Nice to meet you. How have you been?
I’m Jongjin Choi, a Forbes-featured founder building tools and spaces for people creating with AI.
Work
Decker helps non-developers run and manage multiple AI-built projects without fighting the terminal.
Decker — One-click localhost control for AI-built products.Run, preview, share, and deploy your AI-built apps without chasing ports, terminals, or broken localhost links.
rundecker.com Halden helps builders protect API keys before they leak into code, git history, AI context, or deployment.
Halden — Catch exposed API keys before you publishCheck your AI-built app before it reaches GitHub. Halden finds exposed API keys, risky env files, git history issues, AI tool context, and synced folders locally.
gethalden.com Holt is a local-first writing app for private notes, trusted sharing, and web publishing.
Holt — Markdown notes and blog posts in one simple writing appRead and edit Markdown files you control. Write blog posts separately, then share privately or publish to the web when you choose.
writeholt.com Temper helps builders find available domains without leaving their AI workflow.
Siggu is a Discord-based build space for people who want to keep creating without doing it alone.
Siggu — A Discord Build Space for Builders Working AloneA Discord Build Space for people making things on their own, with a place to return and people alongside the work.
siggu.xyz 