Show HN: I built the fastest VIN decoder https://ift.tt/NiRZbVD

Show HN: I built the fastest VIN decoder Decodes any VIN in ~20ms with zero network calls. I compressed the entire NHTSA vehicle database into a 21MB SQLite file that runs completely offline. No API keys, no rate limits, no servers. Just download once and decode forever. Works in browsers, Node.js, Cloudflare Workers - anywhere SQLite runs. Would love any feedback and to answer any questions about the implementation. https://ift.tt/UYXtDdF August 5, 2025 at 03:42AM

Show HN: I've been building an ERP for manufacturing for the last 3 years https://ift.tt/HLbNDzB

Show HN: I've been building an ERP for manufacturing for the last 3 years https://ift.tt/bcSOyDI August 5, 2025 at 02:24AM

Show HN: I made a competitive debating game(like chess.com but for debating) https://ift.tt/CyEwuvF

Show HN: I made a competitive debating game(like chess.com but for debating) Got tired of my debates with my friend's ending in "I'm right bc I said so" so I made a platform where you can debate with your friend's(or a bot, recently added feature) about whatever you want, and after the debate is done a LLM judges who's more sound in logic. Gain points and climb the leaderboard! Feedback and criticism would be appreciated(there's a discord in there if u wanna talk more in depth) https://ift.tt/oGcBYnk August 5, 2025 at 01:07AM

Show HN: FFlags – Feature flags as code, served from the edge https://ift.tt/8eQFJTf

Show HN: FFlags – Feature flags as code, served from the edge Hi HN, I'm the creator of FFlags. I built this because I wanted a feature flagging system that gave me the performance and reliability of an enterprise-scale solution without the months of dev time or the vendor lock-in. The core ideas are: 1. Feature Flags as Code: You define your flag logic in TypeScript. This lets you write complex rules, which felt more natural as a developer myself than using a complex UI for logic. 2. Open Standard: The platform is built on the OpenFeature standard (specifically the Remote Evaluation Protocol). The goal is to avoid vendor lock-in and the usual enterprise slop. You're not tied to my platform if you want to move. 3. Performance: It uses an edge network to serve the flags, which keeps the wall-time latency low (sub-25ms) for globally distributed applications. I was trying to avoid the heavy cost and complexity of existing enterprise tools while still getting better performance than a simple self-hosted solution. There's a generous free tier ($39 per million requests after that, with no flag/user limits). I'm looking for feedback on the developer experience, the "flags-as-code" approach, and any technical questions you might have. Thanks for taking a look. https://fflags.com August 4, 2025 at 11:13PM

Show HN: Phlebas, a live timeseries sim controlled by the console https://ift.tt/y7OsYbG

Show HN: Phlebas, a live timeseries sim controlled by the console https://ift.tt/gW3qIb2 August 4, 2025 at 12:33AM

Show HN: I Taught an LSTM to Trade So I Could Sleep Better at Night https://ift.tt/Rg1EFnu

Show HN: I Taught an LSTM to Trade So I Could Sleep Better at Night https://wolflux.site/ August 3, 2025 at 11:47PM

Show HN: Zomni – An AI sleep coach that personalizes CBT-I for everyday use https://ift.tt/adIv9QJ

Show HN: Zomni – An AI sleep coach that personalizes CBT-I for everyday use Hi HN, We built Zomni because we were tired of sleep trackers that show data but don’t help you actually sleep better. Zomni is a personal sleep coach powered by AI and rooted in CBT-I, the most effective treatment for insomnia. It doesn't just record your sleep; it gives you a daily plan and dynamic recommendations tailored to your real habits, rhythm, and mindset. The problem: Most sleep apps show you charts like “6h 42min” or “sleep efficiency: 78%,” but leave you wondering: now what? They often make sleep worse by encouraging unrealistic goals and reinforcing bad patterns (like over-napping or obsessing about 8 hours). What we built: A fully conversational AI sleep coach (built on OpenAI) Hyper-personalized advice based on your last 3 nights of sleep A CBT-I–based sleep plan that updates automatically No wearables, no stress — just real habit change. We’d love feedback — from tech, behavior, or personal perspectives. Thanks for reading, Zomni Team https://ift.tt/KJpae0g August 3, 2025 at 10:01PM