A collection of independent projects

Independent
software
by Chou.

Workshop software, learning tools, and native utilities.
Independent projects built around practical problems.

Web / macOS / iOSIndependent projects. Selected public source.

01 / Featured project

From stockroom to print shop.

Workshop operationsEarly free trials

Sổ Xưởng

Operations software from 3361 SPORT for sportswear and garment-printing workshops in Vietnam. AI-assisted delivery-note processing, Claude API integration for KiotViet reconciliation, and print preparation.

Explore Sổ Xưởng →

From delivery notes to print-ready files

Built from internal workshop needs

01Extract delivery notes with AI
02Review and reconcile with KiotViet
03Prepare orders and export print files

Two invited workshops have tried Sổ Xưởng for free, using similar KiotViet and football jersey printing workflows.

02 / Learning tools

Learning, step by step.

Web appFor Vietnamese-speaking learners

English B2
Roadmap

A structured self-study path from beginner English toward B2. Lessons, practice, and progress in one place.

Explore the source

The learning path

BeginnerBuild the foundations

A1Start with the essentials
A2Build everyday confidence
B1Go beyond the basics

The goal

More independent
English.

A study roadmap, not a certification or a guaranteed result.

Four skills

Reading, writing,
listening, and speaking

Daily practice

Flashcards and
pronunciation exercises

A starting point

Placement and
structured lessons

Visible progress

Track learning
along the way

On the roadmap

More personal
English practice.

Planned Claude-powered features for English B2 Roadmap.

Planned · Not yet available

Writing feedback

Useful explanations for grammar, word choice, and clarity.

Conversation practice

Guided conversations with feedback that helps learners keep going.

Adaptive exercises

Practice shaped around a learner’s level and areas to improve.

The current app uses rule-based grading. It does not yet use Claude at runtime. These features are development plans, with no announced release date.

03 / Utilities & experiments

Made for the details.

macOS · Open source

MacRAR

A native home for your archives.

A free, open-source archive manager with extraction, Finder services, and Quick Look previews.

Native macOS interface
Archive extraction & previews
Finder integration

iOS · Experimental

GMapHUD

A focused CarPlay experiment.

An experimental rootless iOS tweak that displays VietMap Live speed and speed-limit information in Google Maps CarPlay.

Compact speed & limit display
CarPlay interface research
Public source code

Also on the workbench

ZaDarkHelper

A macOS helper around the upstream ZaDark project by ncdai.

Source on GitHub

LBP2900 compatibility

A macOS compatibility patch using existing Canon and open CAPT components.