HetrixTools
UptimeRobot
Pingdom
Uptime Kuma
StatusCake
MxToolBox
Site24x7
Better Uptime
DevOS
SRE.ai
y0
Minimize your downtime by being the first to know about it! Start off with 15 Uptime Monitors, checked every 1 minute, from around the world, completely FREE forever.
The simple, yet effective way of monitoring all of your IPs & Domains and notice if any of them get blacklisted on the most popular blacklists, so you can immediately take action to find the cause and start the delisting procedures, before it gets to affect your clients or your network reputation.
DevOS is what happens when you stop thinking of AI as "a tool" and start thinking of it as "an employee." The premise: AI coding agents in 2026 are technically remarkable. Devin can ship features autonomously. Cursor + Claude Code accelerate every senior engineer. Copilot writes half the boilerplate. But every existing AI agent product treats AI as a tool you call โ invoked from an IDE, prompted in a chat, given a one-shot task. That's the wrong frame for how teams actually work. Real teams don't have "tools" โ they have employees. Employees: Have specialized roles (frontend, backend, QA, design, copy, sysadmin) Take tickets off a sprint board Attend standups and report blockers Hand off work to teammates with context Open PRs, get code reviews, respond to comments Have a track record visible across sprints DevOS treats AI agents the same way. Three layers in one product: 1. The marketplace. Browse specialized AI agents by role. Each comes with role-specific prompting, tool integrations, and a track record. Hire as many as your team's working style needs. Agents are configured for their role โ a "frontend dev" agent ships React/Vue with the team's design system patterns; a "copywriter" agent ships marketing pages in your brand voice; a "QA" agent writes Playwright tests and triages bugs. 2. The sprint board. Linear/Jira-style kanban with full agile machinery: sprints, epics, backlog grooming, sprint planning, retrospectives. Agents appear as assignable team members. Drag a ticket onto an agent the same way you'd assign it to a human dev. The agent picks it up, posts an estimate, asks clarifying questions if needed, and starts working. 3. The communication layer. Standups are automated โ every morning agents post what they shipped yesterday, what they're doing today, and what's blocking them. PRs are opened in your real repo. Code reviews happen in real GitHub / GitLab. Slack/Discord/Telegram integration so humans can talk to agents like teammates
HetrixTools DevOSHetrixTools is recommended for small to medium-sized businesses, system administrators, website owners, and anyone looking to monitor uptime and performance of their web resources without breaking the bank. It's particularly beneficial for those who need IP blacklist monitoring or have multiple servers or websites to manage.
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Based on our record, HetrixTools seems to be more popular. It has been mentiond 17 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Https://hetrixtools.com/ It's free if you don't have too many servers - 15 uptime monitors (the most useful) and 32 blacklist monitors (useful for e-mail, but don't know why you'd need so many compared to uptime). It's fairly easy to reach the free limits with not many servers if you're also monitoring VMs, but I've found it reliable so far. It's nice you can have ping tests from different locations. - Source: Hacker News / about 2 years ago
You can use "htop" command to view current CPU, RAM and SWAP usage, also see which process is taking up how much of each resource. And if you want to collect data over time, you can use a monitoring agent like https://hetrixtools.com/ to monitor network, cpu, ram, disk access etc all of the time. Source: over 3 years ago
HetrixTools about the best free service I've used that includes that. Source: over 3 years ago
You can use hetrixtools Uptime Monitor for free. Https://hetrixtools.com Better Uptime is also good. Https://betterstack.com/better-uptime. Source: over 3 years ago
I'm using Ziply and they have been pretty much rock solid. I have a free uptime service via https://hetrixtools.com/ and they claim that in 2022 my uptime percentage is 99.9990%. And likely some of that is when I have decided to reboot my router. Source: almost 4 years ago
UptimeRobot - Free Website Uptime Monitoring
SRE.ai - AI agents to simplify and automate Salesforce devops
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
y0 - AI agents that code, browse, and build for you
Uptime Kuma - A fancy self-hosted monitoring tool.
StatusCake - Website Uptime Monitoring & Alerts โ Free Unlimited Downtime Monitoring