
Gelgit
Card-based school check-in; parents get a message the moment a student taps in.
Metehan Avcı
Founder, Algoritma Atölyesi · Software · Electronics and embedded systems
I built Gelgit for schools, Sigorta.io for insurance agencies, Picadoo for kids, and LaserMCP for makers.
Products

Card-based school check-in; parents get a message the moment a student taps in.

Renewal tracking, customer scoring, and quote intake on one panel for agencies.

An ad-free kids app that turns a photo into a coloring page.
Describe it to the AI; get cut-ready laser parts (SVG/DXF).
Open source

Drop dated folders into Google Drive; it schedules, waits for approval, and publishes to Instagram, TikTok, and YouTube from your own machine.
GitHubClient work
Corporate websiteCorporate site for the STEM & AI education center in Payas/Hatay: courses, announcements, gallery, achievements, national ID program lookup, and application flow. Live: payastem.com
View ›
CRM / Admin panelIn-house admin panel: email sign-in, centralized tracking of class schedules, branches, and instructor workflows. Next.js + Supabase. Live: payastemcrm.com
View ›
Marketing & launch supportDeep-sea merge + exploration game (Glop: Fish Merge Game). Download landing, Play Store routing, and launch-focused presentation — not code, but visibility and download experience. Live on Play.
Open page ›Social media
Brand accounts, content, and publishing. Work for this tab will land here.
Open page ›Videos
Making, software, and the workshop — short videos.
Watch on Instagram ›How I work
Issue → Branch → PR → Review → CI → Deploy.
Tools
Collaborations