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Show HN: I'm making an Open-source Japanese learning App inspired by Monkeytype

https://github.com/lingdojo/kana-dojo
1•tentoumushi•1h 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.

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.

Miraculously, I already managed to find a solid amount of contributors and users for the early alpha stages of the app, and I'm looking to grow and develop the app even further to provide a real, high-quality alternative to all the current paid Japanese learning resources. Which I'm sure we can achieve with your and 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!

Automation via UEFI

https://vahidhashemi.com/wp-login.php?redirect_to=https%3A%2F%2Fvahidhashemi.com%2Fwp-admin%2Fpos...
1•wanabeunknown•1m ago•1 comments

Air Force launches ballistic missile from central California Space Force base

https://fox5sandiego.com/news/california-news/us-air-force-launches-icbm/
1•Bender•1m ago•0 comments

The Silver Swan: Conservation of the 250-year-old automaton

https://thekidshouldseethis.com/post/silver-swan-bowes-museum-automaton
1•thunderbong•1m ago•0 comments

The state of SIMD in Rust in 2025

https://shnatsel.medium.com/the-state-of-simd-in-rust-in-2025-32c263e5f53d
1•ashvardanian•2m ago•0 comments

Group by all: A popular, soon-to-be-standard SQL feature

https://modern-sql.com/caniuse/group-by-all
1•MarkusWinand•2m ago•0 comments

Binary Grand Prix: An optimized file game for hackers and reverse engineers

https://github.com/binarygolf/BGGP/blob/main/2025/6.md
1•risk•5m ago•1 comments

Zohran Mamdani NYC Transition Team

https://www.transition2025.com/
1•nashashmi•5m ago•0 comments

Pipelined Relational Query Language, PRQL: a simple, powerful, pipelined SQL rep

https://prql-lang.org/book/
1•fanf2•6m ago•0 comments

Software Sandboxing: The Basics

https://blog.emilua.org/2025/01/12/software-sandboxing-basics/
1•delduca•6m ago•0 comments

The infrastructure behind modern ranking systems (serving, data, MLOps)

https://www.shaped.ai/blog/the-infrastructure-of-modern-ranking-systems-part-1-the-serving-layer-...
1•semi_sentient•7m ago•1 comments

Dillo, a multi-platform graphical web browser

https://github.com/dillo-browser/dillo
1•nazgulsenpai•7m ago•0 comments

The Most Fascinating Findings After a Quarter Century of Science in the ISS

https://nautil.us/the-most-fascinating-findings-after-a-quarter-century-of-science-in-the-iss-124...
1•Bender•10m ago•0 comments

The Web Animation Performance Tier List

https://motion.dev/blog/web-animation-performance-tier-list
1•rustc•11m ago•0 comments

Show HN: NanaVis – Upload one image, describe the change

https://nanavis.com/
1•qqxufo•18m ago•0 comments

Show HN: Serverless platform for inference of time-series foundation models

https://faim.it.com/
1•ChernovAndrei•18m ago•0 comments

TRON Bag (2012)

https://learn.adafruit.com/tron-bag/overview
3•bariumbitmap•19m ago•0 comments

Beads: Beads – A memory upgrade for your coding agent

https://github.com/steveyegge/beads
1•PaulHoule•20m ago•0 comments

The rise of 'Slow AI': Why devs should stop speedrunning stupid

https://www.coderabbit.ai/blog/the-rise-of-slow-ai-why-devs-should-stop-speedrunning-stupid
1•aravindputrevu•21m ago•0 comments

The Most Magical Formula in the World- Exploring the Power of Residues

https://www.cantorsparadise.com/complex-analysis-infinite-series-integration-formula-fcc9b73143b3
1•malshe•21m ago•0 comments

Understanding multi GPU Parallelism paradigms

https://datta0.github.io/posts/understanding-multi-gpu-parallelism-paradigms/
2•allenleee•23m ago•0 comments

A new patch could help to heal the heart

https://news.mit.edu/2025/new-patch-could-help-heal-heart-1104
2•Marceltan•24m ago•0 comments

You can just read 25 books

https://a16z.substack.com/p/you-can-just-read-25-books
1•rawgabbit•24m ago•0 comments

Apple Silicon and the Developer Dilemma

https://sagittarius-a.org/blog/apple_dilemma/
2•xkv6•24m ago•0 comments

Show HN: TRex – macOS OCR menu bar app, now with 100+ languages

https://github.com/amebalabs/TRex
1•melonamin•24m ago•0 comments

U.S. Private Sector Added 42,000 Jobs in October, Says Payroll Processor

https://www.wsj.com/economy/jobs/u-s-hiring-rises-for-first-time-since-july-adp-reports-3df1d712
4•JumpCrisscross•25m ago•0 comments

Bikeshedding `Handle` and other follow-up thoughts

https://smallcultfollowing.com/babysteps/blog/2025/11/05/bikeshedding-handle/
1•emschwartz•26m ago•0 comments

Buildkite Broke Up (With) Its 56 TiB Database [video]

https://www.youtube.com/watch?v=G2xZTVUFfgM
2•intheairtonight•26m ago•0 comments

Ask HN: How do you feel about the increasing amount of AI comments on HN?

3•Gooblebrai•28m ago•6 comments

My chilling week on Roblox: sexually assaulted and shat on as a child avatar

https://www.theguardian.com/games/2025/nov/05/roblox-game-robux-children-child-kids-safety-parent...
4•c420•30m ago•0 comments

Show HN: sudocode – manage specs, tasks, and context-as-code for coding agents

https://github.com/sudocode-ai/sudocode
8•alexsngai•32m ago•1 comments