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Show HN: ChemistryLaTeX

https://chromewebstore.google.com/detail/chemistrylatex/dkjdnddfiajiachpfgbkicoiodgomnoc
2•quintessen•6h ago
I built a Chrome extension that renders 2D/3D chemical structures directly on any webpage. It was originally designed to help with chemistry workflows in LLMs (like ChatGPT or Claude), where complex nomenclature is common but visual representation is often missing. How it works:

It uses a regex-based trigger chem:mol=name: to detect chemical markup. You can also right-click any IUPAC name or common name (like "benzene") to render it instantly. Key Technical Details: Rendering: Uses a custom engine to generate bond-line diagrams.

3D View: Integrated 3D rendering for molecules, minerals, and biological assemblies (proteins/viruses) from RCSB. Performance: Implements SVG caching and lazy loading to ensure it doesn't slow down the browser. Privacy: Only processes text matching the specific trigger pattern /\bchem:([^:]+):/g; no other page data is collected. I'd love to get your feedback on the rendering style and any suggestions for additional markup triggers that would be useful for scientific typesetting.

Show HN: I used Claude Code to discover connections between 100 books

https://trails.pieterma.es/
458•pmaze•1d ago•137 comments

Show HN: GlyphLang – An AI-first programming language

30•goose0004•19h ago•18 comments

Show HN: Ferrite – Markdown editor in Rust with native Mermaid diagram rendering

https://github.com/OlaProeis/Ferrite
219•OlaProis•17h ago•137 comments

Show HN: Porting xv6 to HiFive Unmatched board

https://github.com/eyengin/xv6-riscv-unmatched
25•eyengin•1d ago•0 comments

Show HN: Play poker with LLMs, or watch them play against each other

https://llmholdem.com/
149•projectyang•1d ago•81 comments

Show HN: Librario, a book metadata API that aggregates G Books, ISBNDB, and more

122•jamesponddotco•19h ago•45 comments

Show HN: mcpc – Universal command-line client for Model Context Protocol (MCP)

https://github.com/apify/mcp-cli
48•jancurn•5d ago•4 comments

Show HN: I built an Open Source screen timer for the m5stickc (Arduino)

https://partridge.works/screenie-christmas-project-2025-26/
16•urbandw311er•5d ago•0 comments

Show HN: Yellopages – New tab Chrome extension

https://yellopages.kawaicheung.io/
31•kiwigod17•2d ago•7 comments

Show HN: Vehluna – A visual focus timer with no login or tracking

https://vehluna.vercel.app/
3•ella_dev•4h ago•0 comments

Show HN: VAM Seek – 2D video navigation grid, 15KB, zero server load

https://github.com/unhaya/vam-seek
39•haasiy•16h ago•12 comments

Show HN: Terminal UI for GCP

https://github.com/yogirk/tgcp
2•yogirk1•6h ago•1 comments

Show HN: Enforcing time-bounded technical debt with Git history

https://github.com/jobin-404/debtbomb
3•jjdev8157•6h ago•0 comments

Show HN: Marten – Elegant Go web framework (nothing in the way)

https://github.com/gomarten/marten
17•jackprescott•22h ago•5 comments

Show HN: Umaro – An interactive music theory suite for guitarists

https://www.umaro.app/
15•SnowingXIV•16h ago•4 comments

Show HN: I made a memory game to teach you to play piano by ear

https://lend-me-your-ears.specr.net
539•vunderba•2d ago•167 comments

Show HN: I built a fast, minimal Dota 2 counter tool to help me learn the game

https://dota2.tools/
2•lijinxuan•8h ago•1 comments

Show HN: We Identified a Counterfeit Pharmaceutical Product in Uzbekistan

https://yashsm01-glwdj.wordpress.com/2026/01/11/how-i-help-to-fight-counterfeit-pharmaceuticals-w...
3•yashsm01•8h ago•1 comments

Show HN: I put economic rules in silicon that can't be changed by software

2•PrimalOrigins•3h ago•1 comments

Show HN: Various shape regularization algorithms

https://github.com/nickponline/shreg
74•nickponline•2d ago•5 comments

Show HN: ESPTimeCast – DIY WiFi Clock and Weather Station for ESP32 / ESP8266

https://github.com/mfactory-osaka/ESPTimeCast
2•m-factory•9h ago•0 comments

Show HN: Executable Markdown files with Unix pipes

121•jedwhite•2d ago•98 comments

Show HN: Gyesme – exploring modularity and dependency boundaries in GNOME

https://www.gyesme.org
3•erikenanja•10h ago•1 comments

Show HN: Rocket Launch and Orbit Simulator

https://www.donutthejedi.com/
161•donutthejedi•2d ago•38 comments

Show HN: EuConform – Offline-first EU AI Act compliance tool (open source)

https://github.com/Hiepler/EuConform
71•hiepler•2d ago•46 comments

Show HN: A website that auctions itself daily

https://www.thedailyauction.com/
41•nsomani•2d ago•19 comments

Show HN: macOS menu bar app to track Claude usage in real time

https://github.com/richhickson/claudecodeusage
158•RichHickson•3d ago•48 comments

Show HN: Scroll Wikipedia like TikTok

https://quack.sdan.io
325•sdan•2d ago•86 comments

Show HN: Show HN submissions have tripled since 2023

https://imgur.com/a/K0A1yc1
13•anythingworks•10h ago•3 comments

Show HN: Miditui – A terminal app/UI for MIDI composing, mixing, and playback

https://github.com/minimaxir/miditui
64•minimaxir•3d ago•13 comments