翼
Tsubasa · Projects

制作物

Projects

Free, open tools and experiments — things I build and give away, because they should exist and shouldn't cost anything.

覚 Standalone study tool · MNN 1–50 · New
覚 ↗
BrainForge

A keyboard-first vocabulary workshop that makes recall progressively harder: both directions, mixed units, delayed repairs, final checks, live romaji-to-kana, and honest learning evidence.

Start forging memories
読む New design · Kana + N5 · Free
読む ↗
Japanese Speed Reader

Less decoding. More reading. Find your rhythm with kana, N5 kanji and vocabulary — scored sprints, lesson filters, a quiet Flow mode, and another shot at your missed words.

Let’s read
日本語 Learning Hub · Free · Live
日本語
Japanese Mastery

Free, structured Japanese learning tools — Japanese Speed Reader, N5 study guide, particle drill, sentence scramble, and pattern drill. No login, no cost. N4 → N1 in progress.

Open Hub
改 App · Free · Live
改
Kaizen

A life RPG that gamifies self-improvement. Track six stats — Intelligence, Language, Craft, Vitality, Charisma, Discipline — earn XP, climb ranks from E to S★, and build daily streaks. Inspired by Solo Leveling.

Open App
In Progress N4 Study Suite
Kanji, vocabulary, and grammar tools for the next level up.

みんなの制作物 · Built together

Community library

Projects, PDFs, Anki decks, and study guides from independent creators. Explore the full student library ↗


project · Reading · Kana · JLPT N5

Japanese Speed Reader

Find your reading rhythm with kana, N5 kanji and vocabulary. Try a timed sprint, settle into Flow mode, or revisit the words you missed.

By Rayan · Tabicuts · Free to use; see resource for reuse terms

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project · Habits · Focus · Personal growth

Kaizen

Turn your daily habits into a life RPG. Earn XP, build streaks, and grow six personal stats as you work toward your goals.

By Rayan · Tabicuts · Free to use; see resource for reuse terms

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project · Learning hub · Japanese · Self-study

Japanese Mastery

Your starting point for learning Japanese: a collection of reading tools, study references and grammar practice, organised in one place.

By Rayan · Tabicuts · Free to use; see resource for reuse terms

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guide · Kanji · Vocabulary · Grammar

N5 Study Guide

Explore beginner kanji, vocabulary and grammar patterns. Search the reference, mark what you know, and keep track of your progress.

By Rayan · Tabicuts · Free to use; see resource for reuse terms

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project · Grammar · Particles · Practice

Particle Drill

Get comfortable with は, が, に, で and を. Choose the right particle for each sentence and learn from immediate feedback.

By Rayan · Tabicuts · Free to use; see resource for reuse terms

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project · Sentences · Word order · Practice

Sentence Scramble

Make Japanese word order feel natural. Arrange words into sentences, starting with simple structures and building from there.

By Rayan · Tabicuts · Free to use; see resource for reuse terms

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project · Grammar · Sentence patterns · Practice

Pattern Drill

Move from recognising a grammar pattern to using it. Practise N5 patterns through focused sentence-completion exercises.

By Rayan · Tabicuts · Free to use; see resource for reuse terms

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制作哲学 — Build Philosophy

I build things, then give them away

Every project here starts as something I wished existed and ends as something anyone can use for free. No paywalls, no accounts, no tracking. I build in the open because knowledge is more useful when it isn't owned.

£0
Cost to you, forever
4
Live projects, all free
∞
Ideas in the backlog