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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-...
25•mbitsnbites•3d ago•1 comments

Show HN: Browser based state machine simulator and visualizer

https://svylabs.github.io/smac-viz/
7•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•48m ago•1 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
45•momciloo•6h ago•9 comments

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

https://github.com/sandys/kappal
44•sandGorgon•2d ago•17 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: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
362•eljojo•1d ago•217 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: 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: 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•5h ago•1 comments

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

https://github.com/artifact-keeper
155•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: Stacky – certain block game clone

https://www.susmel.com/stacky/
3•Keyframe•6h 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•8h 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•10h 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•11h ago•2 comments

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

https://divvyai.app/
3•pieterdy•11h 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: 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: 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

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

https://mealjar.app
2•melvinzammit•13h ago•0 comments
Open in hackernews

Show HN: 18yo first iOS app: blocks distracting apps and unlocks with QR/barcode

https://apps.apple.com/us/app/recode-screen-time-control/id6752352978
30•alhart•3mo ago
I built Recode because I realized I was spending 8-10 hours a day on my phone pretty consistently. I tried other screen time apps but I found them too easy to bypass and end my blocks whenever I wanted to use an app.

My solution was to build an app blocker app that makes users have to scan a physical QR/barcode to take a break from their app blocks. This helped me be able to get my screen time down to just a few hours everyday since I didn't want to physically get up and go across the house to get my barcode.

Anyways, since it worked for me I felt like sharing it.

App store link: https://apps.apple.com/us/app/recode-screen-time-control/id6...

Comments

ubanholzer•3mo ago
Great idea!
Our_Benefactors•3mo ago
What is the failsafe if mom donates that book (you no longer have access to that barcode)? Are you locked out of TikTok forever? It might be good to cover this in the description somewhere.
travbrack•3mo ago
You can just uninstall the app
frereubu•3mo ago
If true, this seems like a serious problem for something that's supposed to stop circumvention. Uninstalling an app is trivial on iOS, even easier than unlocking Screen Time.

If not - e.g. if you have to scan the barcode / QR code to uninstall the app (a block that I don't think Apple would allow) - then presumably you'd need to reinstall iOS from scratch.

pacifika•3mo ago
Its about friction, not security.
travbrack•3mo ago
You nailed why Apple chose to let people uninstall - that would be crazy if you could soft brick your phone.
ghiculescu•3mo ago
I like the QR code idea a lot more than the physical devices you can buy for this. Cool concept.

Did Apple recently make an API for app blocking or something? There seems to have been an explosion in apps for this over the last few years.

wojtek1942•3mo ago
The API was released in 2020. It amazes me how many of these kinds of apps are successful simultaneously, while doing nearly the exact same thing.

https://developer.apple.com/documentation/screentime

awaseem•3mo ago
Partly might be my fault. Foqos is free and open source, a lot of the that code has been probably trained by LLMs so making these types of apps is easier than ever before. Just a guess though
huflungdung•3mo ago
Can we remove the 18yo from the title. It is completely unnecessary.
dudewhocodes•3mo ago
Very nice! I've found that the default iOS screen time feature is easily skippable. Barcode scanning is an interesting real-world "lock".
parallax_error•3mo ago
Reminds me of Foqos, which is definitely one of my favourite apps
painted•3mo ago
and it's free, with more features too
awaseem•3mo ago
Wonder how much of this is Foqos code that I made which is open source and free