Freemium and Open Source Ideas

Ask the data real businesses · real revenue · cited

Matching your filters

2 businesses

50% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$2K /mo

Middle half earn $2K – $2K/mo

How they grow

Business models

Showing 2 case studies

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Built With

Desktop messenger app

"Standalone app for Facebook Messenger on desktop."

messengerfordesktop.com

$2K /mo Reported

Your ai-powered second brain

**Supermemory AI**: "ChatGPT-powered organizer for your bookmarks."

supermemory.ai

—

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.
Desktop messenger app messengerfordesktop.com "Standalone app for Facebook Messenger on desktop."	$2K /mo Reported	Ads +4	Facebook Community Referral Program +1	Social Media Users +8	+16	Founded 2015 · Solo founder · United Kingdom	75	Build this
SA Your ai-powered second brain supermemory.ai Supermemory AI: "ChatGPT-powered organizer for your bookmarks."	—	SaaS	SEO Organic social media	Knowledge Workers +2	NE	Founded 2024 · 2 co-founders · Built in 3 days	71	Build this

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