Better Stack (Uptime)
Uptime monitoring and incident management service that alerts teams when websites or services go down
Open-Source Projects
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Discover top open-source software, updated regularly with real-world adoption signals.
Real-time full-stack monitoring platform for servers, apps, and services
CheckCle delivers real-time uptime, performance, and SSL monitoring across servers, applications, and APIs, with distributed checks, incident tracking, and multi-channel alerts—all self‑hosted via Docker.
CheckCle is designed for developers, system administrators, and DevOps teams that need full visibility into their entire technology stack. By running a single self‑hosted service, teams can monitor websites, APIs, databases, and infrastructure components in real time without relying on external SaaS providers.
The platform performs distributed uptime checks over HTTP, DNS, Ping, and TCP protocols, while also collecting server metrics such as CPU, memory, disk and network usage on Linux (Debian, Ubuntu, CentOS, Red Hat) and Windows (beta). Integrated SSL monitoring reports certificate status, issuer and days‑to‑expiry. Incident history, maintenance scheduling, and public status pages keep stakeholders informed. Alerts are delivered through email, Telegram, Discord, and Slack, and can be customized via templates.
CheckCle ships as a Docker image that can be started with a one‑line docker run command or a Docker‑Compose file. The web UI is accessible on port 8090, offering multi‑language support, dark/light themes, and user management. All components are released under the MIT License, encouraging community contributions and free use.
When teams consider CheckCle, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
Website uptime monitoring
Detect downtime instantly and receive Slack alerts, reducing SLA breaches.
API health checks
Track response times of internal services and trigger Telegram notifications on latency spikes.
SSL certificate management
Monitor domain certificates, get email warnings before expiration, avoid service interruptions.
Server resource dashboard
Visualize CPU, RAM, and disk usage across Linux servers, schedule maintenance windows, and publish public status pages.
Deploy via Docker Compose or a single docker run command; the container includes the web UI and monitoring agents.
Windows monitoring is available in beta; core Linux distributions are fully supported.
Yes, the settings panel lets you edit notification templates for each channel.
No hard limit; performance depends on host resources and Docker configuration.
The project is released under the MIT License, allowing unrestricted use and modification.
Project at a glance
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