Idea

Freemium And Open Source

Freemium and Open Source Ideas

Ask the data real businesses · real revenue · cited

Matching your filters

4 businesses

25% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$4M /mo

Middle half earn $100K – $10M/mo

How they grow

Business models

Showing 4 case studies

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Built With

Fullstack permissions service

"Fullstack permissions service for developers."

permit.io

—

Error tracking and performance monitoring

Error tracking and performance monitoring for developers.

sentry.io

—

Skills-based hiring platform

"Skills-based hiring platform for technical roles."

codesignal.com

—

Open source feature flag tool

Open-source feature flagging for agile engineering teams.

flagsmith.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.
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
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
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
Open source feature flag tool flagsmith.com Open-source feature flagging for agile engineering teams.	—	SaaS +7	Word of mouth SEO +1	Technology Companies +3	+1	Founded 2016 · Solo founder · London, UK, United Kingdom	82	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