
NetCrunch is commercial, self-hosted, agentless network and IT infrastructure monitoring software for Windows Server. It monitors network devices, servers, virtualization platforms, cloud services, applications, websites, logs, telemetry, and network traffic across distributed environments.
NetCrunch supports 680+ monitoring targets and provides 270+ ready-to-use Monitoring Packs for devices, applications, and operating systems. Policy-based monitoring automatically applies monitoring settings, Monitoring Packs, thresholds, and alerts to matching devices and systems. Licensing is based on monitored nodes and network interfaces rather than individual sensors, checks, or metrics.
NetCrunch provides real-time dashboards and automatic Layer 2 and routing topology maps for visibility into network status and performance. Network traffic analysis supports NetFlow, sFlow, IPFIX, and other flow technologies. Its alerting system supports event correlation, dependency-aware suppression, predictive thresholds, escalation, and 40+ automated response actions, including scripts, notifications, API calls, and integrations with external systems.
Distributed Monitoring Probes extend monitoring to remote and isolated locations. NetCrunch also provides a REST API for integration and automation with external IT management, service management, and operational systems.
NetCrunch is self-hosted on Windows Server and can monitor on-premises, air-gapped, cloud, and hybrid IT environments.
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Uptime.com website monitoring solutions provide unmatched visibility and availability, empowering engineering, operations and SRE teams to monitor & respond to their most essential services. Simple & intuitive industry leading Enterprise-grade features delivered at a fair price, that are continuously improving.
G2, Sourceforge and TechRadar Pro have recognized us as one of the world’s best uptime monitors for several consecutive years, including this one. Try 100% free.
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Nagios Core
Nagios Core, the monitoring and alerting engine, is the core application that powers hundreds of Nagios project development. Nagios Core is the event scheduler, event processor, alert manager, and monitor for elements. It has several APIs that can be used to extend its capabilities to do additional tasks. It is implemented in C for performance reasons and is designed to run natively under Linux/*nix systems.
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Appchkr
Appchkr provides a comprehensive suite of software for uptime monitoring, alerting, and reporting, catering to a wide range of users from large networks and server farms to small businesses and personal websites. It is available for free for up to 10 targets, ensuring hands-free operation in the background. With a quick setup process, fast notification capabilities, and an unmatched combination of features and affordability, it supports any version of MS Windows or Linux. Appchkr effectively monitors both local area networks (LANs) and wide area networks (WANs), as well as internal and external internet connections. The service is distributed globally and offers reliable support, making it accessible to users everywhere. Designed to be efficient in terms of time, network resources, and financial investment, it includes specialized options for databases, facilities management, security, and quality assurance systems. Additionally, Appchkr integrates seamlessly with platforms like Slack and PagerDuty while providing public status pages for transparency. Its integrated diagnostic tools aid in reducing and preventing downtime, and it can be controlled through either a web browser or command line interchangeably. The auto-flex feature helps to keep costs down, and users benefit from extensive documentation to guide them through setup and use. This versatile monitoring solution is a valuable asset for anyone looking to maintain optimal system performance.
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