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Show HN: Cyrinx (36kbps Acoustic Transport)

https://cyrinx.org/
2•dweekly•1h ago
Working with Fable 5, a MacBook, and a Pixel phone, I built an acoustic transport library that is several orders of magnitude faster than existing SoTA open source options like ggwave, quiet, minimodem, or Chirp.

Paper: https://cyrinx.org/cyrinx-acoustic-link.pdf

Apache 2.0 source: https://github.com/dweekly/cyrinx

Show HN: Microsoft releases Flint, a visualization language for AI agents

https://microsoft.github.io/flint-chart/#/
209•chenglong-hn•8h ago•78 comments

Show HN: Yamanote.fun – A complete soundscape for Tokyo's Yamanote line

https://www.yamanote.fun/
59•madebymagnolia•1d ago•16 comments

Show HN: Frugon – Find which LLM calls a cheaper model could handle (local, MIT)

https://github.com/Rodiun/frugon
13•jarodrh•1d ago•2 comments

Show HN: Onboard-CLI, a LLM powered and AST-based tool to visualize codebase

https://github.com/animesh-94/Onboard-CLI
20•yr_animesh•6h ago•5 comments

Show HN: Follow London Trains in 3D

https://ride.nexttrain.london/
130•mgranados•4d ago•56 comments

Show HN: Agent Draw: An agent draws while you talk, built on TLDraw

https://techstackups.com/articles/tldraw-agent-draw/
30•jameswhitford•2d ago•6 comments

Show HN: Cyrinx (36kbps Acoustic Transport)

https://cyrinx.org/
2•dweekly•1h ago•0 comments

Show HN: Abralo – Free, easy way to run several Claude Code agents in one window

https://abralo.com/
10•cwbuilds•11h ago•2 comments

Show HN: Hnwork.app – UI for Who is hiring posts

https://hnwork.app/
20•scottilee•6h ago•5 comments

Show HN: Foreman, a self-hosted LLM gateway for cost aware model routing

https://github.com/Northwood-Systems/foreman
14•AndrewLiu96•8h ago•5 comments

Show HN: Neil the Seal Game

https://neiltheseal.app/
88•dalemhurley•3d ago•79 comments

Show HN: I ran 70 MCP servers in a sandbox and logged what they do

https://github.com/BhaveshThapar/mcp-audit
2•bthapar•3h ago•1 comments

Show HN: A tool that checks how your business appears in AI search

https://www.tryagentscore.com
2•nikhilsiyer•4h ago•1 comments

Show HN: Chiptune Radio

https://chiptune-radio.alephvoid.com/
75•bootbloopers•1d ago•16 comments

Show HN: Davit, a Apple Containers UI

https://davit.app
378•xinit•1d ago•97 comments

Show HN: Handsum: An LQIP Image File Format

https://nigeltao.github.io/blog/2026/handsum.html
2•nigeltao•5h ago•0 comments

Show HN: Rowboat – Open-source, local-first alternative to Claude Desktop

https://github.com/rowboatlabs/rowboat
212•segmenta•1d ago•91 comments

Show HN: Kastor – Terraform-style specs for AI agents

https://github.com/weirdGuy/kastor
32•weirdguy•10h ago•17 comments

Show HN: Nully – FOSS AI chat without the bloat

https://nully.chat/
2•johnfahey•5h ago•0 comments

Show HN: Pug.sh – open-source product analytics

https://pug.sh/
11•BajajScooter•13h ago•6 comments

Show HN: PostgreSQL performance and cost across 23 EC2 instance types

https://postgres.saneengineer.com
95•anivan_•1d ago•20 comments

Show HN: Skill-extractor turns coding agent transcripts into reusable skills

https://github.com/surenode-ai/skill-extractor
4•chand249•6h ago•0 comments

Show HN: Free Mermaid Diagram Editor

https://moxiedocs.com/mermaid-diagram-editor
49•ghosts_•1d ago•12 comments

Show HN: REST - Living Without Burnout. A manifesto about sustainable discipline

https://themanifesto.rest/
2•dasannikov•6h ago•0 comments

Show HN: SharpSkill – Test your IT skills in 15 different spoken languages

https://sharpskill.dev/en
4•Enjoyooor•6h ago•0 comments

Show HN: Nodeup – automate Node.js version upgrades and NPM package migration

https://github.com/dipto0321/nodeup
3•dipto47•7h ago•0 comments

Show HN: Connect DuckDB to any database that has an ADBC driver

https://github.com/columnar-tech/duckdb-adbc-client
3•sarch•7h ago•0 comments

Show HN: Fast, native Mac file manager (filters, fuzzy find, 9 MB, no Electron)

https://whimfiles.com
97•whimbyte•1d ago•69 comments

Show HN: Docx-CLI: agents read/edit Word docs using 1/2 the time and tokens

https://github.com/kklimuk/docx-cli
69•kirillklimuk•1d ago•30 comments

Show HN: Halo – open-source, tamper-evident runtime evidence for AI agents

https://github.com/bkuan001/halo-record
37•brian_kuan•1d ago•23 comments