Life & fun · September 5, 2026
Md2pdf – Markdown to PDF with proper CJK typesetting (pandoc and Typst)
Markdown to a well-typeset PDF with CJK text as a first-class citizen. pandoc + Typst, plus a macOS CoreText engine for the system PingFang font. - openwhale-labs/md2pdf
What it does
Markdown to a well-typeset PDF, with CJK text as a first-class citizen. ( 中文说明 ) md2pdf report.md One command turns a Markdown file into an A4 PDF that reads like a typeset document, not a printed web page: Chinese, Japanese and Korean text set with proper leading and justification, Latin text in its own font, headings in a contrasting sans-serif, tables that break cleanly across pages, and every font subset-embedded so the file looks the same on any machine. Most converters print HTML through a browser engine. That works for Latin text and falls apart for CJK: line spacing is too tight, justification opens rivers, tables get pushed whole onto the next page, and the fonts you see on screen…from github.com
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Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Life & fun · 26d ago · baselashraf81.github.io
Launched alongside, September 2026
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OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 1d ago · opentrailpaper.com

Run Qwen3.8-Flash-Next (125B MoE, 104 GB at 4-bit) on Macs with a fraction of that RAM by streaming experts from SSD. MLX + Swift, Ollama-compatible API. - carloslfu/slotstream
Dev tools · 4d ago · github.com

Weedout is a Safari extension that filters out videos YouTube labels as “Made with AI”.
AI · 4d ago · masteranza.github.io

NPC-Forge is a framework for building conversational agents that run on the CPU without relying on machine learning or LLMs. - NPC-Forge/docs/development.md at main · gioblu/NPC-Forge
AI · 1d ago · github.com

Find your next hire or your next role from Hacker News monthly threads. AI-powered matching between candidates and job postings.
AI · 4d ago · hnmatchmaker.com

I made OwnTime to balance between competing priorities in my life. The idea is based on two main influences: the concept of "roles" from "The 5 Choices" (2015), and my repeated failure to effectively implement time blocking due to the necessary flexibility in my role. The app allows you to define time budgets, which are not much more than a few mutually exclusive countdown timers. The UX is essentially that of a chess clock for an arbitrary number of players with configurable time. The whole point of the app is to kick you out of the running role/priority when its time is up. One…
Life & fun · 4d ago · owntime.app