Alternatives
Products that do what My solar died for 6 months, so I built a watchdog does
Hi HN, Shawn here. My rooftop system lost about half a year of production and nobody told me. Not the installer, not the monitoring app, not the utility. I found out from an electric bill that made no sense, then spent weeks digging through the monitoring portal by hand. SunRanker is what I wished existed that day. Connect a system once (Enphase OAuth, or a SolarEdge site ID plus API key) and it reads production daily, shows it in plain language, and emails you when something actually changes. Three alerts only. The connection broke, the monitoring went quiet, or output has been well below…
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Hi HN! I've been building Dayflow, a macOS app that automatically tracks what you're actually working on (not just which apps you have open). Here's what it does: - It creates a semantic timeline of your day; - It does it by understanding the content on your screen (with local or cloud VLMs); - This allows you to see exactly where your time went without any manual logging. Traditional time trackers tell you "3 hours in Chrome" which is not very helpful. Dayflow actually understands if you're reading documentation, debugging code, or scrolling HN. Instead of "Chrome: 3 hours", you get…
Sep 2025 · github.com
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I kept trying to explain how important outdoor light is and how most people aren’t getting enough. Eventually I figured that showing is more effective than telling. So we built a free app that uses your Apple Watch or iPhone to automatically track your light exposure throughout the day. It tells you if you’re getting enough, shows you how consistent you are, and rewards habits that support hormone balance. It's in beta on TestFlight, let me know what you think!
2025 · lumehealth.io
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Hey HN, I'm building a service that monitors your webapp and gives you a definitive signal when something is broken, all with minimal setup. You can check it out at: https://www.catalystmonitor.com/, read the docs at: https://docs.catalystmonitor.com/, or see the dashboard at: https://app.catalystmonitor.com/ You can also see a (very quickly made) demo at: https://www.loom.com/share/5b38a328ded94f93a980f1ba28081329?sid=5afe55d1-0e0a-42a1-b748-1c230eacd430 I've seen how having robust internal monitoring infra maintained by…
2023
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Hi Everyone, I've been working on FastMonitor.io solo for about a year now. FastMonitor monitors how fast your site is, and alerts you if it gets slower. Wanted to show it to you guys and get some feedback. Back Story: I built the basic tool kit for my previous startup - we were doing SEO and had very slow page speed across a wide variety of pages, so I ran lighthouse on an instance every day and put the results in the database and on a chart. This allowed us to chart our progress and celebrate when our pages got faster, or roll back / find the problem when things got slower. Feedback:…
2024 · fastmonitor.io
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I've built a little prototype a long while back, to help me keep track of visitors on my website. I didn't like google analytics for obvious privacy reasons, and I didn't like the existing self-hosted options because of how complicated they are. I always wanted a simple, basic tool, similar to plausible, but even simpler. So a few weeks ago I rebuilt my prototype into a reusable tool. And I made it open source. I built a website, a documentation, and I'd be excited for someone else to try it too. Who knows, maybe if enough people like the idea, I might even make it into a SaaS to save…
2023 · github.com
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LLM observability is an absolute must-have for anyone running something in prod (or prod-like). While all the observability startups are great, you're essentially sending all your OpenAI usage history - prompts, generations, chats - to a random third party. So this script deploys a basic proxy in your Azure account, catches all incoming OpenAI requests, stores logs in your own resource group, and comes with visualizations premade (charts, timelines, chat history, cost estimation, etc). Thanks for any thoughts and feedback!
2023 · github.com
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Since I went remote(working) last year, I found it hard to track my work/focus hours. To begin with, I started with my mobile stopwatch but found it to be inefficient and distracting. I then tried some time management tools online but they were geared towards enterprises than individuals. Plus, had too many features. So, last weekend I created https://www.timemygrind.com/ - a simple focus time tracking tool that requires no login, no internet and has no ads. Once you finish your work, it shows the times in the table below. I usually pause when I take a break or go out for…
2024 · timemygrind.com
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We launched an early version of our uptime monitoring service Erlywarn to the public this week. http://erlywarn.com The project was scratching an itch that monitoring services would only alert you if your site went down and not if they started responding slowly or erratically. So we built Erlywarn to keep track of the response times and allow it to send notifications if your site responds unusually, as this is often an early warning sign that something is starting to go wrong. It's only been 2 weeks from conception to this, so feedback would be most welcome, especially: Would you consider…
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Financial-grade solar analysis for your roof — in 3 minutes
May 2026 · roofsolars.netlify.app
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I spent last 6 months trying to build Simple Ops [1] to democratize website performance monitoring so anyone can use it. A year back, while I was trying to measure performance for Visa List as it became a huge content website with more than 100K pages. Also as data is changing very frequently, it's very hard to keep doing this manually. I searched on google and found that all the solutions are just uptime monitoring and nothing and none of them truly measure performance. So I decided to build one for myself. But it turns out website performance monitoring is not so simple after all and with…
2020
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