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Show HN: Kraa – Writing App for Everything (Monday, 29 December 2025)
Learn computer graphics from scratch and for free
Calendar
How uv got so fast
Show HN: Exploring Mathematics with Python
Go ahead, self-host Postgres
You can now play Grand Theft Auto Vice City in the browser
Prompt caching for cheaper LLM tokens
The Rise of Computer Games, Part I: Adventure
Stacked Diffs with git rebase —onto
Uncloud - Tool for deploying containerised apps across servers without k8s
How Brian Eno Created Ambient 1: Music for Airports (2019)
Making Crash Bandicoot (2011)
Ask HN: Good resources to learn financial systems engineering?
Pixel Art Tips for Programmers
Pg_lake: Postgres with Iceberg and data lake access
Forth: The programming language that writes itself
MicroPythonOS – An Android-like OS for microcontrollers
Anthropic's Prompt Engineering Tutorial (2024)
Beginner Guide to VPS Hetzner and Coolify
Safe zero-copy operations in C#
Show HN: A store that generates products from anything you type in search
iPhone dumbphone
A visual introduction to big O notation
Vibe coding tips and tricks
Writing a Rust GPU kernel driver: a brief introduction on how GPU drivers work
Ubiquiti launches UniFi OS Server for self-hosting
Show HN: I made a tool to generate photomosaics with your pictures
Turn any diagram image into an editable Draw.io file. No more redrawing
My Self-Hosting Setup
My experience with Claude Code after two weeks of adventures
Estrogen: A Trip Report
Show HN: EnrichMCP – A Python ORM for Agents
Nanonets-OCR-s – OCR model that transforms documents into structured markdown
Convert photos to Atkinson dithering
Ovld – Efficient and featureful multiple dispatch for Python
Show HN: I wrote a modern Command Line Handbook
Peer Programming with LLMs, for Senior+ Engineers
Show HN: Basecoat – shadcn/UI components, no React required
Scraperr – A Self Hosted Webscraper
Ty: A fast Python type checker and language server
VR Design Unpacked: The secret to Beat Saber's fun
Show HN: I built a synthesizer based on 3D physics
Pyrefly - A faster Python type checker written in Rust
Tiny-LLM – a course of serving LLM on Apple Silicon for systems engineers
Icônes
Advanced Python Features
Show HN: I built an AI that turns GitHub codebases into easy tutorials
Tunarr: Create and configure live TV channels from media on your servers
Apache ECharts
Show HN: Nash, I made a standalone note with single HTML file
Switching from Pyenv to Uv
macOS Tips and Tricks (2022)
Show HN: Superglue – open source API connector that writes its own code
XOR
A year of uv: pros, cons, and should you migrate
RetroFab: Playable 3D simulations of vintage electronic games
Ask HN: Do you know travel blogs that have animated SVG maps of their travels?
The Video Game History Foundation library opens in early access
Why Tracebit is written in C#
Mathesar – an intutive spreadsheet-like interface to Postgres data
We're bringing Pebble back
Building a full-text search engine in 150 lines of Python code (2021)
Ask HN: Is anyone doing anything cool with tiny language models?
Build a tiny CA for your homelab with a Raspberry Pi
Show HN: Interactive systemd – a better way to work with systemd units
Ask HN: How do you prevent the impact of social media on your children?
WordPress Is in Trouble
I created an open-source Hardware Hacking Wiki – with tutorials for beginners
Kenney.nl: Free Game Assets
Shmøergh Hog – The making of a simple analog synth
Show HN: API Parrot – Automatically Reverse Engineer HTTP APIs
The new science of controlling lucid dreams
Show HN: A simple web game to help learn chords and basic progressions
Helium: Lighter Web Automation with Python
The Theory and Technique of Electronic Music (2006)
DSPy – Programming–not prompting–LMs
Show HN: Markwhen: Markdown for Timelines
Model Context Protocol
How I ship projects at big tech companies
Delta: A syntax-highlighting pager for Git, diff, grep, and blame output
Useful built-in macOS command-line utilities
I made a game you can play without anyone knowing (no visuals/sound)
We need more zero config tools
Windows NT vs. Unix: A design comparison
Lesser known parts of Python standard library
Web scraping with GPT-4o: powerful but expensive
Show HN: If YouTube had actual channels
Public Work: a search engine for public domain images
Show HN: LLM-aided OCR – Correcting Tesseract OCR errors with LLMs
FastHTML – Modern web applications in pure Python
Piku: Allows git push deployments to your own servers
Ask HN: What is your ChatGPT customization prompt?
Reverse engineering ESP32 Wi-Fi driver: the road ahead
Show HN: Tarsier – Vision utilities for web interaction agents
Selling 'Ghost in the Shell'
Superfile – A fancy, pretty terminal file manager
ESP32 Drum Synth Machine
OpenVoice: Instant Voice Cloning
Palm OS and the devices that ran it
A Beginner's Guide to the ESP8266 (2017)
Difftastic, a structural diff tool that understands syntax
Monodraw
Airfoil
Apache Superset
PID Without a PhD (2016) [pdf]
Postgres as queue
The Ultimate Docker Cheat Sheet
Midlibrary: Library of 4000 Midjourney artistic styles
Pocketbase: Open-source back end in one file
Show HN: Rem: Remember Everything (open source)
Ask HN: What are some unpopular technologies you wish people knew more about?
Show HN: New visual language for teaching kids to code
Charm has raised $6M in funding
Embeddings: What they are and why they matter
Protomaps – A free and open source map of the world
Bill Gates demonstrates Visual Basic (1991) [video]
M5Stack Cardputer – A $30 card-sized ESP32-S3 computer with display and keyboard
Before Skynet and The Matrix, there was Colossus: The Forbin Project
Pgroll: zero-downtime, reversible schema migrations for Postgres
Ask HN: Whats the modern day equivalent of 80s computer for kids to explore?
Yazi: Fast terminal file manager based on async I/O
Kopia: Fast and secure open-source backup software
How does Linux start a process
Show HN: XRss – RSS Reader and web stack demo
Ask HN: What are your favorite iOS/macOS automations?
Demystifying ESIM Technology [video]
Privacy friendly ESP32 smart doorbell with Home Assistant local integration
Trafilatura: Python tool to gather text on the Web
HyperUI: Free Open Source Tailwind CSS Components
Jujutsu: A Git-compatible DVCS that is both simple and powerful
Ffmprovisr – Making FFmpeg Easier
ASML EUV lithography machine could keep Moore’s Law on track
Ask HN: How do I train a custom LLM/ChatGPT on my own documents?
Another World ported to FPGA
Every time you click this link, it will send you to a random Web 1.0 website
The 90s Developer Starter Pack
macOS command-line tools you might not know about
McDonald's just dropped a brand new Game Boy game
Show HN: Bloop – Answer questions about your code with an LLM agent
Startup Incorporation for Founders: A new handbook
Launch HN: Seam (YC S20) – API for IoT Devices
Connect to your Raspberry Pi over USB using gadget mode
UEFI Secure Boot on the Raspberry Pi
Ask HN: Most interesting tech you built for just yourself?
Linen.dev: A 500 kb Slack alternative
Keyboard tricks from a macOS app dev
A SvelteKit template for building CMS-free editable websites
Launch HN: Vocode (YC W23) – Library for voice conversation with LLMs
Deployments Not Releases – Get Good at Delivering Software
So you've installed `fzf` – now what?
Download, copy and paste AWS icons in SVG and PNG format for your projects
Libgsqlite: A SQLite extension which loads a Google Sheet as a virtual table
Launch HN: Sidekick (YC W23) – AI support bot for developers
How Python virtual environments work
ChatGPT's API is so good and cheap, it makes most text generating AI obsolete
Show HN: BBC “In Our Time”, categorised by Dewey Decimal, heavy lifting by GPT
SlidesGPT – ChatGPT for Slides
Dust XP1 switches to GPT-3.5-turbo, is now free to use
Show HN: ChatGPT Inline Bot on Telegram
Show HN: Mathesar – open-source collaborative UI for Postgres databases
Iconhunt: Search 150k free and open source icons
Show HN: Turn your Pandas dataframe into a Tableau-style UI for visual analysis
Infinite-Storage-Glitch – Use YouTube as cloud storage for any files
Sloth – A Mac app that shows all open files, directories, sockets, etc.
Stable Attribution
Ask HN: Those making $0/month or less on side projects – Show and tell
Show HN: Val Town – A Cloud Scripting Site
Show HN: Futurecoder – A free interactive Python course for coding beginners
I still use Flash
Non conventional 3D Print challenges (GCode)
Ask HN: Do you recall any book or course that made a topic finally click?
Bubbles
Charl-e: “Stable Diffusion on your Mac in 1 click”
Photopea: A Photoshop clone web app
Lex Fridman Podcast #309 – John Carmack
Simon Tatham's Portable Puzzle Collection
The Floppotron 3.0
`curl wttr.in`: Weather in your terminal
Textualize – A framework for building Text User Interface applications
Show HN: Prevent your computer sleeping with just a webpage
Podman Desktop Companion GUI – Parity on All Major Operating Systems
A database for 2022
Developers spend most of their time figuring the system out
Understanding UUIDs, ULIDs and string representations
Building Remote Teams for Startups
Ask HN: What is the best podcast you listened to in 2021?
A Python Guide for the Ages
Advanced NLP with spaCy v3
How to run a small social network site for your friends
Simple Raspberry Pi Powered SMS Gateway
Blender 3.0
Show HN: Factorio Blueprint Visualizer
Learning containers from the bottom up
Restic – Backups Done Right
Avoiding bot detection: How to scrape the web without getting blocked?
Remove the Notch
Habits I've developed for fast and efficient programming
Obsidian – A knowledge base from a local folder of plain text Markdown files
Ask HN: Cross-Border Remote Jobs
Ugit - DIY Git in Python
The GIL and its effects on Python multithreading
The saga of the cannibal ants in a Soviet nuclear bunker (2019)
Show HN: 40k HN comments mentioning books, extracted using deep learning
Prettymaps: Small Python library to draw customized maps from OpenStreetMap data
Email Authenticity 101: DKIM, Dmarc, and SPF
Psst: Fast Spotify client with native GUI, without Electron, built in Rust
Buddha and Mind
1Password Alternatives
Show HN: Open by Design
How the Python import system works
The value of doing a little
Show HN: Straw.Page – Drag and drop website builder
Papers every developer should read at least twice (2009)
Habits of Expert Software Designers (2019)
Show HN: Leapp – Multi-cloud credentials tool for developers
Show HN: Glassmorphism CSS Generator
Wayfinder – a relaxing 'art game' in the browser
Utopia, a visual design tool for React, with code as the source of truth
I wrote a children's book / illustrated guide to Apache Kafka
Gooey: Turn almost any Python command line program into a GUI application
The work-from-home future is destroying bosses' brains
Software is eating the car
Althttpd: Simple webserver in a single C file
Drunk Post: Things I've Learned as a Sr Engineer
Best practices around creating production ready web apps with Docker Compose
Ask HN: Who is hiring? (June 2021)
Show HN: NocoDB – Open-Source Airtable Alternative
Show HN: Flashcards to learn AWS skills
Solved by 1440p HiDPI: MacBook Pro 16“ is hot and noisy with an external monitor
The New 3D Apple Arriving at WWDC
Modern Javascript: Everything you missed over the last 10 years (2020)
Making Your Own Tools
Show HN: Learn Python the Right Way – free introduction to Python book
Show HN: GitHub style split diffs in your terminal
A serverless email server on AWS using S3 and SES