Idea

Freemium And Open Source

Freemium and Open Source Ideas

Ask the data real businesses · real revenue · cited

Matching your filters

30 businesses

50% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$80K /mo

Middle half earn $3K – $2M/mo

How they grow

Business models

Showing 30 of 30 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

Digital sales room platform

Digital sales room software for B2B sales teams

dealpad.io

$200K /mo Reported

Contract creation platform

AI-powered contract creation for non-lawyers.

legislate.tech

$5K /mo Reported

Fullstack permissions service

"Fullstack permissions service for developers."

permit.io

—

Branding kits for startups

Pre-made brand packages for startups.

indiebrands.io

$1K /mo Reported

Browser-based creature hunting game

Free-to-play browser-based creature hunting MMORPG.

monstermmorpg.com

$200 /mo Reported

Interactive piano tutorial app

"Piano song tutorials app for music lovers."

onlinepianist.com

$70K /mo Reported

Freelancer training platform

Comprehensive training for aspiring Filipino freelancers.

fvaconsultancy.com

$1K /mo Reported

Advisor support platform

Comprehensive support services for independent financial advisors.

goodlifeco.com

$2M /mo Reported

End-to-end supply chain software

B2B supply chain automation and planning software.

inquizity.com

$30K /mo Reported

Natural skincare products

Natural soap brand empowering busy moms.

kmcessentials.square.site

$1K /mo Reported

The Language Delegate

thelanguagedelegate.com

—

Mindful meal planning app

Mindful meal planner app simplifying healthy eating.

aricoach.com

—

Stock research newsletter platform

Financial media platform providing stock ratings and market research for investors

marketbeat.com

$4M /mo Reported

Digital wallet for payments

Digital wallet revolutionizing payments across Europe.

icard.com

$2M /mo Reported

Online personal training platform

Online personal training for athletes and everyday people.

teamfflex.com

$80K /mo Reported

Error tracking and performance monitoring

Error tracking and performance monitoring for developers.

sentry.io

—

Next-gen collaborative spreadsheet

AI-powered spreadsheet tool for data analysis

rows.com

—

Open source document signing

Open-source document signing platform for secure and customizable solutions.

documenso.com

—

Omnichannel customer engagement tool

Omnichannel customer engagement and automation for SMBs.

whautomate.com

—

Relationship-building app

App for couples to grow and connect playfully.

coblossom.com

—

Podcast guest booking expert

Podcast for those aspiring to connect with top-tier visionaries.

dannymiranda.com

—

Skills-based hiring platform

"Skills-based hiring platform for technical roles."

codesignal.com

—

Conversation-based french app

"App teaching everyday French in 10 minutes daily."

frenchtogether.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
Digital sales room platform dealpad.io Digital sales room software for B2B sales teams	$200K /mo Reported ▼ 69% · 31 mo	Subscription +4	Word of mouth Direct sales +1	B2B Software (SaaS) Org... +3		Founded 2021 · 12 people · $200K to start	55	Build this
Contract creation platform legislate.tech AI-powered contract creation for non-lawyers.	$5K /mo Reported	Subscription +3	Word of mouth SEO	Non-lawyers creating co... +8		Founded 2020 · 12 people · $200K to start	61	Build this
Fullstack permissions service permit.io "Fullstack permissions service for developers."	—	Digital Products & Courses +3	Word of mouth Advertising on social media +1	Developers at Large Ent... +7	+2	Founded 2020 · 14 people · Israel	66	Build this
Branding kits for startups indiebrands.io Pre-made brand packages for startups.	$1K /mo Reported	Digital product +6	Advertising on social media Email marketing +1	Startup Founders +6	NE +1	Founded 2021 · 2 co-founders · $400 to start	70	Build this
Browser-based creature hunting game monstermmorpg.com Free-to-play browser-based creature hunting MMORPG.	$200 /mo Reported	Digital Products & Courses +6	Word of mouth Advertising on social media +1	Gamers +3	CU	Founded 2009 · Solo founder · $100 to start	69	Build this
Interactive piano tutorial app onlinepianist.com "Piano song tutorials app for music lovers."	$70K /mo Reported	Subscription +3	Word of mouth SEO +1	Music Learners +8	+4	Founded 2010 · 8 people · $10K to start	64	Build this
Freelancer training platform fvaconsultancy.com Comprehensive training for aspiring Filipino freelancers.	$1K /mo Reported	Digital Products & Courses +7	Advertising on social media SEO +1	Entrepreneurs +5		14 people · $500 to start · Built in 60 days	47	Build this
Advisor support platform goodlifeco.com Comprehensive support services for independent financial advisors.	$2M /mo Reported	Services +9	SEO Word of mouth	Independent Financial A... +1	SA	Founded 2012 · 60 people · $500K to start	50	Build this
End-to-end supply chain software inquizity.com B2B supply chain automation and planning software.	$30K /mo Reported	Services +7	Affiliate program Word of mouth +1	Pharmaceutical Companies +17	EX	Founded 2011 · 25 people · $50K to start	51	Build this
Natural skincare products kmcessentials.square.site Natural soap brand empowering busy moms.	$1K /mo Reported	E Commerce +6	Word of mouth Advertising on social media +1	Mothers +3		Founded 2020 · Solo founder · $800 to start	64	Build this
The Language Delegate thelanguagedelegate.com Editing & Co-Authoring Services	—	Writing	Direct sales		+47	Founded 2013 · Solo founder · Donna, Texas, USA, United States	38	Build this
Mindful meal planning app aricoach.com Mindful meal planner app simplifying healthy eating.	—	Digital Products & Courses +4	Word of mouth Direct sales +1	People Starting their F... +6	AD +41	Founded 2018 · Solo founder · Irvine, California, USA, United States	75	Build this
Stock research newsletter platform marketbeat.com Financial media platform providing stock ratings and market research for investors	$4M /mo Reported ▲ 67% · 33 mo	Freemium +2	Advertising on social media Press +1	Individual Investors +6	+6	Founded 2011 · 18 people · $10 to start	76	Build this
Digital wallet for payments icard.com Digital wallet revolutionizing payments across Europe.	$2M /mo Reported	Freemium +2	Word of mouth SEO +1	Digital Nomads +9	+27	Founded 2008 · 200 people · Varna, Varna, Bulgaria, Bulgaria	55	Build this
Online personal training platform teamfflex.com Online personal training for athletes and everyday people.	$80K /mo Reported	Services +4	Word of mouth Brand Authenticity +1	Athletes +3	CU	Founded 2014 · Solo founder · $500 to start	78	Build this
Error tracking and performance monitoring sentry.io Error tracking and performance monitoring for developers.	—	SaaS +2	Open-source community Leveraging existing platforms	Developers interested i... +6		Founded 2012 · 2 co-founders · San Francisco, CA, USA, United States	74	Build this
Next-gen collaborative spreadsheet rows.com AI-powered spreadsheet tool for data analysis	—	Digital Products & Courses +3	Word of mouth Content marketing +1	Marketing Teams +2		Founded 2016 · 2 co-founders · SaaS	81	Build this
Open source document signing documenso.com Open-source document signing platform for secure and customizable solutions.	—	Subscription +3	Organic social media	Developers +3	NE +2	Founded 2022 · 2 co-founders · Australia Plains SA, Australia, Australia	74	Build this
Omnichannel customer engagement tool whautomate.com Omnichannel customer engagement and automation for SMBs.	—	Marketplaces & Platforms +4	Online Community Organic social media	Small Business Owners +2	CH RA	Founded 2023 · Solo founder · Singapore	84	Build this
Relationship-building app coblossom.com App for couples to grow and connect playfully.	—	Freemium & Upsells +2	SEO	Couples +2	CU	Founded 2021 · 2 co-founders · Wharton, TX, USA, United States	70	Build this
Podcast guest booking expert dannymiranda.com Podcast for those aspiring to connect with top-tier visionaries.	—	Advertising +4	Organic social media Email List Growth	Aspiring Podcasters +2		Founded 2020 · 2 people · Built in 30 days	70	Build this
Skills-based hiring platform codesignal.com "Skills-based hiring platform for technical roles."	—	Services +3	Referral Program Organic social media +1	Hiring Teams +2	CU	Founded 2015 · 3 co-founders · Yerevan, Armenia, Armenia	65	Build this
Conversation-based french app frenchtogether.com "App teaching everyday French in 10 minutes daily."	—	Services +3	Word of mouth SEO +1	English Speakers +2		Founded 2013 · Solo founder · London, UK, United Kingdom	72	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