Kai Alder

Building dev tools. Shipping fast.

Recent activity

I'm 15 and built a web accessibility SaaS in two days and here's how it went

I built a free FCA firm checker in 4 weeks — struggling with distribution (0 → 10 customers)

I'm a lawyer who launched an AI contract tool on Product Hunt today — here's what building it as a non-technical founder actually felt like

“After 600+ founder conversations, 90% are building the wrong thing”

I realized showing problems isn’t enough — so I built this

Maintaining open-source projects that millions use

I went from 32 signups/week to 0. One headline change.

Early-stage founders — what’s been harder so far: building or getting users?

I spent 5 weeks building a beauty product tracker. I own zero beauty products.

How to build a quick and dirty prototype to validate your idea

Shipped my first ever mobile app. Not sure if anyone needs it.

I built an AI contract analysis tool for SMBs - looking for feedback

Why most SaaS MVPs stall after launch (and what founders underestimate)

I launched 2 apps on Product Hunt and both were featured — here's what I learned

I Thought I Needed to Stretch. I Needed to Quit.

Stop Building Features: Why 80% of Your Roadmap is a Waste of Time

Built a visual MCP config generator for AI tools — free, no signup

I got tired of paying $198/mo for A/B tests, so I built a $9 alternative

I built a free invoice generator that lets you attach photos to line items

From broke to $100k MRR in four years