Kit (formerly ConvertKit)
kit.com
Email marketing and commerce platform built for creators, with visual automations, landing pages and paid newsletters.
diff ~/p/nathan-barry ~/p/sahil-lavingia
Products, revenue & stack compared side by side.
Founder of Kit (ConvertKit), bootstrapped from a failing side project to $1M+ MRR
Both Nathan Barry and Sahil Lavingia build in public. They overlap in Creators & Writers and Educators & Course Creators. Nathan is based in Boise, United States, Sahil in Brooklyn, United States. Nathan started in 2012 and Sahil in 2011. Nathan Barry has 1 product listed on IndieMakerList vs Sahil Lavingia's 3. On revenue, Nathan self-reports $1.19M MRR (ConvertKit) (as of 2019) and Sahil $17.8M/yr (Gumroad, 2025). On X, Nathan has about 152K followers and Sahil about 394K.
Revenue figures are self-reported by each maker and not audited; dates and scope differ. Highlighted categories are shared by both.
kit.com
Email marketing and commerce platform built for creators, with visual automations, landing pages and paid newsletters.
gumroad.com
Platform for creators to sell digital products, memberships and courses directly to their audience.
flexile.com
Open-source tool for paying contractors and managing equity, spun out of how Gumroad runs its team.
helper.ai
Open-source AI-powered customer support tool from the Antiwork family.
No tools in common in their publicly listed stacks. See the indie maker tech stack.
No stack shared publicly.
No stack shared publicly.
Nathan Barry self-reports $1.19M MRR (ConvertKit) (as of 2019) and Sahil Lavingia self-reports $17.8M/yr (Gumroad, 2025). By these self-reported figures, Sahil Lavingia's reported monthly revenue is higher. Figures are unaudited and may cover different periods or businesses, so treat them as rough indicators.
Nathan Barry has 1 product listed (Kit (formerly ConvertKit)); Sahil Lavingia has 3 products listed (Gumroad, Flexile and Helper).
Nathan Barry: Boise, United States. Sahil Lavingia: Brooklyn, United States.
Nathan Barry started in 2012 (14 years indie); Sahil Lavingia started in 2011 (15 years indie).
Nathan Barry is listed as bootstrapped; Sahil Lavingia isn't tagged as bootstrapped on IndieMakerList.
Read the full story, timeline and links on Nathan Barry's profile and Sahil Lavingia's profile.