Show HN: Altstack.jp, like European-alternatives.eu, for Japan https://bit.ly/4kAajYQ

Show HN: Altstack.jp, like European-alternatives.eu, for Japan Hi HN! I'm building AltStack.jp to help people discover Japanese alternatives to popular international tech services (cloud hosting, VPS, email providers, etc.), with an eye on compliance with Japan's privacy laws (APPI). It's inspired by european-alternatives.eu, but focused entirely on Japan. There are still only four categories, no search, so it's still very much a work in progress! I'd love feedback, suggestions, or feature ideas! Thanks. https://bit.ly/4dUThlv June 10, 2025 at 03:02AM

Show HN: I am making an app to rival "Everything" https://bit.ly/43UXVvq

Show HN: I am making an app to rival "Everything" Hello folks, Generally, I never had problems locating, or quick accessing my files using "Everything". It’s fast and does the job well, no complains there. So… why build something else? Because I have some minor complains that have inspired me to work on my own custom replacement to it. And because I just want to make a great project to have on my resume . Here are some limitations I ran into: The app fails when I want to locate a file from another drive that I share between PCs and doesn't use the NTFS file format. Another thing it could do better is to feel a bit more system intergraded. Windows treat it like a separate window, like all the others, and Alt + Tabbing through multiple windows, or giving it administrator privileges every time you open it can cause a small chaos and frustration. It also looks kind of outdated. Doesn't have an easy and quick way to list the most frequently or recently used files. Doesn't provide security for sensitive files by locking them behind a password. If these issues bother you as well, keep reading. I have made a basic version of my app that is ready for real world use. It does not yet include all the fixes to the issues that I specified earlier, but it's a solid start and free of charge of course. It is called "Da Deep Search". I will walk you through the most important features that "Da Deep Search" has OR will support in the future over "Everything", since this is a project that I have been working on for only ~3 months. Current features the app has over everything: 1) More flexible. The app has the ability to scan drives that don't use the standard Windows file system (NTFS). This means that it is compatible with nearly every type of external drives and USB drives out of the box, especially if you share them between devices with different OSes that don't support or it's not preferred to use NTFS. 2) Better system integration. The app's UI is more modern, it blends with the Windows OP better and the way it's accessed gives it the illusion of being integrated into Windows itself, rather than feel like a separate application. Also, it does not require annoying administrator privileges to run or perform an action. Current tradeoffs: 1)Currently Da Deep Search is not as lighting fast as Everything, though still pretty fast. But don't worry, I am currently working over a solution that will make it as fast while keeping the flexibility and compatibility! Future features (that I am currently working): 1) Lighting fast file search. 2) Local file sharing. This will allow for encrypted file transfers over the local network. 3) File encryption. This will allow the app to make files or entire directories in-accessible by altering the file bytes and essentially locking them behind a password. My goal is to create a versatile tool that combines fast, flexible file search with secure file transmission and encryption — an all-around solution for everyday file needs. It WILL take time and I need your help to reach this goal by sticking around and providing solid feedback through the website! https://bit.ly/4kXULh1 June 10, 2025 at 02:24AM

Show HN: MuJS Running on TempleOS https://bit.ly/3ZXFQLI

Show HN: MuJS Running on TempleOS https://bit.ly/4kYZK1d June 10, 2025 at 01:29AM

Show HN: An open-source rhythm dungeon crawler in 16 x 9 pixels https://bit.ly/45iKcko

Show HN: An open-source rhythm dungeon crawler in 16 x 9 pixels I just released my latest Godot project, a rhythm-based dungeon crawler a la Crypt of the Necrodancer. The entire game plays out in 16 x 9 pixels because of a dare from my game dev group. I've open-sourced (MIT) the code and project files. Of course, the music files I don't own aren't included in the Github project, but I'm releasing the game's hand-crafted pixel sprites under CC0. The Github page also talks about some of the tricks you need to make the rhythm part of the game play nice with the dungeon crawling part. https://bit.ly/4kzCWW5 June 6, 2025 at 11:20AM

Show HN: I made CSS-only glitch effect https://bit.ly/4dZWbWo

Show HN: I made CSS-only glitch effect https://bit.ly/4e3mLOk June 9, 2025 at 07:31AM

Show HN: SelfDB – Ditch Supabase and Firebase Lock-In, Self-Host Simply https://bit.ly/4jIbYdx

Show HN: SelfDB – Ditch Supabase and Firebase Lock-In, Self-Host Simply Hey HN! We're a small team of developers who, like many of you, love the power and convenience of Backend-as-a-Service (BaaS) platforms. However, we've also felt the sting of vendor lock-in, wrestled with the complexities of self-hosting feature-rich open-source alternatives, and worried about unpredictable costs or the sudden disappearance of free tiers that many indie devs and small projects rely on. We believe developers deserve more control and simplicity without sacrificing functionality. After countless hours spent navigating these challenges, we decided to build the solution we wished existed. So, we built SelfDB: a self-hosted, open-source alternative to platforms like Supabase or Firebase. SelfDB provides a PostgreSQL database, secure JWT-based authentication (with anonymous access capabilities), integrated object storage, WebSocket-based real-time updates, and serverless cloud functions powered by Deno 2.0 – all packaged into a single, easy-to-deploy containerized platform. Our goal is to give you the comprehensive features you expect from a modern BaaS, but with the freedom and control that comes from truly owning your backend stack. Here’s what SelfDB offers: Full PostgreSQL Power: Your data, your schema, no compromises. Direct SQL access when you need it. Robust Authentication: Secure user management with JWT tokens and flexible anonymous access. Integrated Object Storage: A dedicated SelfDB Storage Service for your files and media. Real-time Updates: Keep your applications in sync effortlessly using WebSockets. Modern Cloud Functions: Write custom serverless logic with Deno 2.0, benefiting from its security-first approach and native TypeScript support. Dead-Simple Deployment: This is where we really focused. Forget wrestling with a dozen different containers for a self-hosted BaaS. With SelfDB, you just need to unzip , configure your .env file, and run ./start.sh. That’s it. Truly Open & Yours: Your SelfDB purchase includes full access to our source code, empowering you to redeploy the software as often as you need. While resale is not permitted, you have the freedom to modify the code to perfectly fit your requirements. Your purchase also grants you access to our exclusive customer portal. Here, you'll receive continuous, free updates and can connect with the vibrant SelfDB community to network, report bugs, and provide valuable feedback. Production-Ready: We've architected SelfDB with security, logging, and monitoring considerations from the outset, so you can build with confidence. Under the hood, SelfDB leverages a FastAPI backend, known for its high performance and developer-friendly features , ensuring a responsive API. The cloud functions run in a Deno 2.0 environment, offering a modern and secure way to extend your backend. The entire platform is containerized using Docker and Docker Compose, with persistent data managed through Docker named volumes. You can get up and running locally with just a few commands: Full details, including the architecture diagram, are in zip you get when you buy Selfdb. To celebrate our launch and thank the early adopters in the HN community, we're offering. This is a great way to try out the extended features while supporting the project. You can find more details and grab the offer at : https://bit.ly/3SDpzI2 We're incredibly excited to share SelfDB with you today! SelfDB is new, and your feedback is invaluable to us. What are your biggest BaaS pain points? What features would you love to see in a self-hosted platform like SelfDB? We'll be here in the comments all day to answer your questions and hear your thoughts. Thanks for checking out SelfDB! https://bit.ly/3SDpzI2 June 9, 2025 at 09:13AM

Show HN: FlowHawk – ultra fast eBPF network security monitor with ML https://bit.ly/4jFyLqc

Show HN: FlowHawk – ultra fast eBPF network security monitor with ML I built FlowHawk, a high-performance network security monitor that uses eBPF/XDP to analyze packets in real-time and detect threats like DDoS attacks, port scans, and botnet activity. It’s written in Go and C is used for the eBPF program. Includes ML anomaly detection and a real-time dashboard. Currently over 80% test coverage and I would love your feedback and contributions! https://bit.ly/43Su0DS June 9, 2025 at 07:22AM

Show HN: Astro Pinball https://bit.ly/4kZXqXH

Show HN: Astro Pinball I ported a classic windows game to iOS, this time with Game Center leaderboards and a brand new portrait mode! 100% free, no ads! https://apple.co/3Zpo4B4 June 9, 2025 at 12:15AM

Show HN: Small tool to query XML data using XPath https://bit.ly/3ZhGzr6

Show HN: Small tool to query XML data using XPath https://bit.ly/3ZhWsxF June 7, 2025 at 09:53PM

Show HN: AI that extracts brand identity from websites to generate ads https://bit.ly/43A5711

Show HN: AI that extracts brand identity from websites to generate ads I built this because I kept procrastinating on creating ads for my projects. The technical challenge was interesting: how do you teach AI to extract "brand identity" from a website? Turns out websites are messy. Finding the actual logo vs random images, identifying brand colors vs generic link colors, understanding brand voice from homepage copy. The solution: Custom vision models + CSS parsing + GPT-4 for voice analysis. You paste a URL, it extracts brand elements, generates platform-specific ads. Not trying to "disrupt advertising" or anything dramatic. Just solving the specific problem of "I need a Facebook ad but Canva makes me want to cry." Built with Next.js, custom image processing pipeline, OpenAI API. The brand extraction accuracy is around 85% for well-structured sites, lower for sites that are... creative with their CSS. Happy to discuss the technical approach or share code snippets if anyone's curious about the brand extraction pipeline. https://bit.ly/43PUztv https://bit.ly/45KiOf6 June 8, 2025 at 06:15AM

Show HN: Televyze, Your IPTV OS https://bit.ly/457RXtf

Show HN: Televyze, Your IPTV OS https://bit.ly/4kZ3joe June 6, 2025 at 10:53PM

Show HN: SQLAlchemy just the core – a better way https://bit.ly/3Tcj1jH

Show HN: SQLAlchemy just the core – a better way For people who prefer to avoid ORM magic, this library defines a factory class that helps declare tables for SQLAlchemy core in a better way, so that the benefits of linting and editing tools can be utilised and a better syntax can be used for the queries. https://bit.ly/44dex1F June 7, 2025 at 12:50AM

Show HN: Explainr – Upload a research paper and get a learning roadmap https://bit.ly/43uBCh1

Show HN: Explainr – Upload a research paper and get a learning roadmap I built Explainr ( https://bit.ly/45dt4fS ) to help people understand research papers. You upload a PDF, and it extracts key topics, their prerequisites, and gives you a learning roadmap. I’d love feedback on: Usefulness of the roadmap Accuracy of topic extraction Any UI/UX issues Note: You get 20 free credits (1 credit per document). Billing isn’t fully functional yet, and the API might throttle under load. But it works reliably for individual use. I'm at a point where I might move away from the project, but I wanted to ship it and learn what could be improved. Appreciate any feedback! https://bit.ly/45dt4fS June 5, 2025 at 11:37PM

Show HN: Clarity – A Dashboard for Scrum Teams (Early Access) https://bit.ly/3T7grLR

Show HN: Clarity – A Dashboard for Scrum Teams (Early Access) Hey HN, we just launched the first version of Clarity: https://bit.ly/3FHb3fm It’s a lightweight dashboard for Scrum Masters and Product Owners – giving you instant insights into team health, ticket quality, velocity and more. We built this after getting great feedback on a prototype during the Hack'n'Scrum alpha release. Now we're releasing it as a standalone tool – no setup, no integrations needed to get started. Jira integration optional. AI-powered insights included. Looking for feedback from agile teams, dev leads, PMs – or just curious minds. Would love to hear your thoughts on clarity, usability, and what's missing. Thanks in advance Simon & JP https://bit.ly/3FHb3fm June 5, 2025 at 06:16AM

Show HN: I made a 3D SVG Renderer that projects textures without rasterization https://bit.ly/4dYkYdd

Show HN: I made a 3D SVG Renderer that projects textures without rasterization https://bit.ly/4jygbQQ June 5, 2025 at 03:05AM

Show HN: Triage.flow – Chat with Any GitHub Repo Using Faiss and LlamaIndex https://bit.ly/43vAc5Z

Show HN: Triage.flow – Chat with Any GitHub Repo Using Faiss and LlamaIndex A few weeks ago I got rejected from a role and the feedback was that I needed a deeper understanding of FAISS and LlamaIndex. So I built triage.flow — an AI assistant that lets you explore and understand GitHub repositories through a chat interface. It clones a repo, indexes it using FAISS + BM25 + tree-sitter parsing, and powers a full UI where you can: - Ask natural-language questions like “how does auth work?” or “explain @src/components/Modal.tsx” - Mention specific files/folders with @filename.ts (autocomplete supported) - See how the agent thinks in real time (Thought → Action → Observation) - View retrieved code side-by-side with the chat It uses a hybrid RAG system, ReAct-style agent reasoning, and streaming responses — built with FastAPI, LlamaIndex, and React. GitHub: https://bit.ly/443q8RG Would love feedback or thoughts from anyone building similar tools. (Also exploring new opportunities — open to roles around LLM infra, RAG, or applied ML.) https://bit.ly/443q8RG June 4, 2025 at 11:48PM

Show HN: Workflows for getting Nvidia drivers working on Linux https://bit.ly/4dOrlQl

Show HN: Workflows for getting Nvidia drivers working on Linux https://bit.ly/43GngZH June 4, 2025 at 09:30PM

Show HN: CrowdRender – collaborative rendering plugin for Blender https://bit.ly/3FLkri1

Show HN: CrowdRender – collaborative rendering plugin for Blender CrowdRender is an alternative to render farms and render farm software (like deadline). Our software is licensed under the GPL V3, and primarily supports Blender's render pipeline, it supports Windows, MacOS and linux. The goal of the addon is to provide a simple, single install package that turns a laptop, desktop, workstation or server into a worker that can collaboratively render an animation or single image. We aim to make this as simple as possible so the plugin can be used by a single freelancer, without a deep knowledge of networking, right up to a technical director/software dev working at a large studio. https://bit.ly/4jJfEvK June 4, 2025 at 01:08AM

Show HN: LLMFeeder – Browser extension to extract clean content for LLM context https://bit.ly/43XDTRT

Show HN: LLMFeeder – Browser extension to extract clean content for LLM context I built this browser extension to solve a daily frustration: copying documentation from websites to feed into AI coding assistants like Cursor, Windsurf, or ChatGPT, only to get a mess of ads, popups, and navigation junk mixed in with the actual content. LLMFeeder uses Mozilla's Readability.js (same tech as Firefox Reader Mode) to extract just the main article content, converts it to clean markdown with Turndown.js, and copies it to your clipboard with a single keyboard shortcut (Alt+Shift+M or ⌥ ⇧ M). No clicking through popups, no selecting around ads, no fighting with modern web clutter. # Key features: • One-key extraction and markdown conversion • Works on Chrome and Firefox • Completely local processing (no data sent anywhere) • Configurable content scope and formatting options • Open source with clean, documented code The workflow is simple: hit the shortcut on any documentation page, switch back to your editor, paste clean markdown context, get better LLM responses. It's solving a real problem I have dozens of times per day, and early users seem to find it useful too. Available on both browser stores and GitHub for manual installation. # Links: • Demo: https://www.youtube.com/watch?v=JxHWqszlZDw • GitHub: https://bit.ly/4413k5a • Chrome: https://bit.ly/43rpj53... • Firefox: https://mzl.la/3SxpwgX Would love feedback from fellow developers who deal with this same workflow friction. What other pain points do you have when feeding content to LLMs? https://bit.ly/4413k5a June 3, 2025 at 10:43PM

Show HN: Gradle plugin for faster Java compiles https://bit.ly/447WBFF

Show HN: Gradle plugin for faster Java compiles Hey HN, We've written a pretty cool Gradle plugin I wanted to share. It turns out if you native-image the Java and Kotlin compilers, you can experience a serious gain, especially for "smaller" projects (under 10,000 classes). By compiling the compiler with native image, JIT warmup normally experienced by Gradle/Maven et al is skipped. Startup time is extremely fast, since native image seals the heap into the binary itself. The native version of javac produces identical outputs from inputs. It's the same exact code, just AOT-compiled, translated to machine code, and pre-optimized by GraalVM. Of course, native image isn't optimal in all cases. Warm JIT still outperforms NI, but I think most projects never hit fully warmed JIT through Gradle or Maven, because the VM running the compiler so rarely survives for long enough. Elide (the tool used by this plugin) also supports fetching Maven dependencies. When active, it prepares a local m2 root where Gradle can find your dependencies already on-disk when it needs them. Preliminary benchmarking shows a 100x+ gain since lockfiles prevent needless re-resolution and native-imaging the resolver results in a similar gain to the compiler. We (the authors) are very much open to feedback in improving this Gradle plugin or the underlying toolchain. Please, let us know what you think! https://bit.ly/3ZQz9er June 3, 2025 at 08:59PM