The Idea Database

Real businesses with a revenue figure we can source — from founder interviews and our own public-data research. What each one sells, what it earns, how it grew and what it runs on. Newest first.

Ask the data real businesses · real revenue · cited

Matching your filters

5 businesses

100% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$10K /mo

Middle half earn $1K – $30K/mo

How they grow

Business models

Showing 5 ideas

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Revenue

Starting Costs

Frontend coding challenge platform

Real coding projects for aspiring developers

frontendmentor.io

$30K /mo Reported

Gamified backend coding courses

Interactive online courses teaching backend development through coding games

boot.dev

$900K /mo Reported

Interactive coding education

Interactive coding courses for budding IT professionals.

duomly.com

$1K /mo Reported

Self-taught developer stories

"Stories of self-taught developer success."

petecodes.io

$10K /mo Reported

Css animation tutorials

Web animation tutorials for developers.

cssanimation.rocks

$500 /mo Reported

Idea	Revenue	Model	Growth	Customers	Tools	Details	Solo score A 0–100 estimate of how well-suited a business is to being run solo (or very lean). It blends team leanness, business model, growth channels, capital intensity, revenue per operator, tooling leverage and recency into one score. Higher = more solopreneur-friendly.
Frontend coding challenge platform frontendmentor.io Real coding projects for aspiring developers	$30K /mo Reported	Freemium +1	Word of mouth SEO +1	Beginner Freelancers +9	+10	Founded 2018 · 2 co-founders · $8K to start	77	Build this
Gamified backend coding courses boot.dev Interactive online courses teaching backend development through coding games	$900K /mo Reported ▲ 33,233% · 35 mo	Subscription +1	Word of mouth SEO +1	Aspiring Developers +3	+10	Founded 2020 · 13 people · $500 to start	71	Build this
Interactive coding education duomly.com Interactive coding courses for budding IT professionals.	$1K /mo Reported	Subscription +1	SEO Email marketing +1	Beginners In IT +2	+4	Founded 2018 · 2 co-founders · Prague, Prague, Czech Republic, Czech Republic	61	Build this
Self-taught developer stories petecodes.io "Stories of self-taught developer success."	$10K /mo Reported	Sponsorships +6	Direct sales Organic social media +1	Aspiring Developers +10	+7	Founded 2019 · Solo founder · $40 to start	76	Build this
Css animation tutorials cssanimation.rocks Web animation tutorials for developers.	$500 /mo Reported	Course +3	Word of mouth SEO +1	Web Developers +5	+17	Founded 2016 · Solo founder · Built in 60 days	77	Build this

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Idea	Revenue
Crm marketing attri...	$100K/mo
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