Explore Successful Businesses

Problems

99 of some of the most painful, in-demand problems in a database for you to check out. How do people spot problems worth solving? What does a “good problem” look like? Can you solve a good problem in the wrong way? How do they know what’s the right solution to build?

Ask the data real businesses · real revenue · cited

Matching your filters

4 businesses

50% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$600K /mo

Middle half earn $200K – $3M/mo

How they grow

Business models

Showing 4 case studies

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Built With

Music production tool marketplace

E-commerce site selling music production software tools.

modernproducers.com

$200K /mo Reported

Low-fidelity wireframing tool

Wireframing tool that simplifies product design.

balsamiq.com

$600K /mo Reported

Gpt model discovery directory

Online directory for custom AI applications

allgpts.co

—

Fastest email experience ever

AI-enhanced email client for ultra-productive professionals.

superhuman.com

—

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.
Music production tool marketplace modernproducers.com E-commerce site selling music production software tools.	$200K /mo Reported	E Commerce +6	Word of mouth Advertising on social media +1	Independent Musicians +4	+20	Founded 2015 · Solo founder · $500 to start	60	Build this
Low-fidelity wireframing tool balsamiq.com Wireframing tool that simplifies product design.	$600K /mo Reported	Software license +2	Word of mouth Brand Authenticity +1	Developers at Technolog... +8	+21	Founded 2008 · 29 people · Bologna, Emilia-Romagna, Italy, Italy	74	Build this
Gpt model discovery directory allgpts.co Online directory for custom AI applications	—	Advertising	SEO Social media mentions +1	AI Enthusiasts +2	GO	Founded 2023 · Solo founder · $100 to start	82	Build this
Fastest email experience ever superhuman.com AI-enhanced email client for ultra-productive professionals.	—	Subscription +2	Referral Program Brand Authenticity +1	High-volume Email Users +13	LO +3	Founded 2014 · 130 people · $200K to start	64	Build this

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Idea	Revenue
Crm marketing attri...	$100K/mo
No-code Airtable AP...	$20K/mo
Pdf bank statement ...	$40K/mo
Ai music video gene...	$20K/mo