Show HN: Nirvana – A TUI YouTube Music Player with a Physics-Based Visualizer https://ift.tt/DiO69tP

Show HN: Nirvana – A TUI YouTube Music Player with a Physics-Based Visualizer Most CLI players have very rudimentary visualizations, so I focused on creating a "Quantum Spectrum Analyzer"—a high-frame-rate, physics-driven rainbow visualizer that uses gravity-based peak falling and mirrored symmetry. Under the hood, it manages a pool of ffplay instances and uses OS-level process suspension (via ctypes on Windows and signal on POSIX) to provide an "instant-off" pause experience without cutting the audio buffer mid-stream. Check it out here: https://ift.tt/H6qxJYZ https://ift.tt/H6qxJYZ March 7, 2026 at 01:29AM

Show HN: The Fastest Way to Ship TanStack Apps https://ift.tt/DKzmVnt

Show HN: The Fastest Way to Ship TanStack Apps https://ift.tt/0dHaSjP March 7, 2026 at 12:11AM

Show HN: µJS, a 5KB alternative to Htmx and Turbo with zero dependencies https://ift.tt/kXDjfJt

Show HN: µJS, a 5KB alternative to Htmx and Turbo with zero dependencies I built µJS because I wanted AJAX navigation without the verbosity of HTMX or the overhead of Turbo. It intercepts links and form submissions, fetches pages via AJAX, and swaps fragments of the DOM. Single

Show HN: Moltty – Organized, Persistent AI Coding Sessions https://ift.tt/TeZ3YJd

Show HN: Moltty – Organized, Persistent AI Coding Sessions https://moltty.com/ March 6, 2026 at 01:43AM

Show HN: Markdown-to-Book – Convert Markdown to KDP Ready PDFs and EPUBs https://ift.tt/1azJSEI

Show HN: Markdown-to-Book – Convert Markdown to KDP Ready PDFs and EPUBs Author here. I'm a software engineer who started writing hard science fiction on the side. I built this tool because I wanted to write in plain Markdown and go straight to Amazon KDP without touching Word, InDesign, or Vellum. The workflow: I write stories in .md files, one heading per chapter, --- for scene breaks. When I'm ready to publish, I run one command and get a paperback PDF, hardcover PDF, and Kindle EPUB with correct margins, typography, and scene breaks. The tool wraps Pandoc and XeLaTeX with a custom LaTeX template and a Lua filter that handles the scene break conversion. Commander.js is the only Node dependency. I used this to publish my first novelette, a hard sci-fi story called "The Pull" about an astrophysicist mapping the Zone of Avoidance behind the Milky Way. The science in the story is grounded in real astrophysics (the Great Attractor, large scale cosmic flows, the Zone of Avoidance). I also built an author website at 'alanvoss.me' with Next.js and Payload CMS, deployed as a static site on Vercel, where you can read the first chapter and see the characters. On AI use and Graphics: The story concept and science are mine. I used Claude Opus 4.6 to help with some character dialogue and for grammar and spelling checks. Character portraits on the website were generated with Midjourney and OpenAI image models. Book covers were made in Canva. The tool itself is simple (~200 lines of JS), but it solved a real problem for me. The KDP margin requirements are fiddly, especially the difference between paperback and hardcover inner margins, and getting scene breaks to render correctly in both LaTeX and EPUB needed the Lua filter approach. Hopefully useful to other developers who write. Please let me know if you have any questions about the tool, the publishing process, or KDP in general. https://ift.tt/sDc1VCw March 6, 2026 at 01:02AM

Show HN: PenguWarpOS – OS SIM made in py for Linux newbies https://ift.tt/ARCepI5

Show HN: PenguWarpOS – OS SIM made in py for Linux newbies I made an OS sim in Python so linux newbies can learn how to navigate their system from terminal and break stuff without messing their system https://ift.tt/c8YSZBt March 5, 2026 at 11:14PM

Show HN: DevTrack – A personal dashboard to track your developer growth https://ift.tt/kMqz0lG

Show HN: DevTrack – A personal dashboard to track your developer growth https://devtrack-rose.vercel.app March 5, 2026 at 01:30AM