Companies & products

I co-founded 50SAAS. It is home to my email marketing products, the work I've done since my first software sale in 1999. Sendloop alone has served tens of thousands of businesses.

Octeth

On-premise email marketing software for businesses that need full control over their email infrastructure. My first product, launched in 2000.

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Sendloop

Cloud email marketing for small businesses: create, send, and track campaigns. Co-founded with my brother Mert in 2008.

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Cleanify

Email list verification service that helps businesses maintain clean email lists for better deliverability.

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I founded Kayra in 2020 as a portfolio company for small software products. It acquired five established products, and I build new ones under it, from business tools to browser games.

Built: business tools

DemoPolish

AI-powered tool that transforms rough screen recordings into polished, professionally-narrated demo videos in 60 seconds.

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Lyraflow

Self-hosted customer journey analytics. Lyraflow records what people do in your product, stitches anonymous visits to known accounts, and answers who did what — running entirely on your own Docker host, so no data leaves it.

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SaasForecast

Free revenue forecasting tool for SaaS and software companies. Model subscription businesses with multiple pricing plans and see detailed 24-month MRR & ARR projections.

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InvoiceVault

A fast, no-friction invoicing tool that lets you prepare and send professional invoices to your clients on the fly. Build, customize, and deliver invoices in minutes — straight from your browser.

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Built: games and apps

DropDuel

A real-time 1v1 competitive block-dropping game. Challenge friends in Classic or Blitz mode with shareable room codes, live opponent boards, and cross-device play.

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MicroSweep

Browser-based Minesweeper with a shared per-difficulty leaderboard. Three classic difficulties plus custom games, playable on desktop and mobile — no accounts, just pick a name and play.

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FeltKings

A polished, free-to-play Solitaire (Klondike) right in the browser. Smooth card animations, smart auto-moves, and instant play on desktop or mobile — no downloads, no accounts, just deal and play.

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Coffee Break Snake

The classic Snake game, reimagined for your browser. Quick to pick up and perfect for a coffee break — play instantly on desktop or mobile, no downloads or accounts required.

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Operation Line

Brigade-level, turn-based operational warfare in the browser. Plan your moves in secret, outmaneuver the AI, and hold the line — on desktop or mobile, no install required.

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BatteryInfo

A native macOS menu-bar app for detailed battery and charging stats. See real-time charge levels, cycle counts, health, and power draw at a glance — lightweight, native, and always a click away.

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Nest Days

A shared iPhone calendar for couples who work shifting hours. Nest Days shows when you're both free, who owns the next task or pickup, and what changed in the plan, with no ads and no tracking.

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Acquired

TraceRank

SEO tracking tool that helps businesses monitor their search engine rankings and performance.

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LaunchMailbox

Cold email infrastructure for businesses that send outreach at scale.

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QuickTests

Email testing service that shows how an email renders across devices and email clients.

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ClickMonk

Analytics and tracking service that helps businesses understand user behavior on their websites.

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ContactWidget

Contact form widget that makes it easy for businesses to add contact forms to their websites.

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In development

HelpMonk

Customer support platform for handling customer conversations in one place.

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