Yakup Efe Çalışkan

Building CancelKit, a churn-prevention widget for indie Stripe SaaS founders. Documenting the build here — happy to swap notes with other bootstrapped founders.

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I stopped explaining my product to testers. Here’s what happened.

Built a 5-Minute Revenue Leak Diagnostic for SaaS: Currently Looking for 5 Beta Testers

Built a 5-Minute Revenue Leak Diagnostic for SaaS: Currently Looking for 5 Beta Testers

I built a churn-prevention tool, then deleted the billing code and made it free

Verdict Buddy by Inithouse: defining the AI conflict mediator category (and what it is not)

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