supastarter
supastarter.dev
SaaS starter kit with auth, billing, organizations and emails for Next.js, Nuxt and TanStack Start.
diff ~/p/jonathan-wilke ~/p/kitze
Products, revenue & stack compared side by side.
German founder of supastarter, the SaaS starter kit for Next.js, Nuxt and TanStack
Both Jonathan Wilke and Kitze are bootstrapped solo founders and build in public. They overlap in Boilerplate & Starter Kit Makers and Developer Tools. Jonathan Wilke has 4 products listed on IndieMakerList vs Kitze's 9. On revenue, Jonathan self-reports $12K/mo (as of 2024) and Kitze $223K in 30 days (verified, Tinkerer Club launch); $400K+ total verified (as of 2026). They share 3 tools in their stacks: Next.js, TypeScript and Prisma. On X, Jonathan has about 30K followers and Kitze about 104K.
Revenue figures are self-reported by each maker and not audited; dates and scope differ. Highlighted categories are shared by both.
supastarter.dev
SaaS starter kit with auth, billing, organizations and emails for Next.js, Nuxt and TanStack Start.
supatools.dev
Developer tools listed in Jonathan's X bio.
outbid.lol
Side project listed in Jonathan's X bio.
maible.io
Side project listed in Jonathan's X bio.
benji.so
All-in-one Life OS for tasks, habits, routines, journaling, fasting, workouts and nutrition across web, mobile and desktop.
tinkerer.club
Private lifetime community for people who automate their lives, run local AI and self-host their software.
zerotoshipped.com
Full-stack starter kit with a Next.js web app and Expo mobile app on one shared backend.
sizzy.co
Browser for web developers with synchronized devices, project workspaces, isolated sessions, debugging and coding agents.
3 shared tools, marked with ★: Next.js, TypeScript, Prisma. See the indie maker tech stack.
Jonathan Wilke self-reports $12K/mo (as of 2024) and Kitze self-reports $223K in 30 days (verified, Tinkerer Club launch); $400K+ total verified (as of 2026). By these self-reported figures, Kitze's reported monthly revenue is higher. Figures are unaudited and may cover different periods or businesses, so treat them as rough indicators.
Jonathan Wilke has 4 products listed (including supastarter, supatools and Outbid); Kitze has 9 products listed (including Benji, Tinkerer Club and Zero To Shipped).
Jonathan Wilke uses Next.js, Nuxt, TanStack Start, TypeScript, Supabase and Prisma. Kitze uses React, Next.js, TypeScript, tRPC, Prisma and Tailwind CSS. Tools they have in common: Next.js, TypeScript and Prisma.
Jonathan Wilke: Germany. Kitze: not listed.
Yes, both are listed as bootstrapped founders on IndieMakerList.
Read the full story, timeline and links on Jonathan Wilke's profile and Kitze's profile.