Idea

Freemium And Open Source

Freemium and Open Source Ideas

Ask the data real businesses · real revenue · cited

Matching your filters

4 businesses

75% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$3K /mo

Middle half earn $2K – $2M/mo

How they grow

Business models

Showing 4 case studies

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Built With

Free desktop project scheduler

Free desktop Gantt chart software for project scheduling.

ganttproject.biz

$3K /mo Reported

Esl learning card games

"Engaging ESL tools with Phrase It™ games."

eslwithpurpose.com

$2K /mo Reported

Simulated marketing internships

Simulated internships for real-world digital marketing experience.

stukent.com

$2M /mo Reported

Ai-powered presentation creator

AI presentation tool generating slides in seconds

genppt.com

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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.
Free desktop project scheduler ganttproject.biz Free desktop Gantt chart software for project scheduling.	$3K /mo Reported	Pay what you want +2	Word of mouth Facebook Community +1	SMBs +3	+12	Founded 2012 · Solo founder · Prague, Czechia, Czech Republic	77	Build this
Esl learning card games eslwithpurpose.com "Engaging ESL tools with Phrase It™ games."	$2K /mo Reported	Physical products +3	Word of mouth Advertising on social media +1	Educators Using 3D Prin... +9	+26	Founded 2017 · Solo founder · Fort Collins, Colorado, USA, United States	64	Build this
Simulated marketing internships stukent.com Simulated internships for real-world digital marketing experience.	$2M /mo Reported	Courseware +2	Word of mouth Organic social media +1	Universities and Educat... +6	+2	Founded 2013 · 50 people · Idaho Falls, Idaho, USA, United States	63	Build this
Ai-powered presentation creator genppt.com AI presentation tool generating slides in seconds	—	Freemium & Upsells +1	SEO Organic social media	Business Professionals +2	AN	Founded 2024 · Solo founder · Built in 4 days	74	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