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Show HN: Fun, Open-source Japanese learning Platform inspired by Monkeytype

https://github.com/lingdojo/kana-dojo
2•yourladybug•2h ago
As a long time Japanese learner, I've always wanted there to be a simple, free online trainer for learning and grinding Japanese kanji and vocabulary - like Monkeytype in the typing community (fun fact: we actually have 2 Monkeytype devs on our team now!).

I'm doing this because I grew tired of all the subscriptions and paywalls, which are unfortunately very common in the Japanese learning apps market. That's why I want to make the most fun, user-friendly and customizable platform for learning Japanese currently available, and the first one that is (and will be, forever) completely free, ad-free and open-source - driven not by profit, but made by the community, for the community. We already managed to get around 600 stars on GitHub and about 7k monthly users for the app. That being said, I recognize that the app is still in its very early alpha stages and is, objectively speaking, behind paid Japanese learning solutions (at least for now) - which is why I want to change that and make it the first entirely free and open-source platform for learning Japanese to provide a real, high-quality alternative to all the current paid Japanese learning resources, which I believe we can achieve with the open-source community's help. Why am I doing this? Because weebs deserve to have a free, open-source learning platform too (I'm one of them, don't judge...)

どうもありがとうございます!

Why Are Seattle Drivers Paying More for Gas?

https://oilprice.com/Energy/Energy-General/Why-Are-Seattle-Drivers-Paying-So-Much-More-for-Gas.html
1•PaulHoule•1m ago•0 comments

Ubisoft Delays Earnings and Requests Share Trading Halt

https://www.bloomberg.com/news/articles/2025-11-13/ubisoft-delays-earnings-and-requests-share-tra...
1•cimnine•1m ago•1 comments

Sam Altman and husband fund startup to edit babies' genes

https://www.thetimes.com/us/news-today/article/sam-altman-open-ai-husband-genetically-engineered-...
1•salkahfi•4m ago•0 comments

Show HN: Built my tool for learn English

https://www.neural-grammar.com/
1•baursha•5m ago•0 comments

Peekpoke: Tiny retro fantasy console with two commands peek and poke

https://github.com/abagames/peekpoke
1•woolion•6m ago•0 comments

Bubble and Build: The 2025 Mad (Machine Learning, AI and Data) Landscape

https://www.mattturck.com/mad2025
1•teleforce•7m ago•0 comments

Pleiades star cluster revealed as just one part of a stellar family

https://phys.org/news/2025-11-pleiades-star-cluster-revealed-vast.html
1•divbzero•7m ago•0 comments

Scheduling in LLM Inference

https://fergusfinn.com/blog/scheduling-in-inference-engines/
1•somnial•10m ago•0 comments

Photoroom T2i Open Model

https://huggingface.co/blog/Photoroom/prx-open-source-t2i-model
1•pilooch•13m ago•0 comments

How Markets could topple the global economy

https://www.economist.com/leaders/2025/11/13/how-markets-could-topple-the-global-economy
1•petethomas•16m ago•1 comments

Image Cash Letter – The Federal Reserve Banks image format for exchanging checks [pdf]

https://www.frbservices.org/binaries/content/assets/crsocms/financial-services/check/setup/frb-x9...
1•philippb•16m ago•0 comments

A/B Tests over Evals

https://www.raindrop.ai/blog/thoughts-on-evals/
1•Nischalj10•18m ago•0 comments

Cronmaster: Cron Management Made Easy

https://github.com/fccview/cronmaster
1•thunderbong•20m ago•0 comments

Show HN: Spatial CAPTCHA – 3D spatial reasoning test against AI bots

https://github.com/Shining04/Spatial-CAPTCHA
1•Shining_S•23m ago•1 comments

How markets could topple the global economy

http://economist.com/leaders/2025/11/13/how-markets-could-topple-the-global-economy
1•helsinkiandrew•23m ago•2 comments

Crowdsourced Prompt Engineering

1•notjunior•25m ago•0 comments

Support the call for Memory Safety incentives in EU cybersecurity policies

https://trifectatech.org/blog/support-memory-safety-incentives-in-eu-cybersecurity-policies/
2•weinzierl•29m ago•0 comments

Starting Debugging Session from CLI

1•regular8901•29m ago•0 comments

Open source minimalist Android launcher

https://github.com/GeorgeClensy/Escape-Launcher
2•GeorgeClensy•32m ago•1 comments

Show HN: Matcha or Swamp?

https://fragkakis.github.io/matchaorswamp/
1•fragkakis•32m ago•0 comments

Aaronson handles some of that quantum hype

https://scottaaronson.blog/?p=9325
1•gsf_emergency_4•33m ago•1 comments

RegreSQL: Regression Testing for PostgreSQL Queries

https://boringsql.com/posts/regresql-testing-queries/
4•radimm•39m ago•0 comments

Record Number of Young Women Want to Ditch the U.S. Under Trump

https://www.thedailybeast.com/record-number-of-young-women-want-to-ditch-the-us-under-trump/
1•ryan_j_naughton•39m ago•1 comments

We created a searchable database with all 20k files from Epstein's Estate

https://couriernewsroom.com/news/we-created-a-searchable-database-with-all-20000-files-from-epste...
2•nabla9•40m ago•0 comments

Mozilla Adding New 'AI Window' Feature to Its Firefox

https://connect.mozilla.org/t5/discussions/building-ai-the-firefox-way-shaping-what-s-next-togeth...
2•zekrioca•44m ago•1 comments

Multi-User Dungeon (MUD)

https://en.wikipedia.org/wiki/Multi-user_dungeon
4•reconnecting•52m ago•1 comments

Not So Wonderful Things

https://stage-write.ghost.io/not-so-wonderful-things/
1•ides_dev•54m ago•0 comments

India state offers menstrual leave to all working women

https://www.bbc.com/news/articles/c78zg4810jro
2•vinni2•55m ago•0 comments

I built a small Sora-style video generator as a side experiment

https://saro2.ai
2•kelly99•56m ago•1 comments

Concurrent Local Coding Agents – My opinionated, flexible version of Cursor 2.0

https://xxchan.me/blog/2025-11-14-concurrent-local-coding-agents/index_en/
1•xxchan22•1h ago•0 comments