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

21 businesses

76% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$50K /mo

Middle half earn $30K – $100K/mo

How they grow

Business models

Showing 21 of 21 case studies

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Built With

Wellness business management tool

All-in-one software for wellness business management.

clinicsense.com

$400K /mo Reported

SaaS content blocking tool

Content blocking software for intentional internet use

techlockdown.com

$20K /mo Reported

Executive function coaching

"Online executive function coaching for students with ADHD."

efspecialists.com

$60K /mo Reported

Startup go-to-market agency

Marketing agency that propels startups to $2M ARR.

crowdtamers.com

$10K /mo Reported

Cybersecurity risk prevention tool

Cybersecurity consultancy focused on education and prevention

tcm-sec.com

$10K /mo Reported

Keto weight loss coaching

Thyroid-focused keto coaching for women's weight loss.

ketogirlnutritionist.com

$50K /mo Reported

Personal budgeting app

"Buxfer: Budgeting app for finance power users."

buxfer.com

$50K /mo Reported

Agency-styled digital marketing training

"Agency-style digital marketing training institute."

digitalscholar.in

$40K /mo Reported

Mindfulness-based test prep software

Mindfulness-based test prep platform for students.

granite-education.com

$30K /mo Reported

On-demand interpreter marketplace

'Global interpreting platform for seamless language communication.'

translit.com

$50K /mo Reported

Custom content writing service

Content writing agency serving diverse brands.

expresswriters.com

$70K /mo Reported

Complete sleep solutions brand

Comprehensive sleep solutions for modern Indian consumers.

winknod.com

$100K /mo Reported

Finance interview prep courses

Finance career resources and community platform.

wallstreetoasis.com

$300K /mo Reported

Law practice success training

"Transformative business training for lawyers seeking fulfillment."

newlawbusinessmodel.com

$300K /mo Reported

Online music production courses

Online courses for musicians mastering home studio production.

recordingrevolution.com

$100K /mo Reported

Healthcare e-learning platform

Global e-learning platform for healthcare professionals.

doctrina.biz

$90K /mo Reported

Sms marketing platform for e-commerce

SMS marketing and AI retention platform for Shopify stores

postscript.io

$80K /mo Estimated

AI architectural rendering tool

AI rendering tool for architects and interior designers

visualizee.ai

—

Email scheduling app

Email scheduling and productivity tool for professionals

boomerangapp.com

$40K /mo Estimated

AI go-to-market platform

AI platform for B2B sales automation

landbase.com

—

Task-focused productivity app

Llama Life: A focus-driven productivity app for ADHD users.

llamalife.co

—

Idea	Revenue	Problem	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.
Wellness business management tool clinicsense.com All-in-one software for wellness business management.	$400K /mo Reported		SaaS +4	Email marketing Advertising on social media +1	Wellness Practitioners +9	+11	Founded 2013 · 12 people · $20K to start	65	Build this
SaaS content blocking tool techlockdown.com Content blocking software for intentional internet use	$20K /mo Reported		SaaS +2	Word of mouth Brand Authenticity +1	Adults +5	CU +15	Founded 2021 · Solo founder · $200 to start	88	Build this
Executive function coaching efspecialists.com "Online executive function coaching for students with ADHD."	$60K /mo Reported	Students need resources to succeed.	Coaching +4	Word of mouth Email marketing +1	Parents of Students wit... +3	+15	Founded 2019 · 10 people · Built in 120 days	63	Build this
Startup go-to-market agency crowdtamers.com Marketing agency that propels startups to $2M ARR.	$10K /mo Reported		Agency +4	Advertising on social media Email marketing +1	Startup Founders +2	FI +2	Founded 2021 · 4 people · Built in 58 days	64	Build this
Cybersecurity risk prevention tool tcm-sec.com Cybersecurity consultancy focused on education and prevention	$10K /mo Reported		Consulting +7	Advertising on social media Direct sales +1	Startup Founders +10	CU +30	Founded 2021 · Solo founder · $3K to start	66	Build this
Keto weight loss coaching ketogirlnutritionist.com Thyroid-focused keto coaching for women's weight loss.	$50K /mo Reported		Group coaching +7	Direct sales Organic social media +1	Women With Thyroid Diso... +11	CO	Founded 2019 · Solo founder · $300 to start	71	Build this
Personal budgeting app buxfer.com "Buxfer: Budgeting app for finance power users."	$50K /mo Reported		Subscription +2	Organic social media SEO +1	Finance Power Users +7	+28	Founded 2006 · 5 people · $50K to start	63	Build this
Agency-styled digital marketing training digitalscholar.in "Agency-style digital marketing training institute."	$40K /mo Reported		Course +4	Pay Per Click Advertising Organic social media +1	College Graduates +9		Founded 2019 · 25 people · $300K to start	40	Build this
Mindfulness-based test prep software granite-education.com Mindfulness-based test prep platform for students.	$30K /mo Reported		Online course +11	Advertising on social media Facebook Community +1	Educational Institutes +12	+12	4 people · Built in 400 days · Nashville, Tennessee, USA, United States	59	Build this
On-demand interpreter marketplace translit.com 'Global interpreting platform for seamless language communication.'	$50K /mo Reported		Marketplace +4	Direct sales Pay Per Click Advertising +1	Businesses +4	+9	Founded 2019 · 20 people · $300K to start	50	Build this
Custom content writing service expresswriters.com Content writing agency serving diverse brands.	$70K /mo Reported		Agency +3	Email marketing SEO	Brands +3	+1	Founded 2012 · 2 people · $80 to start	70	Build this
Complete sleep solutions brand winknod.com Comprehensive sleep solutions for modern Indian consumers.	$100K /mo Reported		D2c +6	Direct sales Advertising on social media +1	Indian Consumers +9	+12	Founded 2018 · 25 people · Pune, Maharashtra, India, India	52	Build this
Finance interview prep courses wallstreetoasis.com Finance career resources and community platform.	$300K /mo Reported		Course +5	Word of mouth Email marketing +1	Undergraduates +4		Founded 2006 · 15 people · Saratoga, California, USA, United States	60	Build this
Law practice success training newlawbusinessmodel.com "Transformative business training for lawyers seeking fulfillment."	$300K /mo Reported		Course +3	Advertising on social media Email marketing +1	Lawyers +2		Founded 2012 · 10 people · Boulder, Colorado, USA, United States	58	Build this
Online music production courses recordingrevolution.com Online courses for musicians mastering home studio production.	$100K /mo Reported		Course +2	Word of mouth Email marketing +1	Musicians +3	CO KA	Founded 2009 · Solo founder · $500 to start	83	Build this
Healthcare e-learning platform doctrina.biz Global e-learning platform for healthcare professionals.	$90K /mo Reported		E learning platform +2	Email marketing SEO +1	Healthcare Professionals +1	+8	10 people · Ljubljana, Slovenia, Slovenia · Health	63	Build this
Sms marketing platform for e-commerce postscript.io SMS marketing and AI retention platform for Shopify stores	$80K /mo Estimated		Subscription +3	Word of mouth Reviews +1	Shopify Store Owners +2		Founded 2018 · 270 people · Built in 60 days	49	Build this
AI architectural rendering tool visualizee.ai AI rendering tool for architects and interior designers	—		Subscription +1	Product Hunt Organic social media +1	Architects +2	CU	Founded 2023 · Solo founder · Warsaw, Poland, Poland	83	Build this
Email scheduling app boomerangapp.com Email scheduling and productivity tool for professionals	$40K /mo Estimated		Subscription +3	Word of mouth Email marketing +1	LinkedIn Professionals +9		Founded 2010 · 19 people · $400K to start	55	Build this
AI go-to-market platform landbase.com AI platform for B2B sales automation	—		Services +4	Content marketing Outbound +1	SMBs +2		Founded 2023 · 2 co-founders · San Francisco, CA, USA, United States	63	Build this
Task-focused productivity app llamalife.co Llama Life: A focus-driven productivity app for ADHD users.	—		Subscription +3	Direct sales SEO +1	Small to Medium-Sized e... +7	PR	Founded 2020 · Solo founder · Built in 120 days	61	Build this

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