Hacker News Day

Show HN: How to Plan a n8n Workflow (theowllogic.com)

2 points by wayofthekatana posted 4 hours ago

Show HN: StillOnAir – Turn YouTube into programmable, linear TV for free (stillonair.com)

4 points by nanamichael posted 15 hours ago • 1 comments

Show HN: AI agent audited its platform, got 80% wrong, rewrote its methodology (openseed.dev)

4 points by rsdza posted 22 hours ago • 6 comments

Show HN: I created an app to remove Reels, now on iOS too (apps.apple.com)

4 points by adrianhacar posted 23 hours ago • 4 comments

Show HN: I built a semiconductor internship job board (semidesignjobs.com)

4 points by johncole posted 23 hours ago • 2 comments

Show HN: My dream came true: I released a mobile game (apps.apple.com)

4 points by skreep posted 1 day ago

Show HN: Nanbeige 4.1-3B running in the browser via WebGPU (huggingface.co)

4 points by victormustar posted 1 day ago • 2 comments

Show HN: Synter- Open source MCP server to manage ads across 7 platforms (github.com)

3 points by synterai posted 1 day ago • 1 comments

Show HN: Agent skills to build photo, video and design editors on the web (github.com)

3 points by hauschildt posted 1 day ago

Show HN: KGBaby – A WebRTC based audio baby monitor I built on pat leave (legodud3.github.io)

3 points by legodud3 posted 1 day ago

Show HN: Potatometer – Check how visible your website is to AI search (GEO) (potatometer.com)

3 points by apswin posted 1 day ago • 7 comments

Show HN: Skicamslive.com (skicamslive.com)

2 points by mcoliver posted 15 hours ago

Show HN: Hi.new – DMs for agents (open-source) (hi.new)

2 points by elieskilled posted 15 hours ago

Show HN: Astroworld – A universal N-body gravity engine in Python (github.com)

2 points by salinas00 posted 17 hours ago

Show HN: BLite a Document embedded database for .NET (AOT, no deps) (github.com)

2 points by lucafabbri posted 19 hours ago • 1 comments

Show HN: PostForge – A PostScript interpreter written in Python (github.com)

2 points by AndyCappDev posted 20 hours ago • 1 comments

Show HN: CandyDocs – Simple, developer-friendly documentation for SaaS teams (candydocs.com)

2 points by mukul767 posted 1 day ago

Show HN: Aegis.rs, the first open source Rust-based LLM security proxy (github.com)

2 points by ParzivalHack posted 1 day ago • 2 comments

Show HN: I built a compliance scanner that flags WCAG GDPR and FTC risks in mins (rataify.com)

2 points by CraftyGuru posted 1 day ago

Show HN: Elecxzy – A lightweight, Lisp-free Emacs-like editor in Electron (github.com)

2 points by kurouna posted 1 day ago

Show HN: Ball 2 – Use AI to build fun ball games (shop.ball2.ai)

1 points by klangdon posted 15 hours ago

Show HN: Axiom – A math-native OS where x² is valid syntax (built from scratch) (fawazishola.ca)

15 points by fawazishola posted 1 day ago • 3 comments

Show HN: Free printable micro-habit tracker inspired by Atomic Habits (atomichabits-calendar.com)

13 points by winmonaye posted 2 days ago • 8 comments

Show HN: Keystone – configure Dockerfiles and dev containers for any repo (github.com)

11 points by thad_imbue posted 1 day ago

Show HN: I Made a Programming Language with Python Syntax, zero-copy and C-Speed (github.com)

10 points by CrimsonDemon567 posted 2 days ago • 9 comments

Show HN: I replaced Grafana+Prometheus with a Go binary and SSH for my VPSs (github.com)

9 points by thobiasn posted 1 day ago

Show HN: The Answering Machine – A screenless AI phone for kids with questions (tdaltonc.github.io)

8 points by tdaltonc posted 1 day ago • 7 comments

Show HN: Algorithms 1.0.0 – Minimal and clean implementations of algorithms (github.com)

7 points by kwk236 posted 2 days ago

Show HN: Nedagram – Transfer Text Over Sound, when internet isn't available (nedagram.com)

6 points by shayanbahal posted 1 day ago • 4 comments

Show HN: LaminarDB – Streaming SQL database in Rust, zero-alloc hot path (github.com)

6 points by sujitn posted 2 days ago • 1 comments

Show HN: gwt-zsh – Stupidly simple Git worktree management (github.com)

5 points by aasimsani posted 1 day ago • 1 comments

Show HN: macOS native DAW with Git branching model (scratchtrackstudio.com)

5 points by hpen posted 1 day ago • 1 comments

Show HN: SVO Voxelization for Gaussian Splat Collisions (old.reddit.com)

5 points by slimbuck posted 1 day ago

Show HN: Nonograms – Friends-only puzzle room with replays and leaderboards (nonograms.siraben.dev)

5 points by siraben posted 1 day ago • 2 comments

Show HN: Clawy, a companion device to track your Claude Code sessions (clawy.lol)

5 points by mrcv posted 1 day ago

Show HN: m6502, a 6502 CPU for FPGAs and Tiny Tapeout (github.com)

5 points by chrismoos posted 2 days ago • 2 comments

Show HN: How I built Timeframe, our family e-paper dashboard (hawksley.org)

5 points by hawksley posted 2 days ago • 2 comments

Show HN: Codereport – track TODOs, refactors, and bugs in your repo with a CLI

4 points by pulko posted 1 day ago

Show HN: Sports-skills.sh – sports data connectors for AI agents (github.com)

4 points by andreantonelli posted 1 day ago

Show HN: OtherFunc – Serverless functions in Brainfuck, Forth, BASIC, and more (otherfunc.com)

4 points by mdeeds posted 1 day ago

Show HN: Nom – Turn GitHub activity into updates (beta.nomit.dev)

4 points by Lws803 posted 1 day ago

Show HN: Codex skills as RE playbooks: unpacking and IOC extraction (joshuamckiddy.com)

4 points by dozercat posted 1 day ago • 1 comments

Show HN: Owoa – Image watermarking resistant to camera capture (owoa.app)

4 points by wodoshio posted 1 day ago • 2 comments

Show HN: Env-rx – Catch missing .env variables before they break your CI (github.com)

3 points by xserhio posted 1 day ago • 4 comments

Show HN: SkillForge – Turn screen recordings into agent skill files (skillforge.expert)

3 points by YaraDori posted 1 day ago • 1 comments

Show HN: Syncpack v14, Monorepo CLI tool (syncpack.dev)

3 points by fold_left posted 1 day ago

Show HN: See – searchable JSON compression, smaller than ZSTD (on our data) (github.com)

3 points by Tetsuro posted 1 day ago • 1 comments

Show HN: Open Slop – A GitHub Action to Triage AI-Generated PR Slop (github.com)

3 points by __alberto posted 1 day ago • 3 comments

Show HN: A search engine with 0.01 second latency (github.com)

3 points by lipzo14 posted 1 day ago • 2 comments

Show HN: Design Token Spec Implemented (github.com)

3 points by daschaa posted 1 day ago

Show HN: Growl Owl 2 RL Reasoner (github.com)

3 points by jcadam posted 1 day ago

Show HN: Fory C++ Serialization – Polymorphism, Circular Refs, 12x vs. Protobuf (fory.apache.org)

3 points by chaokunyang posted 1 day ago • 1 comments

Show HN: Open-source PDF layout analysis running entirely in the browser (embedpdf.com)

3 points by bobsingor posted 1 day ago

Show HN: LockFS (github.com)

3 points by 0xGhostInAJar posted 1 day ago • 3 comments

Show HN: X402 Agent Starter Kit: AI agents that pay for their own APIs (gitlab.com)

3 points by peiyaooo posted 1 day ago • 2 comments

Show HN: ReARM – Release-Level Supply Chain Evidence Platform (rearmhq.com)

3 points by taleodor posted 2 days ago

Show HN: Oore CI – self-hosted, Flutter-first mobile CI (public alpha) (github.com)

3 points by _arykumarjha posted 2 days ago

Show HN: Benchmarking Apple Silicon unified mem for GPU-accelerated SQL analysis (github.com)

3 points by sadopc posted 2 days ago • 1 comments

Show HN: Recall Lite – Local semantic search for Windows (Rust/Tauri, no cloud) (github.com)

3 points by ii-co posted 2 days ago • 1 comments

Show HN: Start an Apple Container in Seconds (github.com)

3 points by dpweb posted 2 days ago

Show HN: ClawShield – Open-source firewall for agent-to-agent AI communication

2 points by Joe_DNAI posted 1 day ago • 2 comments

Show HN: Wakapadi – Meet locals and travelers nearby and join free walking tours (wakapadi.io)

2 points by CodePapi_ posted 1 day ago

Show HN: Hardware.dog: automated schematic and PCB review (hardware.dog)

2 points by ariwasch posted 1 day ago

Show HN: Agent Paperclip: A Desktop "Clippy" That Monitors Claude Code/Codex (github.com)

2 points by fredrussias posted 1 day ago • 1 comments

Show HN: DovahScript – A language for the Thu'um-powered developer (github.com)

2 points by basteez posted 1 day ago

Show HN: TUI open-source Python tool for network discovery and port auditing (github.com)

2 points by mennylevinski posted 1 day ago

Show HN: Opaal Visual multi-agent prompt designer for Claude Code and agentic AI (github.com)

2 points by Kinanhamwi posted 1 day ago

Show HN: PolyMCP – MCP Tools, Autonomous Agents, and Orchestration

2 points by justvugg posted 1 day ago

Show HN: SentinelGate – Universal Firewall for AI Agents (Open Source, Go) (github.com)

2 points by Sentinel-gate posted 1 day ago • 1 comments

Show HN: Refine.tools – 10 client-side career tools (Next.js, no DB) (refine.tools)

2 points by HarakiriGod posted 1 day ago • 3 comments

Show HN: SunnyFlight – Find cheap weekend flights to sunny destinations (sunnyflight.com)

2 points by coderai posted 2 days ago • 1 comments

Show HN: Jarvish – A New AI Integrated Shell inspired by J.A.R.V.I.S. on marvel (github.com)

2 points by tominaga-h posted 2 days ago

Show HN: I analyzed 120 films to help screenwriters test narrative structure (arc.quanten.co)

2 points by phaedrus044 posted 2 days ago

Show HN: Instagram Saved Collection Exporter (chromewebstore.google.com)

2 points by qwikhost posted 2 days ago

Show HN: I built a simulated AI containment terminal for my sci-fi novel (vertex.flowlogix.ai)

22 points by stevengreser posted 2 days ago • 12 comments

Show HN: Cycast – High-performance radio streaming server written in Python (github.com)

22 points by LukeB42 posted 2 days ago • 2 comments

Show HN: Writing a C++20M:N Scheduler from Scratch (EBR, Work-Stealing) (github.com)

18 points by lixiasky posted 2 days ago • 20 comments

Show HN: I graded 234 stocks on free cash flow (not earnings) (aureus-swart.vercel.app)

17 points by babylonprince posted 3 days ago • 9 comments

Show HN: I curated 130 US PDF forms and made them fillable in browser (simplepdf.com)

12 points by nip posted 2 days ago

Show HN: Relay – I built a modern web-based IRC/Discord replacement (relay.moltic.dev)

11 points by redmageinc posted 2 days ago • 1 comments

Show HN: OpenBoot – 2 commands to replace a 3-hour Mac setup ritual (github.com)

10 points by superjam2026 posted 2 days ago • 7 comments

Show HN: Script to check if Notepad++ is backdoored by Lotus Blossom APT (github.com)

10 points by 10000000001 posted 3 days ago • 1 comments

Show HN: KrillClaw – 49KB AI agent runtime in Zig for $3 microcontrollers (github.com)

8 points by myonatan posted 2 days ago • 2 comments

Show HN: Persistent memory for Claude Code with self-hosted Qdrant and Ollama (github.com)

8 points by elvismdev posted 2 days ago

Show HN: Ambient CSS – Physically Based CSS and React Components (ambientcss.vercel.app)

8 points by kikkupico posted 2 days ago • 9 comments

Show HN: Donation.watch – open-source political finance tracker (AGPL/CC-BY) (donation.watch)

8 points by numdefined posted 3 days ago • 4 comments

Show HN: PIrateRF – Turn a $20 Raspberry Pi Zero into a 12-mode RF transmitter (github.com)

7 points by metadescription posted 2 days ago • 3 comments

Show HN: I built the Million Dollar Homepage for agents (onemillionpixels.ai)

6 points by talboren posted 2 days ago • 2 comments

Show HN: OpenEntropy – 47 hardware entropy sources from your computer's physics (github.com)

6 points by amentiflow posted 3 days ago

Show HN: Orange Cheeto Browser extension that replaces Trump with nicknames (cheetodon.com)

4 points by philco posted 2 days ago

Show HN: Listen to sounds around the world and guess the location (placethesound.vikborges.com)

4 points by bit_nomad posted 2 days ago

Show HN: A real-time chord identifier web app using the Web MIDI API (midi-chord-identifier.backwater.systems)

4 points by nate-gehringer posted 2 days ago • 4 comments

Show HN: JVM hot-path execution analysis for Java in the age of vibe coding (github.com)

4 points by sfkamath posted 2 days ago • 4 comments

Show HN: GitShow: Replace github.com with gitshow.dev for a visual portfolio (github.com)

4 points by ofershap posted 3 days ago • 2 comments

Show HN: Data Studio – Open-Source Data Notebooks (github.com)

4 points by alx-net posted 3 days ago

Show HN: Distillate – Zotero papers → reMarkable highlights → Obsidian notes (distillate.dev)

3 points by rhl posted 2 days ago • 3 comments

Show HN: Keyfob Analysis Toolkit (karazajac.io)

3 points by arkwin posted 2 days ago

Show HN: Galatea – Real personality for your AI agent (galatea.sh)

3 points by ianpcook posted 2 days ago • 1 comments

Show HN: Windows 98 web desktop with a functional remote browser (no CORS) (win9-5.com)

3 points by keepamovin posted 3 days ago • 3 comments

Show HN: Visualize S&P 500 financials with Sankey diagrams (10q10k.net)

3 points by kyleslight posted 3 days ago

Show HN: VisibleInAI – Check if ChatGPT recommends your brand (visibleinai.ai)

2 points by pljkv posted 2 days ago • 2 comments

Show HN: Nobody asked for OpenClaw in the cloud. I did it anyway (accordio.ai)

2 points by deduxer posted 2 days ago • 1 comments

Show HN: NBA-API-ts – Zero-dep TypeScript client for 138 NBA stats endpoints (github.com)

2 points by gek0z posted 2 days ago • 1 comments

Show HN: Lap – Fast photo browsing for libraries (Rust and Tauri) (github.com)

2 points by julyxx posted 2 days ago

Show HN: Self-Hosted Task Scheduling System (Back End and UI and Python SDK) (github.com)

2 points by rilesthefirst posted 2 days ago

Show HN: Trained YOLOX from scratch to avoid Ultralytics (aircraft detection) (austinsnerdythings.com)

2 points by auspiv posted 2 days ago • 1 comments

Show HN: Proxima – local open-source multi-model MCP server (no API keys) (github.com)

2 points by Zen4bit posted 3 days ago

Show HN: AudioNimbus – Safe Rust Wrapper for Steam Audio (github.com)

1 points by mxncmr posted 2 days ago

Show HN: Agent Gate – Execution authority for AI agents, vault-backed rollback (github.com)

1 points by hammer32 posted 2 days ago • 1 comments

Show HN: I built a "Socratic" AI to stop my daughter from copy-pasting homework (thinkqurio.com)

34 points by qurio_dev posted 3 days ago • 36 comments

Show HN: Deep Research for Flights (flightdeepresearch.com)

14 points by aiddun posted 3 days ago • 5 comments

Show HN: Write native binary web apps with TypeScript and Express (github.com)

11 points by jeswin posted 3 days ago • 1 comments

Show HN: Scrappy – Open-source browser scraper written in Go (github.com)

10 points by RaulOnRails posted 3 days ago • 2 comments

Show HN: 2d platformer game built with Codex (zero code)

10 points by armcat posted 3 days ago • 10 comments

Show HN: Journey – A Custom 2D ECS Game Engine Written in Rust and WGPU (ujjwalvivek.com)

9 points by ujjwalvivek posted 3 days ago • 3 comments

Show HN: Telescope now queries Kubernetes logs directly (github.com)

9 points by r0b3r4 posted 3 days ago

Show HN: Interactive Chord Finder, Free Piano Scale and Chord Explorer (interactivechordfinder.com)

9 points by magikMaker posted 3 days ago • 3 comments

Show HN: GEDB – A pure-Go embedded database

9 points by ReturnErr posted 3 days ago • 3 comments

Show HN: Provisioner per-board sidecar for serial access, flashing, and bring-up

8 points by acarminati posted 3 days ago • 1 comments

Show HN: Purple Computer – Turn an old laptop into a calm first kids computer (purplecomputer.org)

7 points by imtavi posted 4 days ago • 3 comments

Show HN: Rollin – Wheelchair accessibility scores for 56K+ locations (free API) (joinrollin.com)

6 points by thattechiedude posted 3 days ago • 4 comments

Show HN: Claude-engram – Brain-inspired persistent memory, runs inside Claude.ai (github.com)

6 points by mlapeter posted 3 days ago • 2 comments

Show HN: Tanin – TUI Noise Generator (github.com)

6 points by anongazelle posted 4 days ago • 2 comments

Show HN: Katipo is a minimal alternative internet with a Vulkan based browser (github.com)

5 points by majicDave posted 4 days ago • 3 comments

Show HN: I built a tool to poison audio files against AI training models

5 points by STEM_SAFE posted 4 days ago • 1 comments

Show HN: Vocalinux // 100% offline voice typing for Linux (vocalinux.com)

4 points by jatinkrmalik posted 3 days ago

Show HN: SnkvDB – Single-header ACID KV store using SQLite's B-Tree engine (github.com)

4 points by hashmakjsn posted 3 days ago • 1 comments

Show HN: Untranslated Einstein paper available in English for the first time (repository.cam.ac.uk)

4 points by ajw287 posted 4 days ago

Show HN: SIMD-accelerated, zero allocation CSV library in Zig (github.com)

3 points by peymo posted 3 days ago

Show HN: Scene It SF – Hollywood thinks San Francisco is 3 blocks wide

3 points by distribution14 posted 3 days ago • 1 comments

Show HN: Your binary is no longer safe (reorchestrate.com)

3 points by seddonm1 posted 3 days ago

Show HN: ViewLint – Lint UI, Not Code (github.com)

3 points by EvanZhouDev posted 3 days ago

Show HN: Nothing as a Service – Premium nothingness for minimalists (euphonious-blancmange-24c5b0.netlify.app)

3 points by Nabil_Bellaali posted 3 days ago • 1 comments

Show HN: WowAI.pet – Generate cinematic videos from blurry pet photos (wowai.pet)

2 points by zy5a59 posted 3 days ago

Show HN: ZIT: Zooplankton Image Tool for 2d rendering of biological locomotion (github.com)

2 points by juleshenry posted 3 days ago

Show HN: AsdPrompt – Vimium-style keyboard navigation for AI chat responses (asdprompt.com)

2 points by contrary2belief posted 3 days ago

Show HN: Harmonic embeddings beat random init and work frozen – no tokenizer (github.com)

2 points by atech-77 posted 4 days ago • 1 comments

Show HN: Animus Invoice – Invoice tracking without the busywork (animusinvoice.com)

2 points by ilkerozbay posted 4 days ago • 1 comments

Show HN: Mindweave – AI-powered personal knowledge hub with semantic search (mindweave.space)

2 points by adas10 posted 4 days ago

Show HN: Talk2Code – Text your codebase from your phone (~150 lines of Python) (github.com)

2 points by dchisholm125 posted 4 days ago • 1 comments

Show HN: HackerTok – HN with Local Recommendations (hackertok.blode.co)

12 points by mblode posted 4 days ago • 4 comments

Show HN: Perlin Noise Terminal Animation in Rust (60 FPS, Truecolor) (github.com)

10 points by denisepattenson posted 5 days ago • 4 comments

Show HN: GPU Perpetual Futures Prototype (github.com)

9 points by ozzymandiaz96 posted 4 days ago • 3 comments

Show HN: Clawntown – An Evolving Crustacean Island (clawntown.lol)

8 points by acnops posted 5 days ago

Show HN: Git Navigator – Use Git Without Learning Git (gitnav.xyz)

8 points by binhonglee posted 5 days ago • 1 comments

Show HN: Ingglish – What if English spelling made sense? (ingglish.com)

6 points by ptarjan posted 4 days ago • 3 comments

Show HN: An x86 assembly game from 2002, ported to WebAssembly with Claude Code (particlefield.com)

6 points by gottebp posted 5 days ago • 2 comments

Show HN: Please hack my C webserver (it's a collaborative whiteboard) (ced.quest)

5 points by cedric_h posted 4 days ago

Show HN: Chaos Studies – attractors and spatial audio (iOS/Mac/Playdate) (fieldbw.com)

5 points by jlong posted 4 days ago • 2 comments

Show HN: WCAG 2.2 AAA Toolkit – AI Skill for Accessible Web Apps (github.com)

4 points by simonmak posted 4 days ago

Show HN: 500x faster string matching for Linux Netfilter (O(1) vs. O(N)) (github.com)

4 points by landerrosette posted 5 days ago

Show HN: Retry script for Oracle Cloud free tier ARM instances

4 points by ekadet posted 5 days ago

Show HN: Tufte Editor – Local Markdown Editor with Tufte CSS Live Preview (github.com)

4 points by avngr86 posted 5 days ago • 2 comments

Show HN: DocSync – Git hooks that block commits with stale documentation (github.com)

4 points by suhteevah posted 5 days ago

Show HN: ManasPDF – GPU-accelerated PDF renderer built from scratch in C++ (github.com)

3 points by informal061 posted 4 days ago • 2 comments

Show HN: An open-source extension to chat with your bookmarks using local LLMs (github.com)

3 points by minicaionut posted 4 days ago • 1 comments

Show HN: Lineark – Linear CLI and Rust SDK for Humans and LLMs (github.com)

3 points by fb03 posted 4 days ago

Show HN: Eliza, a line-by-line remake of the original AI chatbot from 1966 (marquisdegeek.github.io)

3 points by marquisdegeek posted 5 days ago

Show HN: Twsnmp FK – Lightweight NMS Built with Go, Wails, and Svelte (github.com)

3 points by twsnmp posted 5 days ago • 1 comments

Show HN: HabitStreak – Habit tracker with giftable streak tokens (habitstreak.io)

2 points by greenbelt-dev posted 4 days ago

Show HN: Stockdata.dev – Free stock market API with 15-min delayed US quotes (stockdata.dev)

2 points by jsandfort posted 4 days ago • 3 comments

Show HN: This is my Shell (lorentz.app)

2 points by baalimago posted 4 days ago

Show HN: Neural network compiler targeting WebGPU – runs in browser (graphpilled.github.io)

2 points by graphpilled posted 4 days ago • 1 comments

Show HN: Manga Viewer – Zero-dep manga/comic reader in vanilla JavaScript (github.com)

2 points by tokagemushi posted 5 days ago

Show HN: Addictive little browser game involving gravity (retroburn.space)

2 points by amiralul posted 5 days ago • 3 comments

Show HN: PlanOpticon – Extract structured knowledge from video recordings (github.com)

2 points by ragelink posted 5 days ago

Show HN: Stack Overflow, but for AI agents (questions, answers, logs, context) (chatoverflow.dev)

2 points by ansht2 posted 5 days ago