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Arrfounder

Mark Hinschberger

@marklaunches

On sabbatical from @aave Building stepracers.com openllmrank.io sidefleet.xyz/ birdieswing.com flagstick.live/

www.markhinschberger.com/
Joined February 2011

Products & Projects

Flagstick logo

Flagstick

flagstick.live

Live golf tournament software and league scoring for clubs and societies. Players score on their phones; the leaderboard updates in real time, from the bar TV to home.

Birdieswing logo

Birdieswing

birdieswing.com

Get instant, professional-grade feedback on your golf swing. AI-powered analysis of setup, backswing, impact, and follow-through.

Sidefleet logo

Sidefleet

sidefleet.xyz

Type a task on any device. A machine you own runs Claude Code, Codex or opencode in its own worktree and streams every step back live.

Openllmrank logo

Openllmrank

openllmrank.io

Open-source AI visibility benchmark. Measure how often AI search engines mention and cite your brand vs. competitors. Free CLI, or hosted reports from $49/mo.

Stepracers logo

Stepracers

stepracers.com

Run a company step challenge your team will talk about: live leaderboards and department rivalries, set up in 10 minutes. From €99/month, or free for 10.