Overmonitor
Overmonitor is cloud-based infrastructure, website, and endpoint monitoring built for teams that want fast setup without enterprise complexity. Monitor websites, servers, processes, Windows services, event logs, uptime, response time, SSL certificates, and internal network health from a lightweight 2.1 MB agent that reports a heartbeat every minute. Configure checks quickly, target monitoring by city-level geography, define maintenance windows that actually suppress noise, and receive alerts through push notifications and audible dashboards. Overmonitor includes process rollups, embeddable performance graphs, endpoint health visibility, and flexible à la carte pricing so you only pay for the monitoring you need. Use Overmonitor to detect outages, analyze website performance, track server availability, and improve end-user experience before small issues become downtime.
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UptimeRobot
UptimeRobot is a website monitoring service with a forever free plan that lets you register with just an email and monitor up to 50 websites, servers, or keywords with 5-minute intervals. Setup takes only a few clicks.
For faster checks and advanced features, paid plans offer 1-minute or 30-second intervals, along with SSL certificate, domain expiry, and heartbeat (cron job) monitoring. You can also create up to 100 status pages, customize them to match your brand, protect them with a password, and allow subscribers to receive updates.
Get notified instantly via email, SMS, voice calls, or integrations with Slack, Zapier, PagerDuty, Splunk On-Call, Telegram, Webhooks, Discord, Mattermost, Pushbullet, Microsoft Teams, Google Chat, Pushover, and more. Mobile push notifications are available through the iOS and Android apps.
Other features include maintenance windows, incident tracking with root cause analysis, tags, comments, and filters. Share account with other team members.
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CertKit
CertKit automates SSL certificate lifecycle management for DevOps teams and system administrators. Monitor expiration dates, auto-renew certificates, and deploy across multiple servers from a single dashboard.
Key Features:
- Real-time certificate monitoring and alerts
- Automated renewal before expiration
- Multi-server deployment automation
- Support for Let's Encrypt and commercial CAs
- Centralized certificate inventory
Built for the upcoming 47-day certificate mandate, CertKit eliminates manual certificate management overhead. No more expired certificates causing outages. No more spreadsheet tracking. Just reliable, automated SSL management that scales with your infrastructure.
Perfect for organizations managing multiple domains, load balancers, or distributed systems. Self-hosted or cloud options available.
Simple, practical automation for a critical security requirement. Because certificate management shouldn't require a dedicated team.
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