Sales.co
sales.co
Done-for-you cold email and AI-assisted lead generation for B2B companies, co-founded with Ryan Doyle.
$90K/mo
About Gum Spy
Data tool that analyzed what was selling on Gumroad. Gum Spy is a analytics & data product built by indie maker Jakob Greenfeld, launched in 2020. Gum Spy has since been acquired.
- Status
- Acquired
- Launched
- 2020
- Category
- Analytics & Data
- Website
- gumspy.com
More products by Jakob Greenfeld
F
Founder Flywheel
founderflywheel.com
Research-as-a-service newsletter for entrepreneurs.
O
Opportunities.so
opportunities.so
Newsletter of researched business opportunities and ideas for entrepreneurs.
Newsletter Spy
newsletterspy.io
Data on Substack newsletters and what is growing.
Mini-tool serving tweet inspiration prompts; acquired by Tweet Hunter.
Data on indie products for makers and indie investors.
Micro-SaaS surfacing early trend signals for investors, entrepreneurs and marketers.
Gum Spy FAQ
What is Gum Spy?
Gum Spy is a analytics & data product: Data tool that analyzed what was selling on Gumroad.
Who made Gum Spy?
Gum Spy was made by Jakob Greenfeld, Physicist turned permissionless entrepreneur, co-founder of Sales.co. It launched in 2020. Jakob Greenfeld has also built Sales.co, Founder Flywheel, Opportunities.so, Newsletter Spy.
Is Gum Spy still active?
Gum Spy has been acquired. It is no longer owned by Jakob Greenfeld, who built it as an indie maker.
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