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Free Windows Server Monitoring Software

Built by data center professionals and trusted since 1999. Site Monster is a self-hosted server monitoring system designed for small IT teams.

Download Site Monster 26.0
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Monitor the Services You Run. Anytime. Anywhere.

Built-in scan types designed for real Windows PC infrastructure.

Core Service Checks

Ping, TCP/UDP ports, HTTP/HTTPS, FTP, SMTP, POP, IMAP, SNMP.

Infrastructure Monitoring

SNMP scans for CPU, memory, disk, and traffic.

MySQL Validation

Login verification and command validation using SHOW TABLES.

Customized Scans

Upload scripts or executables with string or numeric output validation.

Advanced Validation & Automation

Go beyond availability checks with intelligent validation and automated response.

Advanced HTTP Checks

Auth check, string match, regex match, server reply match, redirection limits.

Event-Driven Actions

Run programs, send web queries, and customize alert/recovery emails.

Live Monitoring Dashboard

Automatically refreshes scan status at defined intervals.

Manage Multiple Hosts Easily

Designed for teams managing several Windows servers.

Host Auto-Detection

Scan IPv4 ranges and bulk-add hosts with ping validation.

Schedule Sync

Copy scan schedules and settings across multiple servers.

Multi-User Support

Administrator oversight with user-level scan control and account management.

Logs, History & System Requirements

Historical visibility with lightweight deployment.

Historical Graphs

Graph preservation days and see graph history within the web UI.

Configurable Logs

Define preservation days and download log history as needed.

System Requirements

Windows PC, IIS 10+, ASP.NET, .NET Framework 4.8.1

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Web Interface

Runs on a Windows PC and is accessible from anywhere.

PC Requirements: IIS 10 or above, ASP.NET, .NET Framework 4.8.1.

Multi-User Support

  • Administrators have full scan access and control over all users.
  • Users have access to all scan features.
  • Users can start or stop their own scans.
  • Administrators can start or stop all users' scans at once.
  • Administrators can add/delete users and log into user pages.
  • Administrators receive confirmation emails for user additions, deletions, and password changes.

Automated Scan Monitor Page

  • Scan status automatically updates every minute.
  • Warning sound alerts when a server goes down.
  • Custom sound files can be uploaded.
  • "Aware" flag silences warning sounds.

Customizable Scan Schedules

  • Common scans: Ping, TCP/UDP Port, HTTP, HTTPS, FTP, SMTP, POP, IMAP, SNMP.
  • HTTP(S) Page Download Scan: Authentication check, string match, regular expression match, server status reply match, redirection limit.
  • FTP write/read/delete scan.
  • POP/IMAP email send and receive scan.
  • SNMP scans: CPU, memory, disk, and traffic (pre-defined).
  • Custom SNMP scans with string match or numeric value check.
  • MySQL scan: Log into MySQL server and run SHOW TABLES command.
  • Custom scans: Upload executable files/scripts and validate output using string match or numeric value checks.

Event Actions

  • On server down or recovery, run programs and/or send web queries.
  • Upload programs to execute on event triggers.
  • Customizable alert and recovery emails for each scan.

Scan History and Logs

  • Set log preservation days and download logs via the web interface.
  • Set graph preservation days and view historical scan graphs.

Host Management

  • Add or delete scans for the same host simultaneously.
  • Auto-detect hosts within defined IP ranges.
  • Host Group Sync: Copy scan schedules from one host to multiple hosts.
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Custom Software & Digital Solutions That Drive Business Growth

Since 1987, Pacific Software Publishing, Inc. (PSPINC) has helped businesses grow by building technology that produces measurable results. Through professional web design and online marketing services, we help organizations generate more leads, attract more customers, and strengthen their online presence.

Our custom software development services enable companies to improve internal operations, streamline workflows, and even launch entirely new business models. Every solution we build is supported by our secure hosting and IT infrastructure, ensuring stability, performance, and long-term scalability.

Site Monster reflects this same philosophy. It was originally developed to enhance monitoring and operational reliability within our own data center, a practical example of how we use software to improve efficiency, reduce risk, and strengthen business infrastructure.

Learn More About PSPINC

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View the User Manual (PDF)