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

https://www.bitsnbites.eu/a-spatial-domain-variable-block-size-luma-dependent-chroma-compression-...
26•mbitsnbites•3d ago•2 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
48•momciloo•7h ago•9 comments

Show HN: Browser based state machine simulator and visualizer

https://svylabs.github.io/smac-viz/
8•sridhar87•4d ago•3 comments

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

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

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

https://github.com/valdanylchuk/breezydemo
294•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•20 comments

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

https://eljojo.github.io/rememory/
362•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•171 comments

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

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

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

https://palettepoint.com
2•latentio•3h 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
85•phreda4•1d ago•17 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: 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•6h ago•1 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: Stacky – certain block game clone

https://www.susmel.com/stacky/
3•Keyframe•7h ago•0 comments

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

https://vire-lang.web.app
3•xeouz•7h ago•1 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: Nginx-defender – realtime abuse blocking for Nginx

https://github.com/Anipaleja/nginx-defender
3•anipaleja•9h ago•0 comments

Show HN: Micropolis/SimCity Clone in Emacs Lisp

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

Show HN: MCP App to play backgammon with your LLM

https://github.com/sam-mfb/backgammon-mcp
3•sam256•11h ago•1 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•12h ago•2 comments

Show HN: Horizons – OSS agent execution engine

https://github.com/synth-laboratories/Horizons
27•JoshPurtell•1d ago•5 comments

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

https://divvyai.app/
3•pieterdy•12h ago•1 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: Falcon's Eye (isometric NetHack) running in the browser via WebAssembly

https://rahuljaguste.github.io/Nethack_Falcons_Eye/
7•rahuljaguste•1d ago•1 comments

Show HN: Local task classifier and dispatcher on RTX 3080

https://github.com/resilientworkflowsentinel/resilient-workflow-sentinel
25•Shubham_Amb•2d ago•2 comments

Show HN: Slop News – HN front page now, but it's all slop

https://dosaygo-studio.github.io/hn-front-page-2035/slop-news
22•keepamovin•17h ago•6 comments
Open in hackernews

Show HN: AutoShorts – Local, GPU-accelerated AI video pipeline for creators

https://github.com/divyaprakash0426/autoshorts
72•divyaprakash•1w ago

Comments

divyaprakash•1w ago
I built this because I was tired of "AI tools" that were just wrappers around expensive APIs with high latency. As a developer who lives in the terminal (Arch/Nushell), I wanted something that felt like a CLI tool and respected my hardware.

The Tech:

    GPU Heavy: It uses decord and PyTorch for scene analysis. I’m calculating action density and spectral flux locally to find hooks before hitting an LLM.

    Local Audio: I’m using ChatterBox locally for TTS to avoid recurring costs and privacy leaks.

    Rendering: Final assembly is offloaded to NVENC.
Looking for Collaborators: I’m currently looking for PRs specifically around:

    Intelligent Auto-Zoom: Using YOLO/RT-DETR to follow the action in a 9:16 crop.

    Voice Engine Upgrades: Moving toward ChatterBoxTurbo or NVIDIA's latest TTS.
It's fully dockerized, and also has a makefile. Would love some feedback on the pipeline architecture!
ramon156•1w ago
I don't get this reasoning. You were tired of LLM wrappers, but what is your tool? These two requirements (felt like a CLI and respects your hardware) do not line up.

Still a cool tool though! Although it seems partly AI generated.

fouc•1w ago
Seems like the post you're replying to has since been edited to clarify that he's referring to the wrappers that rely on third party AI APIs over the internet rather than running locally.
amelius•1w ago
> Multi-Provider Support: Choose between OpenAI (GPT-5-mini, GPT-4o) or Google Gemini for scene analysis

This is the first sentence in your features section, so it is not strange if users don't understand if this tool is running locally or not.

divyaprakash•1w ago
Fair point. I used SOTA models for the analysis to prioritize quality, but since the heavy media processing is local, API costs stay negligible (or free). The architecture is modular, though—you can definitely swap in a local LLM for a fully air-gapped setup.
pelasaco•1w ago
You were tired of "AI tools", then you vibe-coded an AI tool to deal with that? Not sure if i get it why it deserves to be on "Show HN"
ithkuil•1w ago
The sentence continued with "that were just wrappers ...".
HeartofCPU•1w ago
It looks like it’s written by a LLM
divyaprakash•1w ago
Guilty as charged. I used Antigravity to handle the refactoring and docs so I could stay focused on the CUDA and VRAM orchestration.
wasmainiac•1w ago
This isn’t a job interview, drop the corpo speak. What’s going on with Cuda and vram? We are all friends here.
divyaprakash•1w ago
Haha fair enough.The actual internals are basically just one big fight with VRAM. I'm using decord to dump frames straight into GPU memory so the CPU doesn't bottleneck the pipeline. From there, everything—scene detection, hsv transforms, action scoring—is vectorized in torch (mostly fp16 to avoid ooming). I also had to chunk the audio stft/flux math because long files were just eating the card alive. The tts model stays cached as a singleton so it's snappy after the first run, and I'm manually tracking 'Allocated vs Reserved' memory to keep it from choking. Still plenty of refinement left on the roadmap, but it's a fun weekend project to mess around with.
wasmainiac•1w ago
Nice! Thanks :) what is ooming?
shaugen•1w ago
Out Of Memory-ing.
myky22•1w ago
Wow, great job.

I did smth similar 4 years ago with YOLO ultralytics.

Back then I used chat messsges spike as one of several variables to detect highs and fails moments. It needed a lot a human validation but was so fun.

Keep going

divyaprakash•1w ago
Great idea. Integrating YOLO for 'Action Following' is high on the roadmap—I'd love a PR for that if you're interested!
Huston1992•1w ago
big fan of the 'respects my hardware' philosophy. i feel like 90% of ai tools right now are just expensive middleware for openai, so seeing something that actually leverages local compute (and doesn't leak data) is refreshing
mpaepper•1w ago
How much memory do you need locally? Is a rtx 3090 with 24gb enough?
divyaprakash•1w ago
Yes, more than enough. I have rtx4080 laptop gpu with 12gb vram.
8organicbits•1w ago
What's the intended use case for this? It seems like you'd create slop videos for social media. I'd love to see more AI use cases that aren't: uninteresting content people would prefer to avoid.
divyaprakash•1w ago
It’s actually designed for your own gameplay—it scans hours long raw session to find the best highlights and clips them into shorts. It's more about automating the tedious editing process for your own content rather than generating "slop" from scratch.
simianparrot•1w ago
Automating editing is by definition making it slop.
8organicbits•1w ago
Personal consumption is an interesting angle. I'm starting to think AI content is only desirable to the creator, but no one else wants to see the slop.
ares623•1w ago
It’s like dreams.
wasmainiac•1w ago
This does not seem local first. Misleading.

Regardless, we need more tools like this to speed social media towards death.

divyaprakash•1w ago
If social is heading that way, at least my tool saves you the manual labor of editing the funeral.
wasmainiac•1w ago
Huh?
divyaprakash•1w ago
I was just joking about your comment on social media's 'death
techjamie•1w ago
I watched a video[1] recently that posited the idea of AI slop farms making large, auto-moderated spaces impossible to find meaningful human content in. With the idea that it'll lead to a renaissance for smaller, more personal websites like forums or other niche places to flourish.

I think that sounds a little too convenient and idealistic to be what really happens, but I did find the concept to be a potential positive to what's happening around it. Facebook is already a good portion of the way there, being stuffed with bots consuming stolen or AI content from other bots, with confused elderly people in the middle.

[1] https://youtu.be/_QlsGkDvVHU