Hacker News Day

Show HN: I built an AI tool to automate property tax appeals for $29 (appealpropertytaxonline.com)

3 points by todaycompanies posted 8 hours ago • 2 comments

Show HN: A free affinity diagramming tool, in a single HTML file (ianarawjo.medium.com)

3 points by fatso784 posted 9 hours ago • 2 comments

Show HN: A Prompt-Injection Firewall for AI Agents and RAG Pipelines

3 points by AadilSayed posted 9 hours ago • 1 comments

Show HN: Perfetto2LLM - A tool to pass system traces to an LLM (perfetto-to-llm.vercel.app)

3 points by ak2242 posted 1 day ago

Show HN: Fleet / Event manager for Star Citizen MMO

2 points by legitcoders posted 11 hours ago

Show HN: A web-based lighting controller built because my old became a brick (github.com)

2 points by arianott posted 13 hours ago

Show HN: Circuit Artist –Circuit simulator with propagation animation and rewind (github.com)

2 points by rafinha posted 14 hours ago

Show HN: Dockerized benchmark suite for Sharp vs. Lazy-Image (Rust-based) (github.com)

2 points by einshutoin posted 14 hours ago • 1 comments

Show HN: Eimi – Turn any information into daily cards (eimi.tech)

2 points by xjconlyme posted 14 hours ago

Show HN: MCP Mesh – one endpoint for all your MCP servers (OSS self-hosted) (github.com)

7 points by gadr90 posted 1 day ago

Show HN: I created a 2025 Wrapped for WhatsApp Conversations (textunwrapped.com)

7 points by nicolegrf9 posted 2 days ago • 3 comments

Show HN: Lazy-image – Node.js image library with static binaries (Rust/NAPI) (github.com)

6 points by einshutoin posted 1 day ago • 2 comments

Show HN: A dynamic key-value IP allowlist for Nginx (github.com)

4 points by dayt0n posted 1 day ago

Show HN: Cck ClaudeCode file change tracking and auto Claude.md

4 points by takawasi posted 1 day ago

Show HN: Minimum Viable Parents (MVP) (yaz.zone)

4 points by plawlost posted 1 day ago

Show HN: Make 67 – a tiny maths game (simondarcyonline.com)

4 points by sidarcy posted 1 day ago

Show HN: DevCompare – a live, auto-updating comparison of AI coding tools (devcompare.io)

4 points by anticlickwise posted 1 day ago

Show HN: Signing Room – Stateless Bitcoin Multisig Coordinator (signingroom.io)

4 points by scarlin90 posted 2 days ago • 1 comments

Show HN: ARES Dashboard – Open-Source AI Red-Teaming and Governance Platform (github.com)

4 points by LA_Builds posted 2 days ago • 1 comments

Show HN: I built my own Metronome Desktop App (shredono.me)

3 points by danmol posted 1 day ago

Show HN: Financial calculators with no tracking, no signup, no email gates (financialaha.com)

3 points by stefanneculai posted 1 day ago

Show HN: Agent Skill + Activity Watcher = productivity hack for 2026 (github.com)

3 points by Bayram posted 1 day ago

Show HN: DevBox – An execution contract to end AI agent instruction fatigue (github.com)

3 points by danieljhkim posted 1 day ago • 1 comments

Show HN: ADK-Studio – a visual builder for creating AI agent workflows with Rust

3 points by Zavora posted 2 days ago

Show HN: C/C++ source code graph RAG based on Clang/clangd (github.com)

3 points by artigent posted 2 days ago • 1 comments

Show HN: Slide notes visible only to you during screen sharing (cuecard.dev)

2 points by thisisnsh posted 1 day ago

Show HN: Flipper Zero MCP – Control Your Flipper Using AI via USB or WiFi (github.com)

2 points by busseio posted 1 day ago

Show HN: Paper Tray – dramatically better file organization for Google Drive (papertray.ai)

2 points by affine_variety posted 1 day ago

Show HN: I built a standalone WASM playbook builder for sports coaches (playmaker.click)

2 points by paulgrimes1 posted 1 day ago

Show HN: Reveal – A stateless, zero-DB blur curtain for suspicious links (app.iddqd.kr)

2 points by iddqd_park posted 1 day ago

Show HN: Matchstick Puzzle Game in the Browser (matchmath.pages.dev)

11 points by prettyblocks posted 3 days ago • 2 comments

Show HN: I Built a Tool to Turn YouTube into Structured Courses (disclass.com)

10 points by yunbiao posted 3 days ago • 1 comments

Show HN: UpDown – Simple website uptime monitoring (updown.fly.dev)

7 points by ejncman posted 2 days ago

Show HN: Are the Riemann Hypothesis and Navier-Stokes the Same Problem? (academia.edu)

6 points by kristintynski posted 2 days ago • 5 comments

Show HN: I built an "ilovepdf" for CSV files (and I called it ILoveCSV) (ilovecsv.net)

5 points by vinserello posted 2 days ago

Show HN: The Lobste.rs invitation tree, visualized (alexjacobs08.github.io)

5 points by tacoooooooo posted 2 days ago • 1 comments

Show HN: Free AI NSFW Image Generator (nsfwaiimage.com)

5 points by Aa123128 posted 2 days ago

Show HN: Kuack – Run Kubernetes jobs in visitor browsers (github.com)

5 points by kuack posted 2 days ago

Show HN: Got tired of searching for AI news daily so I built my own AI news page (dreyx.com)

5 points by lilsquid posted 3 days ago • 5 comments

Show HN: KeyByKey.app – Daily piano game for practicing playing melodies by ear (keybykey.app)

5 points by reassess_blind posted 3 days ago • 4 comments

Show HN: Shardium – open-source "Dead Man's Switch" for crypto inheritance (shardium.xyz)

4 points by maxcomperatore posted 2 days ago • 6 comments

Show HN: Meter – Scrape sites and keep content in sync automatically (no LLM) (meter.sh)

4 points by mckinnonr posted 2 days ago

Show HN: The ASCII Side of the Moon (aleyan.com)

4 points by aleyan posted 2 days ago

Show HN: Awaaz – revolutionary public opinion app for understanding society (awaaz.app)

4 points by shauryatusk posted 2 days ago

Show HN: Neko.js, a recreation of the first virtual pet (louisabraham.github.io)

3 points by Labo333 posted 2 days ago

Show HN: MiddleViewer – A native macOS app for technical interview feedbacks (middleviewer.in)

3 points by madhav_gaba posted 2 days ago

Show HN: TechTools – 23 Free Browser-Based Productivity Tools (techtools.cz)

3 points by dawdaw posted 2 days ago

Show HN: True Persistent F*****G Memory for Robotics (Bypassing Linux Kernel) (ryjoxdemo.com)

3 points by JosephjackJR posted 2 days ago • 2 comments

Show HN: DockMate – Terminal UI for Container Management (github.com)

3 points by shubh-io posted 3 days ago

Show HN: Claude Life Assistant – AI accountability partner for Claude Code (github.com)

3 points by lout332 posted 3 days ago

Show HN: Portdetective – A tiny, fast rust CLI for port inspection (github.com)

2 points by ckugblenu posted 2 days ago

Show HN: swab – A configurable project cleaning tool (github.com)

2 points by crap posted 2 days ago

Show HN: Agtrace – top and tail -f for AI coding agent sessions (github.com)

2 points by zawakin posted 2 days ago

Show HN: How about some meditation in gaming? (store.steampowered.com)

2 points by madsterO posted 2 days ago

Show HN: I built a real-time IoT monitor bridging ESP8266, Go, and Next.js (synx-alpha.vercel.app)

2 points by dapoadedire posted 2 days ago

Show HN: AI-assisted approach to detecting patterns in network traffic (github.com)

2 points by viru7 posted 3 days ago

Show HN: Peer Arena – LLMs debate and vote on who survives (oddbit.ai)

5 points by ogulcancelik posted 3 days ago • 5 comments

Show HN: Future Hacker News (future-hacker-news.succinct.link)

4 points by johnhenry posted 3 days ago

Show HN: Upload a song and get a finished music video (no editing, no prompts) (musicvideogenerator.app)

3 points by hexadecimal posted 3 days ago • 7 comments

Show HN: Desktop‑2FA – offline, encrypted 2FA authenticator for your desktop (github.com)

3 points by wrogistefan posted 3 days ago

Show HN: Handoff – Claude Code plugin to let any AI continue where you left off (github.com)

3 points by pgspaintbrush posted 3 days ago • 1 comments

Show HN: Writing USB Device Firmware with Raspberry Pi Pico and TinyUSB (youtube.com)

3 points by madrajib posted 3 days ago

Show HN: Better Git for KiCad (paplix.io)

3 points by Mechse posted 3 days ago

Show HN: Whisper Money – self-hosted personal finances with E2E encryption (github.com)

3 points by falcon_ posted 3 days ago • 5 comments

Show HN: AI slop has flooded the template market

3 points by VBproDev posted 4 days ago • 4 comments

Show HN: An MCP server to develop Norns/Supercollider audio apps (gist.github.com)

2 points by rcarmo posted 3 days ago

Show HN: Warlocks – a real-time browser multiplayer game running at 60fps (warlocks.icegaming.org)

2 points by iCeGaming posted 3 days ago

Show HN: Built a full PHP framework after getting roasted on Reddit" (github.com)

2 points by aamirali51 posted 3 days ago

Show HN: I built a replit game where you need to kill debuggers[Glitch Survival] (glitch-survival.replit.app)

2 points by altras posted 3 days ago • 1 comments

Show HN: Tiny acmecli for ACMEv2 account mgmt and for DNS-persist-01 (github.com)

2 points by plagiat0r posted 3 days ago

Show HN: Neural Net Flies Navigate through a maze (claude.ai)

2 points by logicallee posted 3 days ago

Show HN: Word-GPT-Plus – Integrate AI and Agent Directly into Word (github.com)

2 points by kuingsmile posted 3 days ago

Show HN: minfern – Type inference for JavaScript without transpilation (github.com)

2 points by _sinelaw_ posted 3 days ago • 1 comments

Show HN: I created a tool to design and create foamcore inserts for boardgames (boxinsertdesigner.com)

2 points by Rabidgremlin posted 4 days ago

Show HN: Laravel Brick Money Package (github.com)

1 points by Horlahcoded posted 4 days ago • 1 comments

Show HN: I built opencode –> telegram notification plugin (github.com)

4 points by davasny posted 4 days ago • 2 comments

Show HN: I'm 15. I built an offline AI Terminal Agent that fixes errors (github.com)

4 points by taklaxbr posted 4 days ago • 8 comments

Show HN: Turn Your Git Commits into Tweets (landkit.pro)

3 points by nikhonit posted 4 days ago • 2 comments

Show HN: Follow independent journalists across platforms in one app (sourcedup.news)

3 points by smiiith posted 4 days ago • 1 comments

Show HN: Drop-in maps for Markdown and HTML, wrapping leaflet and OSM (github.com)

3 points by charles_f posted 4 days ago

Show HN: AgentFuse – A local circuit breaker to prevent $500 OpenAI bills (github.com)

3 points by abdulbasitali posted 4 days ago • 3 comments

Show HN: I Made a Tiny Stranger Things Game While Waiting for the Finale (strangerclicks.com)

2 points by jeanmayer posted 4 days ago • 2 comments

Show HN: HookVerify – Webhook delivery visibility for production systems (hookverify.com)

2 points by phntmdz posted 4 days ago • 1 comments

Show HN: Year in Review – Breakout with your GitHub contributions (github.com)

2 points by r4mimu posted 4 days ago

Show HN: Workaround for YouTube's "Save to Watch Later" Broken in Firefox (gist.github.com)

2 points by aabbcc1241 posted 4 days ago • 1 comments

Show HN: Create old-timey silent-film style caption cards (caption.joeldare.com)

2 points by codazoda posted 4 days ago • 2 comments

Show HN: An AI collaboration playbook(AGENTS.md and code map and template) (privydrop.app)

2 points by david_bai posted 5 days ago • 1 comments