Hacker News with Generative AI: Show HN

Show HN: Mermaid Open Editor 2.0 (mermaidchart.com)
Show HN: JuryNow – Get an anonymous instant verdict from 12 real people (jurynow.app)
Show HN: Stadium Crowd Scale Visualise Large Groups of People (davkap92.github.io)
Visualize large numbers of people using 100,000-person capacity stadiums
Show HN: Navigator Mode (Like Claude Code) for Aider (github.com/Aider-AI)
Show HN: Starcrossed – A Traveling Salesman Game (franzai.com)
Connect all stars in the shortest way possible.
Show HN: I built an app that reduces podcast preparation effort by 95% + (podcast-prepper.com)
PodcastPrepper launched on March 30, 2025 πŸŽ‰
Show HN: The Ultimate MCP Client (github.com/Dicklesworthstone)
Show HN: LLM Based Spark Profiler (datasre.ai)
Show HN: I built an app to generate story relationships using Mermaidjs (github.com/herol3oy)
Austen is an AI-powered Angular application initialized with Analogjs to generate story relationships between book characters using Mermaidjs diagrams.
Show HN: HNSW index for vector embeddings in approx 500 LOC (github.com/dicroce)
Show HN: A "Buy Me a Coffee" Button for Crypto Donations (bunnylabs.dev)
Built for creators, powered by Web3.
Show HN: I Built ImgFiber-Better Image Optimizer. Free No Limits (imgfiber.com)
Your files stay completely private β€” we never upload them to our servers.
Show HN: I also built a word game. My mom is indifferent, but I think its ccool (playletterlinks.com)
Create words on the board using your daily letter tiles. Arrange them strategically to score the most points!
Show HN: Corral – A Visual Logic Puzzle About Enclosing Numbers (mohammed321.github.io)
Show HN: I vibe coded WikiXplorer – GamePad for WikiXplorer in 20 minutes (vercel.app)
Show HN: Monkeys.zip – 3000 Monkeys on Typewriters (monkeys.zip)
Show HN: 1-844-HEY-VAPI – voice AI platform for developers (ycombinator.com)
Hey HN, I’m Jordan, founder of Vapi. For the past 1.5 years, we've been building voice infrastructure designed to help developers easily create, test, and deploy voice agents.
Show HN: Bolt/Loveable for Video Editing (kozy.studio)
Kozy Studio is your superhuman video editor.
Show HN: Terminal dashboard that throttles my PC during peak electricity rates (naveen.ing)
Show HN: MCP Server with HTTP support instead of stdio/sse (twitter.com)
Something went wrong, but don’t fret β€” let’s give it another shot.
Show HN: 2x2 Generator (With Sound Effects) (2x2-generator.com)
Select an item on the grid to edit it, or use the + button to add a new item.
Show HN: Chip-8 emulator written in JavaScript (github.com/victorqribeiro)
A Chip8 emulator written in JavaScript.
Show HN: I made a C program to create a vanity SHA-1 hash for a text file (github.com)
Show HN: We are building the next DocuSign (sgnly.com)
Show HN: I built a tool to add noise texture to your images (vercel.app)
Drop or select a file
Show HN: Matrix-themed Nostr note composer (enterthenostr.com)
Show HN: Vibe HTTP – AI generated HTTP responses (github.com/kevmo314)
A tiny HTTP server that passes the HTTP request to OpenAI's ChatGPT API and returns the response.
Show HN: New.email – Building Emails with LLMs (new.email)
What email do you want to build?
Show HN: A difficult game to test your logic (rvlabs.ca)
Swap the frogs! Green frogs go right, brown frogs go left. Click a frog to jump to the empty space.
Show HN: Interactive Map of Tom Scott Videos (sambaumann.com)