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Show HN: I made an App for learning Japanese, and it won in Vercel's OSS program

https://github.com/lingdojo/kana-dojo
1•thebababak•1h ago
As someone who loves both coding and language learning (I’m learning Japanese right now), I always wished there was a free, open-source tool for learning Japanese, just like Monkeytype in the typing community.

Here’s the best part: I added a gazillion different color themes, fonts and other crazy customization options, inspired directly by Monkeytype. Also, I made the app resemble Duolingo, as that’s what I’m using to learn Japanese at the moment and it’s what a lot of language learners are already familiar with.

Miraculously, people loved the idea, and the project even managed to somehow hit 1k stars on GitHub now. Now, I’m looking to continue working on the project to see where I can take it next.

Back in January, I even applied to Vercel’s open-source software sponsorship program as a joke. I didn’t seriously expect to win, and did it more out of curiosity, fully expecting to lose.

Lo and behold, yesterday I woke up to an email saying the app has been accepted into Vercel’s Winter cohort. Crazy! GitHub: https://github.com/lingdojo/kana-dojo Live demo: https://kanadojo.com/

Anyway. Why am I doing all this? Because I’m a filthy weeb.

どうもありがとうございます!

John C. Dvorak – heart attack – in hospital

https://www.noagendashow.net/listen/1848?t=1:24
1•https443•1m ago•0 comments

Improving Antibot Biometric Protections: A Harsh Lesson from Akamai (2024)

https://www.mimic.sbs/antibot/Improving-Antibot-Biometric-Protections-Through-Threat-Intelligence...
2•mmarian•5m ago•0 comments

Sumo: Ukrainian ozeki Aonishiki never forgets where he started

https://mainichi.jp/english/articles/20260306/p2g/00m/0sp/020000c
1•rawgabbit•5m ago•0 comments

MariaDB innovation: vector index performance

http://smalldatum.blogspot.com/2026/02/mariadb-innovation-vector-index.html
1•gslin•6m ago•0 comments

Autoresearch: Agents researching on single-GPU nanochat training automatically

https://github.com/karpathy/autoresearch
1•simonpure•6m ago•0 comments

Show HN: Turn an audio recording into a LinkedIn video – no signup, no server

https://ohmstone.github.io/audiogram/
1•tonelord•7m ago•0 comments

The Elect

https://tomasbjartur.substack.com/p/the-elect
1•paulpauper•7m ago•0 comments

Completing Claude's Cycles [pdf]

https://github.com/no-way-labs/residue/blob/main/paper/completing_claudes_cycles.pdf
1•fs123•9m ago•0 comments

The Cost of Hard-to-Fire Labor Laws: Why European Firms Don't Take Risks

https://marginalrevolution.com/marginalrevolution/2026/03/the-hidden-cost-of-hard-to-fire-labor-l...
1•paulpauper•9m ago•0 comments

Evalien – Node.js event loop agent harness

https://github.com/agentbellnorm/evalien
1•agentbellnorm•9m ago•0 comments

Whale Fall

https://nesbitt.io/2026/02/21/whale-fall.html
1•cratermoon•10m ago•0 comments

Nippon Life Sues OpenAI over Legal Advice to Ex-Beneficiary

https://www.nippon.com/en/news/yjj2026030600630/
4•powera•14m ago•0 comments

Show HN: U-Boot Fw_env.config Bruteforcer

https://github.com/nstarke/U-Boot-fw_env_scan
1•bootbloopers•19m ago•0 comments

War Prediction Markets Are a National-Security Threat

https://www.theatlantic.com/technology/2026/03/polymarket-insider-trading-going-get-people-killed...
14•fortran77•19m ago•1 comments

How do teams prevent duplicate LLM API calls and token waste?

1•cachelogic•23m ago•0 comments

Agentic open-source local news comedian (Pydantic, Llama 3.1)

https://github.com/jeffjbowie/Local-News-Comedian-Agent
1•Veritaco•26m ago•0 comments

The First Multi-Behavior Brain Upload

https://theinnermostloop.substack.com/p/the-first-multi-behavior-brain-upload
1•bwjx•28m ago•0 comments

The Art of Dailiness, by Michael Bierut

https://www.itsnicethat.com/features/michael-bierut-the-art-of-dailiness-advice-education-creativ...
1•jruohonen•29m ago•0 comments

Fine I'll Try Linux One More Time [video]

https://www.youtube.com/watch?v=kluoZ9RhmVo
1•eldaisfish•30m ago•0 comments

Coworker Isn't the Enemy–Why Compete with Them?

1•01-_-•30m ago•0 comments

Sometimes the simple ideas are the most effective

https://www.trustle.online
2•cdotkay•30m ago•1 comments

Spirals – Or Visualizing Cycles and Patterns

https://uditsaxena.bearblog.dev/spirals-cycles-patterns/
2•wavelander•31m ago•0 comments

Show HN: I wrote a script to customise Hacker News with bigger fonts and skins

https://github.com/susam/hnskins
1•susam•31m ago•0 comments

I used pulsar detection techniques to turn a phone into a watch timegrapher

https://www.chronolog.watch/timegrapher
2•tylerjaywood•35m ago•1 comments

AI-Powered F1 Predictions

https://danielfinch.co.uk/words/2026/03/06/ai-f1-predictions/
2•danielsamuels•35m ago•1 comments

The MacBook Neo drops: What I'm doing to get it

https://www.sonka.io/wishlist/survival-funds-376a71
1•chiswanjo•36m ago•0 comments

Google PM open-sources Always On Memory Agent, ditching vector databases

https://venturebeat.com/orchestration/google-pm-open-sources-always-on-memory-agent-ditching-vect...
1•antigrav_kids•37m ago•2 comments

Full Circle: How AI Agents Are Bringing Back the Age of the Designer

http://bodgerwashere.blogspot.com/2026/03/full-circle-how-ai-agents-are-bringing.html
1•jlbprof•39m ago•0 comments

Sendbuilds: Build and deploy any GitHub repo with one command

https://github.com/Sendara/sendbuilds
1•notsliver•40m ago•0 comments

Uber CEO on culture: expects weekend email replies, will push out non-performers

https://fortune.com/2026/03/04/uber-ceo-dara-khosrowshahi-rejects-work-life-balance-staffers-resp...
6•nickvec•40m ago•2 comments