Compare the Top Free SPC Software as of November 2025

What is Free SPC Software?

SPC (Statistical Process Control) software helps manufacturers monitor and control production quality by analyzing real-time process data. It uses charts, control limits, and statistical algorithms to detect variation, identify trends, and prevent defects before they occur. Many platforms automatically collect data from machines, sensors, and manual inputs to ensure accuracy and consistency. SPC software also provides alerts, reports, and root-cause analysis tools to help quality teams respond quickly to process deviations. Overall, SPC software strengthens quality management, reduces waste, and supports continuous improvement across manufacturing operations. Compare and read user reviews of the best Free SPC software currently available using the table below. This list is updated regularly.

  • 1
    Predator Software

    Predator Software

    Predator Software

    Since 1994, Predator Software focuses on automating manufacturers worldwide with innovative and award-winning software applications. Predator Software is an industry leader in Industry 4.0, lean manufacturing, industrial networking solutions and automation via shop floor control or SFC. Predator's SFC technologies include CNC networking, machine monitoring, OEE, production data management, data collection, machine simulation & verification, tool & gage crib management, traveler management, CNC post processing, flexible manufacturing systems and robotic cell control software.
    Starting Price: $250
  • 2
    KurtSPC Premium

    KurtSPC Premium

    Kurt Workholding

    KurtSPC Premium statistical process control software allows you to collect data from most devices, and provide it at one location optimizing your manufacturing. Statistical process control (SPC) is used to monitor and control a process to ensure that this process operates at its full potential. At full potential, a manufacturing process is capable of creating as much conforming product as possible with a minimum of waste. KurtSPC Premium statistical process control software is a simple-to-configure, easy-to-use solution for process optimization. KurtSPC Premium software features user-definable collection fields, error codes, and graphical or text operator instructions. It supports voice and video, customized screens and reports, machine tool controls, and automated gauging. The software also supports almost all types of gages and metrology tools, networking, and Kurt’s unique and powerful Event/Actions.
    Starting Price: $1,195 one-time payment
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