run businesses together — cutting delivery from 1:1 to 1:many plus two live “date night” getaways a year, with an offer rebuild that pushed the price to $25K/year

Build ranking sites for local blue-collar services, never deliver the service, just rent out the lead flow for a flat monthly fee

A browser-automation SaaS as the center pole, fed paying users by a cluster of tiny tool sites

Turn Bible GPT from a Q&A tool into emotional companionship that asks you questions back, aimed at the audience technology reaches last

Upload a PDF, lecture deck or YouTube video and it auto-generates practice questions, wrapped in a Duolingo-style growth tree that scales on retention instead of a hard paywall

Six years, 2M+ downloads and $1M+ in App Store revenue — from a developer whose 2026 strategy shifted from shipping many small apps to protecting one Apple account

A weekend-built flashcard app for one obscure professional certification exam: $31K revenue in 8 months on $140 of total costs

A faceless compilation channel aimed at 3-5 year olds that stacks two proven viral concepts per video — one video alone paid $20,546

Points an AI at your website, designs a month of SEO-optimised Pinterest pins in minutes, and schedules them — $39/mo to skip a job nobody wants to do by hand

A $27 ebook that solves exactly one problem for exactly one person, sold from exactly one page, promoted on exactly one channel

A first-time solo dev's brick-breaker with a Diablo-style loot twist cleared roughly £11K in its first 30 days — almost entirely from one Reddit post and organic installs.

A Photoshop plugin that turns an hour of manual mockup work into two minutes, sold to print-on-demand sellers for $15/month

One free design tool, three separate income lines: $40,000+ from digital products, $15,000+ from a portfolio PDF that wins brand deals, and $7,000 from a first course — with the operator's own instruction to pick exactly one of them.

A four-times-a-week paid tech briefing for people who don't want to live on Twitter — 350 subscribers paying $9/month, run by one writer with about $180 of monthly costs

A solo dev built a digital wardrobe app for his wife; it made $8,354 in 2025 while his two other apps made $472 combined — the honest arithmetic of shipping small apps.

They didn't build a Shopify app — they bought a neglected, one-star-drifting one for ~2x revenue and ran it for a decade into a business worth millions.

A Japanese freelancer scratched his own invoicing itch in PHP, gave it away free until 10,000 people used it, then switched on ¥980–¥3,000 plans and collected ¥100K–¥120K a month for years before selling the whole thing

Under 5,000 downloads produced $65,000 — because the app wasn't a workout app, it was one specific influencer's workout app, sold to the audience that already pays her.

An AI resume builder and bullet-by-bullet review tool, copied from an existing revenue-proven app, built solo in 23 days and left on autopilot

15,000 subscribers, about $86,000 in five months — because he sells his own course and community rather than renting the list to advertisers

The honest version of the Etsy digital products story: $11,945 of revenue and $4,282 of actual profit in year one, for 15-20 hours a month — which in the Philippines is more than the minimum wage

Three deliberately boring directories in niches Google Maps handles badly, monetised with display ads: 80,000-100,000 monthly visitors and $2,300-$3,000 a month for three years, untouched for the last six months.

14 videos, 103 subscribers, 4,000 views and $94 in affiliate commissions for 30-40 hours of work — roughly $3 an hour, published honestly by the person who ran the experiment.

An insider prices every rung of creator monetisation, from affiliate links up to selling the ability to sell — and names the quiet layer nobody discusses: firms that build and operate the apps, clothing lines and supplement brands that influencers appear to own.

A yoga sequencing app for teachers that collected $117K on its first day by selling lifetime deals before the product was finished.

A public grid of 1,000 squares worth $1,000 each, filled in as he earns — which turned a personal goal into a distribution engine other people copy

Free website, $199/month forever: an agency owner turned one-off web projects into 64 recurring subscribers and $10K MRR in 3.5 months — entirely on Meta ads, zero cold calls

Find a topic people read about constantly and nobody makes videos about — gas prices, factory shutdowns, crop failures — and turn the news cycle into an AdSense channel with a four-step Claude prompt.

A recipe directory of copycat dishes from restaurants people already love, where every page and every recipe was generated by AI and ranks above Pinterest and Reddit

Analytics and client reporting built for email/SMS marketing agencies instead of the brands they serve — one sale onboards 30 brands at once

He bought a dying five-year-old SEO tool for $30,000 doing $1,500/month, spent two months fixing retention instead of marketing, and took it to $30,000/month with two contractors and no employees

An ad-attribution tool taken to a reported $40M ARR with no outside funding — by giving the software away free to the first thirty customers, installing it for them by hand, and trading results for testimonials before ever sending an invoice

A Shopify dev agency that turned every repeated client request into a public app — 13 apps, 100,000+ installs, 70 staff, and an IPO on India's small-cap exchange

$27K from fewer than ten digital products on Etsy, by validating every listing against three data filters before designing anything

Articles written with AI drive traffic to digital products made with AI, sold on Gumroad — $26,000 cumulative, over $3,000 a month, on about an hour of work a week.

She built over 100 digital products, funnels and lead magnets, drowned in it, then hit $33,108 a month by running exactly one channel, one freebie and one checkout page

A non-developer built a SaaS in Bubble, took it to $10-11K MRR in his first year, tried to sell it to private equity for $112K — and concluded that the acquisition failed partly because his growth came from twelve burner TikTok accounts instead of an ad account.

$50,000 in a year from Pinterest traffic into digital products and affiliate links, with no daily posting and no camera — then the system itself became the product.

One PDF split into age-band variants, sold through a quiz that routes each visitor to their own version — so the question stops being “do I need this” and becomes “which one do I need”

A beautiful notes app built for the founder himself, run at $20K MRR by a team of four — and funded by a $1M round raised from its own customers with a promise of dividends instead of an exit

A student found a $7M AI resume builder on an indie-startup leaderboard, cloned the idea with one tweak, and had 4,000 users and $2,400 in 37 days.

Don't invent a product, find one the market is already paying for and build your version of it with AI — $500K in year one from a single digital product, and over $32M in sales since

Four customers paying $99 once in year one. $1,500/month in year two. Three years to $10K/month — from a founder with 14 years of experience and an audience.

An API that turns any URL into a screenshot — one boring feature, 280 paying companies, about $12K a month

Validate a topic by other people's sales rank, write a 10,000-word book that solves one problem, list it where buyers already are — $2.2M in royalties and a first account sold for $820,000.

Fifteen years of boring healthcare directories monetised by one sponsored hotline number — about $350K a year after tax, split three ways, with no employees

A curated directory of physical training gear for one sport, earning $300-$800 affiliate commissions per sale instead of $5 software referrals

A Chrome extension clones your app's front end into a clickable demo you can embed anywhere — $250K MRR in two and a half years by ranking for every competitor's name.

A Google Sheets sidebar add-on that syncs Notion databases into spreadsheets — built in two weeks with no AI, validated on Reddit, and now $9K/month at a 90% margin from Buenos Aires

A non-technical course seller built his own ClickFunnels alternative for the audience he already had, and now pays affiliates $100K a month to sell it for him

A form builder that gives away 99% of its features with no limits, then converts about 3% of 140,000 users at $29/month — $70K MRR on a team of four, built by out-positioning Google Forms and Typeform instead of out-spending them

He paid an agency $1,000 and waited six weeks for a spreadsheet, then built the same thing with AI in a week — it grossed $120K, then he stopped touching it and the exit price collapsed.

A single-platform social tool that hit $1K MRR in two weeks and $300K/month by giving a quarter of its profits to one creator as head of distribution

He found a channel doing 3-4M views a month, niched down from 'vintage everything' to 'vintage vehicles', hired the competitor's own thumbnail designer, and did $60K+ in AdSense in under a year.

A $100/month waitlist-and-reservations app for restaurants that undercuts OpenTable and Yelp by refusing to charge cover fees

A local-only desktop app that turns a Korean school counsellor's three hours of monthly paperwork into ten minutes — ₩20M a month from under 100 schools, built solo with Replit and Claude Code

10 million views produced $45,000 of AdSense against $36,000 of costs — $9,000 profit in two years. The back-end products on the same channel do $50K-$125K a month.

Four profitable years, £50-60K a month of fixed overheads, and one maternity leave: the month-by-month anatomy of how a London recruitment agency went from £90K in January to liquidation the following February

A French search API that grew from $12K MRR to 250 staff while its first business hire sold American enterprises from Paris using +1 415 phone numbers, midnight calls with the camera off, and a quarter spent on exactly thirty accounts

A corporate data analyst built the tool his employer refused to build, sold it back to his employer as customer number one, and exited at nearly 10× revenue five years later

Construction management software for residential builders — $2M ARR and $40K a month of profit, with 95% of revenue traced back to long-tail blog posts

A Canadian B2B lead-gen agency that grows ~40% a year on one monthly video email to 5,000 people — and keeps the average client for five years and nine months

A kanban layer on top of GitHub Issues, built on nights and weekends, listed with a broker in mid-May and sold for its full $128,000 asking price by mid-June

Nine years of running other people's e-commerce projects as an agency, then a from-scratch rewrite nobody thought was needed — and a partner channel that took four years to work and now sources 35–40% of every new deal

Post once on your favourite platform and it syncs everywhere else — a solo build that went from concept to paying customers in a week and reached $716 MRR in three months, marketed entirely by LinkedIn posts and replying to whoever liked them

Two cousins with $68,000 and no baking experience borrowed the streetwear industry's weekly drop mechanic, rotated their menu every Sunday, and turned manufactured scarcity plus 16 million social followers into a billion dollars of systemwide sales

The back office for hiring anyone anywhere — $1M to $100M of revenue in 20 months, 1,300 people across 80+ countries, and never a single office

He took a nine-figure exit at $10M ARR growing 100% a year, cash-flow positive, on $8M raised — and spends this masterclass explaining why that was the stupidest decision available to him, using the $10 billion competitor as the control group

She turned KSh 200 into KSh 1.5M in eighteen months by buying thrifted dresses at KSh 50 and selling them on Facebook at KSh 1,000 — then used the whole pile as launch capital for her own made-in-Kenya label, and lost every shilling of it on the first production run

A Vietnamese-built test-automation platform that spent three years not charging anyone, then used pure self-service to reach 65,000 business customers in 160 countries without hiring a sales rep in any of them

A monthly hands-on project crate for kids that has shipped 50 million boxes and over $1B in lifetime revenue — profitable since 2016, under 150 staff, under $11M ever raised, and its own warehouse for fourteen years

Process a Kenyan merchant's payments, watch their real cash flow, then lend them unsecured working capital and take repayment as a percentage of the money already flowing through you

A personality-quiz aggregator built by someone who had never made a website — under ₩3 billion in cumulative revenue from ad units on JSON files served as static pages

A Monterrey founder paid a Pakistani dev team $15,000 to build an email-capture SDK for mobile apps and sold exactly one licence at $300 a year; the $20,000 pivot that fixed a leak people could actually feel sold licences off a single webinar — and then the money ran out

Since 2010 it has financed 500 software companies across 1,500 separate rounds and about $500M deployed, on one product: up to roughly half your annual recurring revenue, no warrants, no personal guarantee, no board seat, repaid at about 1.3× over three years

Software for nurseries and preschools started by a 19-year-old in his mother's daycare — over 20 million złoty in revenue, half a million parents, and one in three Polish parents with a child in private childcare

Two lazy engineers automated the part of GitHub that GitHub wouldn't build, gave it free to open source, and now bill 150 engineering teams ~$750/month each — $110K/month, bootstrapped

Built in India, sold only to North American enterprises: $20M of revenue from fewer than 50 customers at $350K average contract value, now $40M+ a year

An operating system that runs inside the screens in shops, malls, coffee chains and lifts — it measures who looked, who picked the product up and who paid, then resells all those screens as a local ad network

A dermatologist built the software her own telederm clinic runs on, then started licensing it to other doctors — the clinic bills $150K/mo and pays the software company half of it

A second-time French founder walked into 20 factories, got 19 nos, and turned the one yes into eight separate software companies doing €2.2M a year across 180 factory sites — sold almost entirely through 100 tiny consultancies on commission

Upload a podcast episode, get the show notes, newsletter and social posts back — a two-week build that reached $16K MRR after four earlier products went nowhere

€7,500 of ads bought 43 leads, 12 demos and 6 clients in four months — roughly €60K of revenue at a 50% close rate — run by one founder and two part-time employees who each orchestrate five to ten AI agents.

A non-technical Dutch employee got so annoyed at the vendor issuing his field technicians' parking exemptions that he took the job over himself — Google Forms and a PowerPoint website first, Bubble and Stripe later — and quit his consulting work at 10K a month

A code review tool bolted onto version control systems, sold to enterprises with no salespeople — millions in revenue at roughly $1M per employee, and a founder who still woke at 3am panicking about payroll because none of it was recurring

Five brothers put £600 into a boot-sale fragrance stall in East London and built a halal perfume chain with 20+ shopping-centre stores — no bank loans, no interest, no external investment

A Japanese restaurant reservation platform that wins deals by telling restaurants their current vendor is holding their customer data hostage — and lets anyone export everything, any time, with no contract lock

Take a tool that agencies sell for ¥100K a month, sell it to sole traders for ¥5K, then pay your three free beta users ¥5,000 a head to sell it for you — the exact sequence that took a Japanese solo dev to ¥200K/month

He bought a neglected WordPress classifieds plugin off Flippa for $1,000, added a shopping cart, a support forum and higher prices — and grew it from $300 a month to $2,000, then repeated the trick for $1,400

Before it had a name, a slide deck, an employee or a server, 30-40 people had already agreed to pay $50/month for it — and annual prepay later gave it 3x monthly cash flow and what the founder calls an infinite marketing budget

A second-time founder refused to sell his first ten customers through referrals or friends, closed all ten cold off LinkedIn at $10K–$20K a year, and built a procurement company that raised about $370M and closed a Series D at $2.2B post-money