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Show HN: LocalGPT – A local-first AI assistant in Rust with persistent memory

https://github.com/localgpt-app/localgpt
2•yi_wang•45m ago•0 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
59•momciloo•8h ago•11 comments

Show HN: A luma dependent chroma compression algorithm (image compression)

https://www.bitsnbites.eu/a-spatial-domain-variable-block-size-luma-dependent-chroma-compression-...
31•mbitsnbites•3d ago•2 comments

Show HN: Craftplan – Elixir-based micro-ERP for small-scale manufacturers

https://puemos.github.io/craftplan/
7•deofoo•4d ago•1 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
295•isitcontent•1d ago•39 comments

Show HN: Kappal – CLI to Run Docker Compose YML on Kubernetes for Local Dev

https://github.com/sandys/kappal
44•sandGorgon•2d ago•21 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
363•eljojo•1d ago•218 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
374•vecti•1d ago•172 comments

Show HN: Django-rclone: Database and media backups for Django, powered by rclone

https://github.com/kjnez/django-rclone
2•cui•2h ago•1 comments

Show HN: Witnessd – Prove human authorship via hardware-bound jitter seals

https://github.com/writerslogic/witnessd
2•davidcondrey•3h ago•1 comments

Show HN: More beautiful and usable Hacker News

https://twitter.com/shivamhwp/status/2020125417995436090
3•shivamhwp•39m ago•0 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
97•antves•2d ago•70 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
86•phreda4•1d ago•17 comments

Show HN: PalettePoint – AI color palette generator from text or images

https://palettepoint.com
2•latentio•5h ago•0 comments

Show HN: Artifact Keeper – Open-Source Artifactory/Nexus Alternative in Rust

https://github.com/artifact-keeper
156•bsgeraci•1d ago•65 comments

Show HN: BioTradingArena – Benchmark for LLMs to predict biotech stock movements

https://www.biotradingarena.com/hn
29•dchu17•1d ago•12 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
55•nwparker•2d ago•12 comments

Show HN: I built a <400ms latency voice agent that runs on a 4gb vram GTX 1650"

https://github.com/pheonix-delta/axiom-voice-agent
2•shubham-coder•7h ago•1 comments

Show HN: Stacky – certain block game clone

https://www.susmel.com/stacky/
3•Keyframe•8h ago•0 comments

Show HN: Gigacode – Use OpenCode's UI with Claude Code/Codex/Amp

https://github.com/rivet-dev/sandbox-agent/tree/main/gigacode
23•NathanFlurry•1d ago•11 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
18•denuoweb•2d ago•2 comments

Show HN: A toy compiler I built in high school (runs in browser)

https://vire-lang.web.app
3•xeouz•8h ago•1 comments

Show HN: Micropolis/SimCity Clone in Emacs Lisp

https://github.com/vkazanov/elcity
173•vkazanov•2d ago•49 comments

Show HN: Env-shelf – Open-source desktop app to manage .env files

https://env-shelf.vercel.app/
2•ivanglpz•10h ago•0 comments

Show HN: Nginx-defender – realtime abuse blocking for Nginx

https://github.com/Anipaleja/nginx-defender
3•anipaleja•10h ago•0 comments

Show HN: MCP App to play backgammon with your LLM

https://github.com/sam-mfb/backgammon-mcp
3•sam256•12h ago•1 comments

Show HN: Horizons – OSS agent execution engine

https://github.com/synth-laboratories/Horizons
27•JoshPurtell•2d ago•5 comments

Show HN: Daily-updated database of malicious browser extensions

https://github.com/toborrm9/malicious_extension_sentry
14•toborrm9•1d ago•8 comments

Show HN: I'm 75, building an OSS Virtual Protest Protocol for digital activism

https://github.com/voice-of-japan/Virtual-Protest-Protocol/blob/main/README.md
9•sakanakana00•13h ago•2 comments

Show HN: I built Divvy to split restaurant bills from a photo

https://divvyai.app/
3•pieterdy•13h ago•1 comments
Open in hackernews

Show HN: Synesthesia, make noise music with a colorpicker

https://visualnoise.ca
39•tevans3•2w ago
This is a (silly, little) app which lets you make noise music using a color picker as an instrument. When you click on a specific point in the color picker, a bit of JavaScript maps the binary representation of the clicked-on color's hex-code to a "chord" in the 24 tone-equal-temperament scale. That chord is then played back using a throttled audio generation method which was implemented via Tone.js.

NOTE! Turn the volume way down before using the site. It is noise music. :)

Comments

mcjiggerlog•2w ago
RIP my phone's speakers. Maybe I should have read the post first..
tevans3•2w ago
I'm sorry, this was an oversight on my part!

I adjusted the default volume, so that "painfully loud" is now opt-in by default...

hecanjog•2w ago
Lovely! Edit: you might want to consider adding a limiter to the output, it makes a lovely crackling effect but it's easy to flatline the output until it fizzles out completely, it'd be more curious to hear the denser textures.
tevans3•2w ago
Thanks! And thanks for that suggestion.

I added a limiter to the output and an envelope to my synth object, but after a bunch of experimenting with different settings for each, the flatlining effect was still there. Throttling beyond the note+release's duration did fix it, but that also removed the layering effect of overlapping chords. I think some of those were interesting and wanted to keep them. The last thing I tried was setting the attack to 0.01 and I think that fixed the flatlining issue?

hecanjog•2w ago
Sounds great now -- I'm not getting the DC stuttering when I play around with different colors anymore.

It seemed like the source is minified, but I didn't look that closely -- I'd be curious to hear more about your sonification scheme.

Edit: nevermind I found a link to the source & explanation in another comment! https://github.com/tevans-3/synesthesia

christopherscot•2w ago
oh my god, so LOUD lol - i didn't read the post just clicked the link LMAO
tevans3•2w ago
I'm sorry!

I know this doesn't help you now, but I changed the default volume to be significantly lower...

yzydserd•2w ago
synthesia
bitwize•2w ago
That's cool. I've been playing through the Quake Brutalist Jam collections recently, and this sounds almost like ambient music from one of those maps.
zenmac•2w ago
What is the LICENSE?
tevans3•2w ago
Just added it here: https://github.com/tevans-3/synesthesia/blob/main/LICENSE
nick__m•2w ago
I love the anti-licence and thank you for the blessings!
tevans3•2w ago
I actually found that in SQLite's source code! I love it too.