Show HN: Wave – Layered gradient wave backgrounds using Three.js and shaders https://ift.tt/FzLVgus
Show HN: Wave – Layered gradient wave backgrounds using Three.js and shaders 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://ift.tt/URIBFNr... Enjoy! https://ift.tt/R7sl0MJ September 25, 2026 at 02:34AM
Show HN: Tlx – E2E chat over SSH under 500 lines of code https://ift.tt/eRwZcaN
Show HN: Tlx – E2E chat over SSH under 500 lines of code This is a reference implementation of encrypted chats for small trusted groups. It runs SSH server in a container that acts as a mailbox for opaque encrypted blobs (145 lines of code). SSH keys serve as an identity. Then a local demon syncs and decrypts these blobs into SQLite database (321 lines of code). I wanted to make crypto as simple as possible and have only widely used and well audited components. Relay server and sync demon are implemented in standard Python without any extra dependencies. I've chosen Python as it ships with SQLite client in standard library. Could have used go/rust, but wanted to keep reference implementation as simple as possible with minimal dependencies. https://ift.tt/MB4EnHq September 25, 2026 at 01:09AM
Show HN: Agentic CUDA Kernel Optimizer https://ift.tt/i3fLW7I
Show HN: Agentic CUDA Kernel Optimizer Hello; I was working on optimizing some CUDA kernels and I thought may be it is a good oppurtunity learn langgraph as well. I created a simple C++ CUDA Test Harness and handed that to AI agents. They can run kernels, get benchmarks, and even can profile via nsight https://ift.tt/z2ShY9q September 25, 2026 at 12:32AM
Show HN: Clue Me – Describe the word you're given, Jev tries to guess it https://ift.tt/v9dYkZq
Show HN: Clue Me – Describe the word you're given, Jev tries to guess it https://ift.tt/1IHcBXq September 24, 2026 at 03:01AM
Show HN: Minienv – remote mini environments generated from Docker Compose config https://ift.tt/zn7JoAp
Show HN: Minienv – remote mini environments generated from Docker Compose config https://ift.tt/gIrmd5M September 24, 2026 at 02:45AM
Show HN: CubeLV – AI that designs your automation before building it https://ift.tt/sT3mt19
Show HN: CubeLV – AI that designs your automation before building it https://app.cubelv.com September 23, 2026 at 09:39PM
Show HN: Jevper – the Jev interface on top of any OpenAI-compatible model https://ift.tt/2bgyuHe
Show HN: Jevper – the Jev interface on top of any OpenAI-compatible model jevper is the Jev interface pointed at whatever model you already have. https://ift.tt/bKgyRLZ September 23, 2026 at 02:25AM
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