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.

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    QDM SPC Platform

    QDM SPC Platform

    Dimensional Control Systems

    QDM SPC Platform gives you access to your quality information from anywhere, at any time, instantly. Automate your quality collection and start reducing your costs with real-time monitoring and powerful SPC tools. --- Automate inspection data collection --- Hardware agnostic - use any inspection device --- Monitor product quality in real-time --- Instant SPC reports with trend charts, run charts, and dozens of other SPC chart types --- Create custom reports with any data set based on time, machine, location, operator --- Standardize your quality data regardless of the source --- Connect suppliers to allow them to see their quality and fix problems before shipping --- Use Dashboards to see your quality across all plants and suppliers --- Start small or large and grow the QMS Quality Management System as you need it by adding modules and clients Join dozens of other companies and upgrade your quality to reduce costs and get a hold of your manufacturing quality.
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    Starting Price: $150 month/user
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    SPC-PC IV Explorer

    SPC-PC IV Explorer

    Quality America

    SPC-PC IV Explorer is a leading Statistical Process Control (SPC) Software package for quality assurance, capability evaluations, & streamlined process data management and reporting: -Manage process data with cascading folders grouped by customer, department, product, etc. -Password-protected concurrent-use licensing controls access to features -Process Monitor charts provide dashboard view of KPI -Quickly analyze keyboard data, or data imported or linked from Excel or other ODBC sources such as SAP, ERP, or LIMS -Data entry via electronic gaging supported in optional Work Set view -Customized reports exported to Word with charts, statistics, raw data or other info as needed -Show stratification patterns using symbol shape/color, or filter data using traceability fields. -Optional Web SPC interface for reporting, data entry & process monitoring throughout your supply chain with no local installation -Optional Calibration Management, or purchase separately as QA-Calibrate
    Starting Price: $995.00/one-time/user
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    GainSeeker Suite

    GainSeeker Suite

    Hertzler Systems

    GainSeeker Suite is the enterprise real-time SPC software and manufacturing intelligence platform that compiles disparate manufacturing operations and quality data, and turns it into useful, actionable intelligence. Our clients are able to triage, prioritize, and address issues faster and more reliably. With automated drill down analytics, they are able to diagnose the root cause of problems faster, uncover hidden opportunities to increase revenue, grow margins, and improve asset performance. GainSeeker collects and connects data from a wide range of systems. It will connect to gages, PLC's and vision systems. Additionally, you can connect other enterprise systems like ERP and MES to connect all your manufacturing data.
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    Starting Price: $2195.00/one-time/user
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    WATS

    WATS

    Virinco

    Use Manufacturing Test & Repair Data to improve cost of internal inefficiencies, warranty claims and supply chain collaboration. WATS is a Manufacturing Intelligence solution for any sized Electronics manufacturers, within the industries of industrial electronics, consumer electronics, medical instrumentation, automotive, and aerospace & defence. WATS features global data acquisition, from your internal and sub-contracted manufacturing. From any test or repair data format. It helps you to quickly identify your most frequent failures and issues, across multiple dimensions. Such as True First Pass Yield for products, revisions, factories and test stations, OEE, CPK, dashboards++ In addition to detailed test and repair data analytics, WATS features customizable alarming capabilities, operator interfaces, detail-rich test asset maintenance management, and centralized distribution mechanism for properties such as test software, unit firmware, serial numbers and MAC addresses.
    Starting Price: €249 / month
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    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
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    QW6

    QW6

    Busitech Quality Software Solutions

    Our data visualization SPC software solutions have helped industry-leading manufactures like yours reduce variation, cut waste, minimize reoccurring downtime, decrease returns and defects to run more on-target than ever before. Quality Window 6 or (QW6 ) is a statistical-based software program that was designed specifically for use on the factory floor. It incorporates the power of statistics into an easy-to-understand, quick-to-learn tool that assists a variety of companies, in over 70 countries around the world, to minimize process/product variation as well as helping them analyze and understand failures in their processes. QW6 is called the “find it and fix it” software because it helps to “find” or identify variations or failures in a process or product so you can better understand and “fix” the cause of these process upsets.
    Starting Price: $749 one-time payment
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