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Show HN: Wave – Layered gradient wave backgrounds using Three.js and shaders

https://wave.subworkflow.ai/
4•jimle_uk•1h ago
Hello! I built this static tool to generate wavy backgrounds for posts, socials and landing pages and decided to share it for free for anyone looking for the same.

This tool uses three.js/canvas rather than svg: a full-screen quad and a fragment shader which makes for soft shadows, smoother blurs and glass effects. Hit the randomize button to get a good shape + colour combination, optionally tweak using the vector tool, save designs to local storage and export to image or video.

What's the point? I started out thinking this would be something "easy" and that I could build in about an hour but turns out it does take a bit more effort to make it "look good". You can use the backgrounds for content or an over-engineered colour picker or just chill with it in fullscreen mode.

Screenshot: https://cdn.subworkflow.ai/marketing/wave-by-subworkflow-scr...

Enjoy!

Show HN: Make cursed fonts like Times New Bastard

https://bastardica.mitpit.com
764•MitPitt•1d ago•102 comments

Show HN: Whiteboard (YC W26) – An open-source IDE for thoughtful software design

https://github.com/devdotfast/whiteboard
343•sidharthkmenon•20h ago•123 comments

Show HN: Agentic CUDA Kernel Optimizer

https://github.com/bertaye/agentic-cuda-optimizer
23•bertaye•3h ago•2 comments

Show HN: Hard Stop: Kernel-level preemption for autonomous AI agents

https://arxiv.org/abs/2609.29808
2•joseluispino•46m ago•0 comments

Show HN: Wave – Layered gradient wave backgrounds using Three.js and shaders

https://wave.subworkflow.ai/
4•jimle_uk•1h ago•0 comments

Show HN: Hamilton – a no-internet Android health dashboard, named after my dog

https://play.google.com/store/apps/details?id=com.gads.hamilton&hl=en_US
4•hamilton_app•58m ago•6 comments

Show HN: Air-gapped file encryption as self-decrypting HTML page

https://cms-sfx-demo.apeleg.com/
76•emurlin•1d ago•29 comments

Show HN: Tlx – E2E chat over SSH under 500 lines of code

https://github.com/achempion/tlx
3•achempion•2h ago•7 comments

Show HN: Koi.rest – watch some fish and regain your balance

https://koi.rest
197•hxii•16h ago•57 comments

Show HN: AgentRun: DSL to turn agents into workflows

https://github.com/Parcha-ai/agentrun
44•miguelrios•1d ago•10 comments

Show HN: Treepeat – Code similarity detection using Tree-sitter

https://github.com/dsummersl/treepeat
58•91awebsi•2d ago•5 comments

Show HN: Avoid smooth spinners, use low-FPS spinners

https://nh2.me/low-fps-spinners/low-fps-spinners.html
18•nh2•10h ago•13 comments

Show HN: Can an AI agent bypass a post-quantum signed authorization policy?

https://github.com/max-russo-com/MAX_AUTHORIZATION_SANDBOX
3•max-russo•5h ago•0 comments

Show HN: Most Hated Tools

https://www.mosthatedtools.app/
26•leonagano•22h ago•20 comments

Show HN: TiddlyInstall – Single HTML file that makes cross-platform installers

https://robertsdotpm.github.io/_static/tiddlyinstall.html
3•Uptrenda•6h ago•0 comments

Show HN: Reteach – AI tutor that feels human

https://www.reteach.study/
3•antariksh_verma•7h ago•1 comments

Show HN: Critic – Review code with the agent that wrote it

https://www.critic.run/
8•snyy•20h ago•4 comments

Show HN: A benchmark comparison of C++ vs. Node.js performance

https://vikky2810.github.io/blog/cpp-vs-node/
5•vikky2810•8h ago•0 comments

Show HN: Drop – A rootless Linux sandbox with gVisor support

https://droprun.sh/
188•mixedbit•2d ago•63 comments

Show HN: JevBench, a reproducible benchmark for typed decision models

https://benchmarkheaven.com/jev-models
145•florianstandhar•3d ago•37 comments

Show HN: I built a post-mortem debugger for native Windows x64/x86 crashes

https://www.forensicdbg.com
37•Loren_SL•1d ago•7 comments

Show HN: Npunlock – Run custom C kernels for Intel NPUs

https://github.com/hsfzxjy/npunlock
66•hsfzxjy•3d ago•16 comments

Show HN: Trader News – Hacker News for Finance

19•FailMore•1d ago•13 comments

Show HN: Training a model to identify AI web content from structure alone

https://arxiv.org/abs/2609.15369
69•jochenmadler•3d ago•27 comments

Show HN: An open-source manufacturing ERP/MES/QMS

https://carbon.ms/self-hosted
52•barbinbrad•1d ago•27 comments

Show HN: Miru: Zoomer Daemon for Wayland

https://blog.vaishnavs.is-a.dev/miru/
4•vaishnav110504•8h ago•0 comments

Show HN: Mini-AGI – Dynamic continual learning model trained on 8GB VRAM

https://github.com/volotat/mini-AGI/
277•volotat•4d ago•78 comments

Show HN: AI·rete·RAG – a Rete rule engine decides, RAG explains why

https://ai-rete-rag.com/
44•ZaharaHussain•2d ago•9 comments

Show HN: An atlas of system designs with interactive architecture diagrams

https://atlas-sysdes.vercel.app/
50•mertkahyaoglu•3d ago•21 comments

Show HN: PipeFitter – Quick, Browser-Based, Parametric Pipe Connectors

https://mankyd.github.io/pipefitter/
4•mankyd•16h ago•0 comments