Show HN: PunchCard Key Backup by ciprian_craciun

This small project — available live at https://volution.ro/pckb (or https://purl.org/999 for long term permanence) — allows one to take any 128 bits of information, and easily create (and especially easily recover) a backup of it into a physical medium, by using the old and tried method of punched cards (hence the project’s name). For example

ByHackTech26 minutes ago11Comments

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Show HN: AI Peer Reviewer – Multiagent System for Scientific Manuscript Analysis by rjakob

Cloud Version Available: A cloud version of the AI Reviewer is available at https://www.rigorous.company/. Simply upload your manuscript, provide context on target journal and review focus, and receive a comprehensive PDF report via email within 1-2 working days. We’ll provide feedback free of charge — however, we would greatly appreciate your feedback in return via

ByHackTech2 hours ago17Comments

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Show HN: Icepi Zero – The FPGA Raspberry Pi Zero Equivalent by Cyao

Icepi Zero is an economical FPGA development board with a Raspberry Pi Zero form factor. It carries a Lattice ECP5 25F, enabling powerful designs while keeping a small portable size. It also has a HDM- port allowing easy digital video output. View PCB online Currently most powerful FPGA boards on the market are expensive and

ByHackTech21 hours ago11Comments

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Show HN: W++ – A Python-style scripting language for .NET with NuGet support by sinisterMage

At least we’re better than Visual Basic. W++ is a fun, experimental, and completely over-engineered programming language designed for learning, chaos, and memes. It includes async lambdas, pseudo-OOPSIE principles (Object-Oriented Programming Sometimes Isn’t Excellent), and full integration with a custom-built VSCode extension. This repo contains the full source code of W++ after it reached over

ByHackTech23 hours ago13Comments

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Show HN: Donut Browser, a Browser Orchestrator by andrewzeno

Create as many local browser profiles as you need. Each profile is completely isolated with its own settings, extensions, and data. Built-in proxy support for all browsers except TOR Browser. Downl

ByHackTech1 day ago16Comments

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Show HN: Every problem and solution in Beyond Cracking the Coding Interview by leeny

Hey HN, I’m Aline, founder of interviewing.io and one of the authors of Beyond Cracking the Coding Interview (the official sequel to CTCI).We just compiled every problem (and solution) in the book and made them available for free. There are ~230 problems in total. Some of them are classics like n-queens, but almost all are

ByHackTech1 day ago16Comments

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Show HN: MCP Server SDK in Bash by muthuishere

A lightweight, zero-overhead implementation of the Model Context Protocol (MCP) server in pure Bash. Why? Most MCP servers are just API wrappers with schema conversion. This implementation provides a zero-overhead alternative to Node.js, Python, or other heavy runtimes. ✅ Full JSON-RPC 2.0 protocol over stdio ✅ Complete MCP protocol implementation ✅ Dynamic tool discovery via

ByHackTech1 day ago13Comments

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Show HN: Onlook – Open-source, visual-first Cursor for designers by hoakiet98

Craft websites, prototypes, and designs with AI in Next.js + TailwindCSS. Make edits directly in the browser DOM with a visual editor. Design in realtime with code. An open-source alternative to Bolt.new, Lovable, V0, Replit Agent, Figma Make, Webflow, etc. 🚧 🚧 🚧 Onlook for Web is still under development 🚧 🚧 🚧 We’re actively

ByHackTech2 days ago30Comments

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Show HN: I made a Zero-config tool to visualize your code by lezhu

Learn Faster, Code Smarter – A

ByHackTech2 days ago14Comments

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Show HN: I wrote a modern Command Line Handbook by petr25102018

The command line is for everyone Software developers, sysadmins, tech workers, and regular Linux/macOS users all use the modern Unix/Linux command-line shells to get things done. What about you? You don’t have to read the entire shell manual You don’t have to read the entire shell manual or study bulky Linux bibles to get going.

ByHackTech2 days ago14Comments

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