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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-...
10•mbitsnbites•3d 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
34•momciloo•4h ago•5 comments

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

https://github.com/sandys/kappal
36•sandGorgon•2d ago•16 comments

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

https://github.com/valdanylchuk/breezydemo
291•isitcontent•1d ago•38 comments

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

https://palettepoint.com
2•latentio•1h ago•0 comments

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

https://eljojo.github.io/rememory/
359•eljojo•1d ago•216 comments

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

https://vecti.com
372•vecti•1d ago•170 comments

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

https://docs.smooth.sh/cli/overview
96•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: 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•3h ago•1 comments

Show HN: Stacky – certain block game clone

https://www.susmel.com/stacky/
3•Keyframe•4h ago•0 comments

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

https://vire-lang.web.app
3•xeouz•5h ago•1 comments

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

https://github.com/artifact-keeper
155•bsgeraci•1d ago•64 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
54•nwparker•2d ago•12 comments

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

https://github.com/Anipaleja/nginx-defender
3•anipaleja•6h ago•0 comments

Show HN: ARM64 Android Dev Kit

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

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

https://github.com/rivet-dev/sandbox-agent/tree/main/gigacode
22•NathanFlurry•1d ago•10 comments

Show HN: MCP App to play backgammon with your LLM

https://github.com/sam-mfb/backgammon-mcp
3•sam256•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: 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
7•sakanakana00•9h ago•1 comments

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

https://divvyai.app/
3•pieterdy•9h ago•1 comments

Show HN: Horizons – OSS agent execution engine

https://github.com/synth-laboratories/Horizons
27•JoshPurtell•1d 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: Slop News – HN front page now, but it's all slop

https://dosaygo-studio.github.io/hn-front-page-2035/slop-news
22•keepamovin•15h ago•6 comments

Show HN: I Hacked My Family's Meal Planning with an App

https://mealjar.app
2•melvinzammit•12h ago•0 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: Which chef knife steels are good? Data from 540 Reddit tread

https://new.knife.day/blog/reddit-steel-sentiment-analysis
2•p-s-v•5h ago•0 comments

Show HN: I built a free UCP checker – see if AI agents can find your store

https://ucphub.ai/ucp-store-check/
2•vladeta•12h ago•2 comments

Show HN: Local task classifier and dispatcher on RTX 3080

https://github.com/resilientworkflowsentinel/resilient-workflow-sentinel
25•Shubham_Amb•1d ago•2 comments
Open in hackernews

Show HN: I built a Free "Masterclass" from YouTube clips

https://opencademy.com/
6•longerpath•3mo ago
The idea: what if you could get a “Masterclass”-style experience, but free, using existing YouTube content?

So I made OpenCademy — right now it only has two quick startup "courses" (101 & 102), built from curated YouTube clips, all embedded and organized into modules.

It’s still early (no accounts, no backend), but it’s bingeable.

Would love thoughts on whether this concept feels useful or just... redundant.

Comments

HardwareLust•3mo ago
Who curated the clips, and what was the criteria used for choosing them?
longerpath•3mo ago
I curated the clips (but didn't create them).

Criteria was: is the person a successful startup founder? And does the clip contain practical advice?

HardwareLust•3mo ago
That's kinda what I had assumed, just wanted to make sure you weren't using AI or something like number of views
longerpath•3mo ago
AI might have been a disaster here, I think.

I agonized for a long time about which clips should go in vs. which should be left out.

But it's subjective. For example, if I want to add a basic cooking course - who should I choose to be the authority on cutting vegetables? Ideally, I'd want a professional in that domain to do the curation.

Tactical45•3mo ago
Just saw a few of the clips from 101 and think you've curated pretty good content here. Even beyond initial learning, I like to revisit good content / lessons every now and then.

Any plans to add other subjects?

longerpath•3mo ago
Hey thanks for checking it out!

I will add more subjects in the future, hopefully based on feedback - would you like to see more Business courses or more fun/creative ones (e.g. Home Cooking 101)?

Tactical45•3mo ago
I could see creative being fun, but if I had to upvote another area it would be health (nutrition, sleep, diet, etcl