New — 就活AI面接練習 launched today

AI-Powered Products
for Global Markets.

Five products. Four languages. Three markets. One indie maker — building with Claude Code, shipping every week, transparent about the numbers.

5
Products
4
Languages
3
Markets
46
KDP Books

Products

Every product built from real experience. No reskins. No templates. Just tools that solve actual problems.

就活AI面接練習

就活AI面接練習

AI job interview simulator for Japanese students — industry-specific questions, real-time feedback, and keigo correction.

Free 日本語 New
Shopify

Shopify From 0 to 1

Complete startup guide: 22-page tutorial, 35-item checklist, 5 niche ideas — everything you need to launch your first store.

$39 PDF
KDP

KDP Publishing Toolkit

Print-ready PDF templates, cover design scripts, and keyword research methodology — built from 46 published books.

$49 Toolkit
書類通

書類通 (Shorui-tsu)

Japanese document AI for 520,000+ Vietnamese residents. Upload any official form — get a clear explanation in Vietnamese in seconds.

Free 3 uses/day
JP2CN

JP2CN

Cross-border e-commerce AI — one click converts Japanese product info into platform-optimized Chinese copy for Tmall, RED, and WeChat.

Free trial SaaS

Building in public. No filters.

Follow the journey — weekly launches, honest revenue numbers, and actual lessons from one indie maker figuring it out in real time.

Follow @ECflowcross →