CopterJS

CopterJS

Full Stack Developer

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Maker History

  • Countdown Timer
    Countdown TimerZero-dependency, It also runs on Samsung Tizen Smart TVs
    Sep 2026
  • Milky Way Planner
    Milky Way PlannerFree Milky Way planner: direction, timing, moon phase
    Sep 2026
  • MeowMap
    MeowMapReport and track stray cat sightings on a live community map
    Sep 2026
  • Recura
    RecuraSee every subscription you pay. No signup and BYOK AI
    Sep 2026
  • 🎉
    Joined Product HuntMay 7th, 2021

Forums

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2mo ago

Milky Way Planner - Free Milky Way planner: direction, timing, moon phase

วางแผนถ่ายภาพทางช้างเผือกในประเทศไทย — ทิศทาง มุมเงย เวลาที่ดีที่สุด เฟสดวงจันทร์ และคำแนะนำช่างภาพ "Free Milky Way planner: direction, timing, moon phase" — leads with the season-scan feature (rank 90 nights by altitude/moonlight) as the differentiator, ends with the Buy Me a Coffee-only monetization as a trust signal (no login, no ads).
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2mo ago

Recura - See every subscription you pay. No signup and BYOK AI

Recura shows what you pay every month and what renews next: totals, a charge calendar, a budget meter, and renewal alerts with Keep / Pause / Cancel buttons. No account, no bank login, and your list lives in your browser. Free, Thai & English.
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1mo ago

Countdown Timer - Zero-dependency, It also runs on Samsung Tizen Smart TVs

A free, full-screen countdown timer that runs entirely in your browser. Supports multiple timers, Pomodoro sessions, themes, alarms, and offline use — no signup required.
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