1. Show HN: Set, offline Markdown note-taking app with device-to-device sync (app.writewithset.com)
Simple, open source Markdown note-taking. Your notes stay on your devices and sync directly between them.
2. Show HN: Ifso.io – Personal finance simulator with no sign up required (ifso.io)
Edit a sample plan, add your own numbers, and get the answer. Sign in when you want to keep it.
3. Show HN: AI Facial Attractiveness Model Aligned with Human Preferences (faceanalysisai.com)
Try a free AI face analysis test. Upload one photo for a transparent 1–10 face attractiveness score and a clearer way to compare profile pictures.
Upload a photo to receive a straightforward attractiveness score from 1 to 10, along with insights to help compare profile pictures. This AI tool offers a unique perspective on facial appeal based on human preferences.
4. More Than a Gigabuck: Estimating GNU/Linux's Size (2001) (dwheeler.com)
This paper analyzes the amount of source code in GNU/Linux, using Red Hat Linux 7.1 as a representative GNU/Linux distribution.
5. Show HN: Swarm, an offline family tree app for macOS (github.com)
Native macOS family tree editor. Genealogy stays in plain GEDCOM files on your disk, with offline place search, exact kinship terms, and no accounts or telemetry. - samoilev/swarm
6. Show HN: Will Jev pull the lever in the trolley problem? (gpu.studio)
Put anything on the tracks and find out whether Jev would pull the lever.
7. Comparing reflection capabilities of C++, Zig and C3 (nyr24.github.io)
Comparing reflection capabilities of C++, Zig and C3
8. Show HN: Airmash – HTML5 Multiplayer Missile Warfare (airma.sh)
Free multiplayer dogfights in your browser, the official reboot of the 2017 hit. Five aircraft, five game modes, no download.
10. Show HN: DH Tools – 40 client-side developer and productivity tools (denizlihub.com)
46+ free online tools: PDF compressor, photo background remover, AI OCR table extractor, code formatter.
11. Show HN: Jev filters large HN discussions (www.hazumi.news)
The best stories from Hacker News, ranked by score over time.
12. Show HN: Text-me: a personal agent that learns your pace (aiworthusing.com)
13. Show HN: Jev-lint – semantic linter with plain English rules (github.com)
Lint JavaScript and TypeScript against plain-English project conventions with Jev. - zdenham/jev-lint
14. Claudecookie – convert, check, and mint Claude Code credentials from a cookie (claudecookie.com)
Convert cookies between Netscape cookies.txt and JSON — Cookie-Editor, Puppeteer, key-value, header. Format auto-detected. Free, runs entirely in your browser.
16. Show HN: I am vibe coding a drone (ai-eng-design-production.up.railway.app)
17. Show HN: AgentTrace–Observability and runtime self-healing engine for AI agents (github.com)
Contribute to mohitkumar188/AgentTrace development by creating an account on GitHub.
18. Show HN: Judge Jev – Can you convince Jev of your innocence? (judge-jev.com)
Five pieces of evidence. One chance to explain yourself. An endless courtroom game judged by Jev.
19. Show HN: Scrolling Text Generator – marquee, ticker and credits in the browser (scrollingtextgenerator.space)
Create marquee/ticker/credits scrolling text → export GIF/WebM or embed
20. Show HN: I-server: Hide server using ICMP reflection/Destination Unreachable (github.com)
Contribute to hajoon22/i-server development by creating an account on GitHub.
21. Show HN: Fluentry – local voice-to-text dictation for Linux, Wayland included (fluentry.github.io)
You think faster than you type. Hold a key, say it, and Fluentry types the words — with the speech model running on your own machine.
22. Show HN: WideMelon - Nintendo DS games in widescreen and a phone touchscreen (github.com)
Experimental widescreen build of melonDS that expands DS 3D viewports while keeping 2D layers and the touchscreen at native proportions. - pruefsumme/widemelon
23. Show HN: Architectural Guardrails for AI native development (github.com)
TypeScript CLI functions for cxgrd. Contribute to cxgrd/cli development by creating an account on GitHub.
24. Show HN: Connectome-inspired spiking network you can try in the browser (awareliquid-sparse-snn-demo.static.hf.space)
25. Show HN: Reader – I made a Mac workspace for books, browser tabs, notes, and AI (github.com)
Open-source native macOS AI reading workspace for PDF, EPUB, and TXT with highlights, notes, inline rewriting, book chat, browser panes, and local-first storage. - Marvy101/reader-source
26. Show HN: Jevlang: Python with a Smart "If" (github.com)
The simplest way to write decision workflows in Python. Python with a smart if. - sumanmichael/jevlang
27. Show HN: Testing a non-generative decision model on 5,500 CLINC150 inputs (github.com)
Runnable question sets for TypeSafe's Jev, an eval harness with measured CLINC150 results, and a linter for the request shapes the API silently mis-reads. - chr-kelly/jev-cookbook
28. Show HN: I inadvertently built an English to Bash transpiler (github.com)
NPC-Forge is a framework for building conversational agents that run on the CPU without relying on machine learning or LLMs. - gioblu/NPC-Forge
29. Show HN: MidiSlayer, a desktop sight-reading trainer for MIDI keyboards (midislayer.com)
Plug in a MIDI keyboard and train sight-reading, chords, intervals and scales with live feedback, exam mode and games. Buy once. macOS, Windows, Linux.
30. Autonomous strike drone uses Nvidia Jetson Orin Nano to pick and bomb targets (www.tomshardware.com)
Targeting AI ran autonomously on non-frontier models.