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April 13, 2026 at 04:00 PM

[Other] Initial mainline video capture and camera support for Rockchip RK3588

Found: April 13, 2026 ID: 4132

[Other] Show HN: I built a social media management tool in 3 weeks with Claude and Codex

Found: April 13, 2026 ID: 4133

[Other] Show HN: Equirect – a Rust VR video player This is almost entirely created by Claude, not me. I know some people aren&#x27;t into that. I was one of them 3 months ago. Since the beginning of the year I finally started getting more serious about trying out AI. The company I work for also had an AI week with lots of training. All I can say is I&#x27;m pretty blown away. My entire life feels like it changed over the last month from someone who mostly writes code to mostly someone that prompts AI to write code. And just for a tiny bit of context, I&#x27;m 60yrs old and have been coding since 1980.<p>I get all the concerns, and I review all AI code at work and most AI code for personal projects. This one in particular though, not so much. I get that&#x27;s frowned on but this is a small, limited scope, personal project. Not that I didn&#x27;t pay attention, Claude did do some things in strange ways and I asked it to fix them quite often. But, conversely, I have zero rust experience, zero OpenXR experience, zero wgpu expericence, next to zero relevant Windows experience.<p>I&#x27;m guessing I spent about ~30 hours in total prompting Claude for each step. I started with &quot;make a windows app that opens a window&quot;. Then I had it add wgpu and draw hello triangles. Then I had it add OpenXR and draw those triangles in VR. That actually took it some time as it tried to figure out how to connect a wgpu texture to the surface being drawn in OpenXR. It figured it out though, far far faster than I would have. I&#x27;d have tried to find a working example or given up.<p>I then sat on that for about a month and finally got back to it this weekend and zoomed through getting Claude to make it work. The only parts I did was make some programmer art icons.<p>I can post the prompts in the repo if anyone is interested, and assming I can find them.<p>Also in the last 2 weeks I&#x27;ve resurrected an old project that bit-rot. Claude got it all up to date, and fixed a bunch of bugs, and checked off a bunch of features I&#x27;d always wanted to add. I also had Claude write 2 libraries, a zip library, an rar decompression library, as well as refactor an existing zip decompression library to use some modern features. It&#x27;s been really fun! For those I read the code much more than I did for this one. Still, &quot;what I time to be alive&quot;!

Found: April 13, 2026 ID: 4134

[CLI Tool] I ran Gemma 4 as a local model in Codex CLI

Found: April 12, 2026 ID: 4131

[Database] Show HN: T4 – a versioned datastore with branching and time-travel (S3-backed) Hi HN,<p>I built t4, a datastore that stores its WAL and snapshots in S3.<p>Instead of traditional storage, it writes append-only segments to object storage and reconstructs state from checkpoints + WAL.<p>A side effect of this model is that the database becomes naturally versioned: you can restore any past state, branch from any point (with copy-on-write) and replay history<p>I started this as an experiment to replace etcd in Kubernetes, but it’s evolving into a general-purpose versioned state store.<p>Curious what people think about it and appreciate any feedback!

Found: April 12, 2026 ID: 4130

[CLI Tool] Show HN: Claudraband – Claude Code for the Power User Hello everyone.<p>Claudraband wraps a Claude Code TUI in a controlled terminal to enable extended workflows. It uses tmux for visible controlled sessions or xterm.js for headless sessions (a little slower), but everything is mediated by an actual Claude Code TUI.<p>One example of a workflow I use now is having my current Claude Code interrogate older sessions for certain decisions it made: <a href="https:&#x2F;&#x2F;github.com&#x2F;halfwhey&#x2F;claudraband?tab=readme-ov-file#self-interrogation" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;halfwhey&#x2F;claudraband?tab=readme-ov-file#s...</a><p>This project provides:<p>- Resumable non-interactive workflows. Essentially `claude -p` with session support: `cband continue &lt;session-id&gt; &#x27;what was the result of the research?&#x27;` - HTTP server to remotely control a Claude Code session: `cband serve --port 8123` - ACP server to use with alternative frontends such as Zed or Toad (<a href="https:&#x2F;&#x2F;github.com&#x2F;batrachianai&#x2F;toad" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;batrachianai&#x2F;toad</a>): `cband acp --model haiku`. - TypeScript library so you can integrate these workflows into your own application.<p>This exists cause I was using `tmux send-keys` heavily in a lot of my Claude Code workflows, but I wanted to streamline it.

Found: April 12, 2026 ID: 4128

multica-ai/multica

GitHub Trending

[Other] The open-source managed agents platform. Turn coding agents into real teammates — assign tasks, track progress, compound skills.

Found: April 12, 2026 ID: 4127

[Other] Show HN: Git why – log your agent reasoning trace along your code I was frustrated with not being able to know why the code written by my colleague agents was in the codebase, so I build a tool to version agent trace along code in git.

Found: April 11, 2026 ID: 4124

How to build a `Git diff` driver

Hacker News (score: 23)

[Other] How to build a `Git diff` driver

Found: April 11, 2026 ID: 4121

[Other] Show HN: Docker-whisper: Self-hosted Whisper speech-to-text server (OpenAI API)

Found: April 11, 2026 ID: 4125

[Other] Advanced Mac Substitute is an API-level reimplementation of 1980s-era Mac OS

Found: April 11, 2026 ID: 4129

[CLI Tool] Show HN: Waffle – Native macOS terminal that auto-tiles sessions into a grid Hi HN. I built Waffle because I kept ending up with 15 terminal windows scattered across three spaces with no idea what was running where.<p>Splitting&#x2F;merging in iTerm kind of works but it never felt intuitive to me.<p>With that in mind, I built something to suit my workflow:<p>Waffle is a native macOS terminal (Built on Miguel de Icaza&#x27;s SwiftTerm) that tiles your sessions into an auto-scaling grid automatically. 1 session is fullscreen, 2 is side by side, 4 is 2x2, 9 is 3x3. Open a terminal, it joins the grid. Close one, the grid rebalances. No splitting, no config.<p>I&#x27;ve been using it a lot recently and one thing I&#x27;ve found really useful is that sessions detect which repo they&#x27;re in and group accordingly. Each project gets a distinct colour. Cmd+[ and Cmd+] flip between groups. If you have three repos open across eight terminals, you can filter to just one project&#x27;s sessions instantly. Also, no accidentally closing a window with CMD-W as it gives you a confirmation and requires a second CMD-W to close.<p>Honestly, if you live in tmux, this probably isn&#x27;t for you but it&#x27;s really helped to speed up my workflow.<p>Other things: It comes with a handful of themes (and has support for iTerm themes), bundled JetBrains mono, has keyboard shortcuts for everything. Free, no account, opt-in analytics only. macOS 14+.<p>There&#x27;s a demo on the landing page if you want to see it in action.

Found: April 11, 2026 ID: 4122

[Other] Show HN: I rebuilt a 2000s browser strategy game on Cloudflare's edge I grew up in Germany in the early 2000s playing a browser game called Inselkampf. You built up an island, mined gold and stone, cut down trees for wood, raised armies, sent fleets across an ocean grid, joined alliances and got betrayed by them. Same genre as OGame or Travian. It shut down in 2014 and I never found anything that replaced that feeling of checking in before school to see if your fleet had arrived and your alliance was still alive.<p>I finally built the version I wanted to play. Kampfinsel is live at kampfinsel.com right now with real players on it. It&#x27;s not a straight copy of the old game. I gave it its own world. No magic, no gunpowder – just ballistas, fire pots, and slow ships crossing huge distances. Three resources: gold, stone, wood. Travel between islands takes hours, not seconds. It&#x27;s slow on purpose.<p>The whole thing runs on Cloudflare&#x27;s edge. Workers for the game logic and API, D1 for the database, KV for sessions and caching, R2 for assets and Durable Objects for per-island state and the tick system (fleet arrivals, combat, resource generation). There&#x27;s no origin server at all. Making a stateful multiplayer game work inside Workers&#x27; CPU limits and D1&#x27;s consistency model meant some non-obvious choices: resources are calculated on-read from timestamps instead of being ticked into the database, fleet movements live in Durable Object alarms and combat writes are batched. This helped me a lot!<p>The look is intentionally rough and text-heavy (Hi HN!): server-rendered HTML, tables, a parchment color palette, Unicode icons, no frontend framework, no build step. The only JavaScript is for countdown timers and auto-refresh. I wanted it to feel the way I remember these games looking, not how they actually looked. Honestly, it looks a lot like HN itself - tables, monospace, no chrome. If you like how this site looks, you&#x27;ll probably feel at home.<p>No signup wall, no premium currency, no pay-to-win. Feedback very welcome, especially from anyone who played this kind of game back in the day or has opinions on running stateful stuff on Workers + D1 + Durable Objects. I&#x27;ll be around for the next few hours.

Found: April 11, 2026 ID: 4126

[Other] practice made claude perfect

Found: April 11, 2026 ID: 4114

[Other] A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.

Found: April 11, 2026 ID: 4113

[Other] Show HN: A WYSIWYG word processor in Python Hi all,<p>Finding a good data structure for a word processor is a difficult problem. My notebook diaries on the problem go back 25 years when I was frustrated with using Word for my diploma thesis - it was slow and unstable at that time. I ended up getting pretty hooked on the problem.<p>Right now I’m taking a professional break and decided to finally use the time to push these ideas further, and build MiniWord — a WYSIWYG word processor in Python.<p>My goal is to have a native, non-HTML-based editor that stays simple, fast, and is hackable. So far I am focusing on getting the fundamentals right. What is working yet is:<p>- Real WYSIWYG editing (no HTML layer, no embedded browser) with styles, images and tables.<p>- Clean, simple file format (human-readable, diff-friendly, git-friendly, AI-friendly)<p>- Markdown support<p>- Support for Python-plugins<p><i>Things that I found:</i><p>- B-tree structures are perfect for holding rich text data<p>- A simple text-based file format is incredibly useful — you can diff documents, version them, and even process them with AI tools quite naturally<p><i>What I’d love feedback on:</i><p>- Where do you see real use cases for something like this?<p>- What would be missing for you to take it seriously as a tool or platform?<p>- What kinds of plugins or extensions would actually be worth building?<p>Happy about any thoughts — positive or critical. Greetings

Found: April 10, 2026 ID: 4115

[Other] Show HN: FluidCAD – Parametric CAD with JavaScript Hello HN users,<p>This is a CAD by code project I have been working on on my free time for more than year now.<p>I built it with 3 goals in mind:<p>- It should be familiar to CAD designers who have used other programs. Same workflow, same terminology.<p>- Reduce the mental effort required to create models as much as possible. This is achieved by:<p><pre><code> - Provide live rendering and visual guidance as you type. - Allow the user to reference existing edges&#x2F;faces on the scene instead of having to calculate everything. - Provide interactive mouse helpers for features that are hard to write by code: Only 3 interactive modes for now: Edge trimming, Sketch region extrude, Bezier curve drawing. - Implicit coding whenever possible: e.g: There are sensible defaults for most parameters. The program will automatically fuse intersecting objects together so you do not have to worry about what object needs to be fused with what.</code></pre> - It should be reasonably fast: The scene objects are cached and only the updated objects are re-computed.<p>I think I have achieved these goals to a good extent. The program is still in early stages and there are many features I want to add, rewrite but I think it is already usable for simple models.<p>Update to add more details: This is based on Opencascade.js WASM binding. So you get all the good things that come with any brep kernel. Fillets, chamfers, step import and export...<p>The scene is webview but the editing is in your local file. You use your own editor and the environment you are familiar with.<p>One important feature that I think make this stand out among other code based cad software is the ability to transform features not just shapes. More here: <a href="https:&#x2F;&#x2F;fluidcad.io&#x2F;docs&#x2F;guides&#x2F;patterns" rel="nofollow">https:&#x2F;&#x2F;fluidcad.io&#x2F;docs&#x2F;guides&#x2F;patterns</a> You can see it in action in the lantern example: <a href="https:&#x2F;&#x2F;fluidcad.io&#x2F;docs&#x2F;tutorials&#x2F;lantern" rel="nofollow">https:&#x2F;&#x2F;fluidcad.io&#x2F;docs&#x2F;tutorials&#x2F;lantern</a>

Found: April 10, 2026 ID: 4106

[Other] JSON Formatter Chrome Plugin Now Closed and Injecting Adware

Found: April 10, 2026 ID: 4109

[Other] Show HN: I run AI background removal in the browser–no upload,no server RMBG-1.4 + SAM running client-side via ONNX Runtime WASM. ~2s on laptop, works on mobile. Your image never leaves the browser.<p>Built this as part of allplix.com. 19yo student in France, solo project.<p>Happy to talk about the WASM pipeline or the pain of running ML models in a browser tab.

Found: April 10, 2026 ID: 4117

[Other] Show HN: Eve – Managed OpenClaw for work Eve is an AI agent harness that runs in an isolated Linux sandbox (2 vCPUs, 4GB RAM, 10GB disk) with a real filesystem, headless Chromium, code execution, and connectors to 1000+ services.<p>You give it a task and it works in the background until it&#x27;s done.<p>I built this because I wanted OpenClaw without the self-hosting, pointed at actual day-to-day work. I’m thinking less personal assistant and more helpful colleague.<p>Here’s a short demo video: <a href="https:&#x2F;&#x2F;www.loom.com&#x2F;share&#x2F;00d11bdbe804478e8817710f5f53ac61" rel="nofollow">https:&#x2F;&#x2F;www.loom.com&#x2F;share&#x2F;00d11bdbe804478e8817710f5f53ac61</a><p>The main interface is a web app where you can watch work happen in real time (agents spawning, files being written, use of the CLI). There&#x27;s also an iMessage integration so you can fire a task asynchronously, put your phone down, and get a reply when it&#x27;s finished.<p>Under the hood, there&#x27;s an orchestrator (Claude Opus 4.6) that routes to the right domain-specific model for each subtask: browsing, coding, research, and media generation.<p>For complex tasks it spins up parallel sub-agents that coordinate through the shared filesystem. They have persistent memory across sessions so context compounds over time.<p>I’ve packaged it with a bunch of pre-installed skills so it can execute in a variety of job roles (sales, marketing, finance) at runtime.<p>Here are a few things Eve has helped me with in the last couple days:<p>- Edit this demo video with a voice over of Garry: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=S4oD7H3cAQ0" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=S4oD7H3cAQ0</a><p>- Do my tax returns<p>- To build HN as if it was the year 2030: <a href="https:&#x2F;&#x2F;api.eve.new&#x2F;api&#x2F;sites&#x2F;hackernews-2030&#x2F;#&#x2F;" rel="nofollow">https:&#x2F;&#x2F;api.eve.new&#x2F;api&#x2F;sites&#x2F;hackernews-2030&#x2F;#&#x2F;</a><p>AMA on the architecture and lmk your thoughts :)<p>P.S. I&#x27;ve given every new user $100 worth of credits to try it.

Found: April 10, 2026 ID: 4110
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