Best SPC Software for Freelancers
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Compare the Top SPC Software for Freelancers as of January 2026
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What is SPC Software for Freelancers?
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 SPC software for Freelancers currently available using the table below. This list is updated regularly.
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1
SBS Quality Management Software
Sunday Business Systems
The SBS Quality Management Software Suite (QMS Suite) is a group of 5 software modules that work together for efficient Quality compliance. The QMS Suite can be deployed on your local server or accessed from our cloud server. Each module is designed for ease-of-use to reduce training overhead and improve overall compliance. Password controlled access and privileges ensure you may control access to critical features for each user. The SBS QMS Suite of modules: SBS Quality Database - CAPA / 8D with root cause analysis - Nonconformance management - Risk analysis (FMEA, SWOT, etc.) - Audit management - EHS module SBS Ground Control - Employee training management (LMS) - Document control SBS Asset Tracking Database - Calibrated equipment - Preventive maintenance SBS Inspection Database - Data collection / SPC - Control Plans SBS Vendor Management - Approved vendor list / AVL - Supplier qualification plans Great product for efficient and affordable QMS ComplianceStarting Price: $4,268 one time fee -
2
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.Starting Price: $150 month/user -
3
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-CalibrateStarting Price: $995.00/one-time/user -
4
[FP]-LIMS Software
Fink & Partner
The [FP]-LIMS modules are based on a powerful SQL database solution. These allow a quick query and processing of data. We guarantee maximum user-friendliness! Our job server is a central element for the automation of functions, which executes time- and event-controlled tasks. Like, to automatically monitor limit values and the associated alarm message (e-mail, message on the monitor, etc.) when they are exceeded. Using modern LIMS software and modules such as analysis management, inspection planning, workflow management, or ERP, you can design your quality management in the best way. This makes your production processes more efficient.Starting Price: $2500 one-time fee -
5
DataLyzer Qualis
DataLyzer International
Based on 40+ years experience and thousands of customers DataLyzer developed the 4th generation SPC software. SPC Qualis is a webbased statistical process control (SPC) software that simplifies the tasks of real-time data collection, charting, and analysis. Designed with the functions of manufacturing businesses in mind, DataLyzer Qualis provides powerful analysis, reports and dashboards; supports efficient data collection from any source; delivers programmable shop floor screens; and more. The solution also offers instant operator feedback, real-time data entry for both variable and attribute data, and audit traceability for IATF16949, RM13006 and ISO compliance. SPC Qualis integrates with Qualis Gage management for calibration and MSA and with DataLyzer FMEA software offering a complete APQP suite.Starting Price: $1295.00/one-time/user -
6
SPC for Excel
BPI Consulting, LLC
SPC for Excel Software simplifies statistical charting and analysis. SPC for Excel helps you identify problem areas, gain insights into your data, spot trends, solve problems and improve processes all in the familiar environment of Excel. Whether you are a seasoned Black Belt or a novice, interested in Lean Six Sigma, Quality or process improvements, this software is for you. Get all the techniques you need for your charting and analysis. Technical support is free and there are no yearly fees. Discounts for multiple users. Site and enterprise licenses are available. Process Capability analysis - to meet your customer needs Control Charts and Histograms - to manage your processes Gage R&R Studies – to validate your measurement system Problem Solving Tools (Pareto, histogram, scatter, and more) - to help your team solve problems Advanced Data Analysis Tools (DOE, ANOVA, distribution fitting, regression, hypotheses testing, and more) – to meet your advanced needs.Starting Price: $329/one-time/user -
7
Minitab Statistical Software
Minitab
For 50 years, Minitab has helped thousands of companies and institutions spot trends, solve problems, and discover valuable insights in their data through our comprehensive, best-in-class suite of data analysis and process improvement tools. Our namesake product, Minitab Statistical Software, leads the way in data analysis with the power to visualize, analyze and harness your data to gain insights and solve your toughest challenges. Access trusted, proven and modern analytics combined with dynamic visualizations to empower you and your decisions. The latest version of Minitab Statistical Software includes access to Minitab on the cloud so you can analyze from anywhere, and Graph Builder, our new interactive tool to instantly create multiple graph options at once. Minitab offers modules for Predictive Analytics and Healthcare to boost your analytics even further. Available in 8 languages: English, Chinese, French, German, Japanese, Korean, Spanish, and Portuguese. -
8
QI Macros SPC Software Excel
KnowWare International, Inc.
QI Macros Control Chart Wizard will analyze your data and run the right chart for you. QI Macros SPC software has outstanding value, particularly when compared to software packages that cost much more. It has all the functionality needed for leading, managing, and performing the technical work of quality/process improvement and product/service development efforts. The user friendliness is excellent. The training and technical support is excellent. Once you create a control chart or other chart using QI Macros, you can easily update it using the QI Macros Chart Tools menu. To access the menu, you must be on a chart or on a chart embedded in a worksheet. We finally realized that we shouldn't waste people's time teaching them how to do this if we can make Excel do it for them. That's why we have added the Improvement Project Wizard to QI Macros Add in for Excel. It automates the creation of a PivotTable and all of the charts that can be derived from the data.Starting Price: $375.00 USD/User/Perpetual -
9
WinSPC
Advantive
WinSPC is a real-time statistical process control application that helps manufacturers create the highest quality product for the lowest possible cost -- collecting and analyzing real-time shop-floor data from virtually any source. Dashboards combine real-time statistics, charts, and events into grids to summarize current plant or line performance. WinSPC empowers monitoring. Detect process change and deliver actionable intelligence. WinSPC real-time control charts on the shop floor, enable anyone to immediately detect and process issues. Close the quality loop from "detection-to-correction" with built-in triggers that alert, or take action for you, when violations occur. Experiment, visualize and reveal more about any variable or relationship using the one-click variable analyzer. Quickly create, publish, and share quality reports throughout your organization using a graphical report builder with dozens of standard report templates.Starting Price: $1600.00/one-time -
10
SBS Inspection Database
Sunday Business Systems
The SBS Inspection database is designed to maintain control plans and capture data for incoming inspection, final inspection, and in process inspection. Establish an inspection plan with control limits and spec limits and record detailed inspection results as per the plan. Display a real time SPC control chart after each entry. Create First Article Inspection Reports (FAIR). Schedule inspections, collect and maintain data, perform statistical analysis, export data for additional analysis. Develop a comprehensive Control Plan and link it to the test plan. It is ideal for the requirements of ISO 9001:2015, AS9100, etc. Cloud based or locally installed options are available.Starting Price: $249 -
11
XLSTAT
Lumivero
Transform your data analysis with XLSTAT — the ultimate statistics software that more than 150,000 users across 120+ countries rely on! With XLSTAT, you can easily explore, predict, visualize, customize, and share your results without ever leaving Microsoft Excel. And with advanced features devoted to sensory analysis, marketing, life sciences, and quality, XLSTAT lets you unlock the full potential of your data from day one. XLSTAT is a powerful yet flexible Excel data analysis add-on that allows users to analyze, customize and share results within Microsoft Excel. With over 240 standard to advanced statistical features available, XLSTAT is the preferred tool for statistical analysis in businesses and universities, large and small, and for 100,000+ users in over 120 countries across the world.Starting Price: $275.00/year/user -
12
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 -
13
StartProto
StartProto
StartProto seamlessly integrates with your existing workflows. From quote to cash, modernize all your manufacturing processes and optimize your operations with our lightweight but powerful software. Accurately calculating the cost of producing parts or services is crucial for job shops in order to stay competitive and profitable. With traditional quoting methods, it can be difficult to take into account all the necessary factors, such as run time, setup time, and material cost, leading to inaccuracies and potential financial losses. Our software allows job shops to take into account all these factors in the quoting process. By incorporating run time, setup time, and material cost into the calculation, manufacturers can produce more accurate quotes and avoid underbidding or overcharging for their products and services. This helps to stay competitive in the market, by providing transparent and fair prices to customers.Starting Price: $99 per month -
14
EngineRoom
MoreSteam
EngineRoom powers process improvement with a complete set of problem-solving tools. EngineRoom combines graphical, statistical, and modeling tools for organizing and managing your projects. Analyze your data, manage projects, and map and model processes. Using EngineRoom's intuitive drag-and-drop interface, you can avoid the steep learning curve of desktop data analysis software. EngineRoom includes interactive, patented wizards for both hypothesis testing and design of experiments (DOE) that step you through how to properly analyze your data and clearly report your results. With no installation on client desktops, complex licensing files, or dedicated hard drive storage to manage, you can instantly get up and running. Access your projects from any web browser by signing into your account. When you return to your projects from anywhere, your data and results are saved just the way you left them.Starting Price: $449 per year -
15
SQCpack
PQ Systems
SQCpack by PQ Systems is a robust statistical process control (SPC) application that helps businesses analyze their data, understand and improve their processes, and communicate important quality information. SQCpack combines powerful SPC techniques, flexibility, and easy deployment and operation, which helps optimize process performance and productivity. SQCpack is easily scalable, whether for use on a single line or in a global multi-site operation. Organizations worldwide have selected SQCpack to harness the power of data analysis to increase customer satisfaction, improve audit success, and meet quality compliance requirements. -
16
Analyse-it
Analyse-it Software
The powerful statistical modelling & analysis you'd expect from an expensive statistics package. Includes multiple regression & model-fitting, ANOVA, ANCOVA, multiple comparisons, principal component analysis (PCA), factor analysis & hypothesis testing and other tools for exploratory data analysis. Statistical process control and quality improvement tools to meet customer expectations and keep them satisfied. Meet regulatory compliance demands with analytical and diagnostic method validation and verification. All the power of Analyse-it, combining all the features of the other editions. We've developed statistical software for more than 25 years, have a reputation for high-quality software, and have worked worked with some large companies on the back of that solid reputation. -
17
QC-CALC SPC
Prolink
QC-CALC SPC is a complete SPC package that analyzes the data collected by QC-CALC Real-Time. Use QC-CALC SPC’s charts and reports to constantly monitor your process and keep it in control. QC-CALC SPC offers a wide variety of charts and functions to aid your analysis and give you the power to make on-the-spot decisions. In seconds, QC-CALC SPC gives you a precise picture of how your production line is performing with easy-to-use menus. Group data from multiple sources, filter it, monitor the shop floor, and run charts with a couple clicks. QC-CALC Real-Time reads CMM and gage data and saves it to the network database making the results available to QC-CALC SPC. QC-CALC SPC opens the same database from your office or other remote location allowing you to monitor what is happening in the data collection area. As data is collected, your SPC plots are continuously updated to show you live results from the shop floor.Starting Price: $1650 one-time payment -
18
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 -
19
Siemens Opcenter Quality
Siemens
Siemens Opcenter Quality (formerly IBS QMS Professional) is a quality management system (QMS) that enables organizations to safeguard compliance, optimize quality, reduce defect and rework costs and achieve operational excellence by increasing process stability. The integrated process capabilities (control charts, statistics, quality gates) can detect production errors to avoid further processing and shipment of nonconforming material. Siemens Opcenter Quality brings higher integration between processes, global user groups and manufacturers to suppliers. Siemens Opcenter Quality is a process-oriented, modular system that supports the closed-loop quality product lifecycle, managing complexities for planning, control and monitoring of processes and corporate quality. It is a multi-lingual, cross-industry computer-aided quality (CAQ) solution that supports the ability to fulfill international quality standards including DIN EN ISO 9000, IATF 16949:2016, Q101 and VDA 6.1 and others. -
20
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 -
21
FSWorks
Symbrium
FSWorks™ offers robust graphical interfaces that display quality & production data in real-time, providing immediate factory insights. FS.Net™ connects it with quality analysis, process performance insights and compliance reporting on-site or remotely wherever you are. Our philosophy is simple: We partner with our clients and go above and beyond to help you accomplish your goals. We are a dynamic company and everyone on our team is empowered to make decisions according to the Symbrium Way. Factory Systems™ provides Statistical Process Control (SPC) software, rugged factory floor workstations, Enterprise Quality Data Management Systems, Supervisory Control and Data Acquisition (SCADA) systems, Operational Equipment Effectiveness (OEE) systems, ANDON systems, Process Monitoring systems, Human Machine Interface (HMI) solutions, Part ID and Tracking systems and other pre-packaged and custom software tools and hardware solutions to manufacturing and product testing operations worldwide. -
22
InfinityQS
Advantive
InfinityQS is the leading global provider of Statistical Process Control (SPC) software solutions for manufacturing optimization. Powered by our advanced SPC analytics engine, our cloud-based and on-premise SPC solutions capture and centralize critical production data, enabling manufacturers to get extraordinary value from their data to optimize performance, improve process capability, enhance productivity, and make smarter decisions. Our manufacturing solutions are also highly configurable, with enterprise, multiple-site, and single-site solutions available to fit the needs of simple to complex manufacturing environments. -
23
AVEVA Intelligence
AVEVA
Dashboard, reports, and other tools are only as good as the data they access. Taken individually, data sources generally bring valuable information to end users. However, when data sources are assembled together in a single, trusted data set covering industrial operations as a whole, the business value of visualization tools thrives. Intelligence synthesizes data from across the plant, revealing relationships that would be all but invisible otherwise. It models big data into manageable chunks, so that industrial teams can track performance against the metrics that matter most – in time enough to make a difference. Gain new insights into optimization potentials that may be hidden in disconnected functional domains or in separate datasets. By providing a single version of the truth and contextualizing data, Intelligence helps you make strategic sense out of your production data. -
24
CAQ.Net
CAQ AG Factory Systems
CAQ AG Factory Systems has established itself as one of the worldwide leading providers of quality management software. We have over 30 years of experience in the development and distribution of modular, multilingual, and industry-specific management solutions for small and medium-sized enterprises as well as multinational corporations. Our CAQ.Net software suite covers every aspect of computer aided quality assurance and was designed with the highest degrees of adaptability and customizability in mind. Just like a construction kit, our system allows you to pick the most suitable building blocks and thereby create the perfect solution to your individual quality management demands. Why CAQ.Net? Updates, Upgrades & Release Changes Support from QM & IT Professionals User Workshops Screencasts Conformity to Standards Information Security SaaS or On-Premises Floating Licenses Multitenancy Multilingual No-Code-Designer Validation Capability AI Assistants ... -
25
SigmaXL
SigmaXL
SigmaXL was designed from the ground up to be a cost-effective, powerful, but easy to use tool that enables users to measure, analyze, improve and control their service, transactional, and manufacturing processes. As an add-in to the already familiar Microsoft Excel, SigmaXL is ideal for Lean Six Sigma training or use in a college statistics course. Version 9 adds Time Series Forecasting and advanced control charts. Click here to view the features available in SigmaXL! Automatic removal of extreme VIF or collinear terms (with alias and removal report) Specify interactions, quadratic and higher orders (all interactions or up to 3-Way). ANOVA Type I and/or Type III Sum-of-Squares with Pareto of Percent Contribution and Standardized Effects. Lenth Pseudo Standard Error for Saturated Models (Orthogonal or Non-Orthogonal) with Monte Carlo or Student T P-Values. White robust standard errors for non-constant variance (Heteroskedasticity-Consistent).Starting Price: $249.00/one-time/user -
26
Predisys Analytical Suite
Predisys
Predisys develops quality control, test data management and manufacturing business intelligence solutions for companies seeking to optimize product quality and process efficiency, reduce the cost of compliance, and enhance manufacturing visibility across the product life cycle and supply chain. Its flagship solution, Predisys Analytical Suite, comprises of tools for collecting and managing quality and performance measurement data from multiple data sources for analysis and reporting, using powerful statistical process control (SPC) methods and robust statistical, analytical and data visualization tools. It is the ideal software for turning vast amounts of inspection and test data into actionable information. Predisys’ enterprise solution for medical device, diagnostics, biotech and pharmaceutical companies is FDA compliant and facilitates a cost-effective, flexible and surprisingly simple transition from paper-based records to a fully automated system for electronic management. -
27
QC Weigh Software
Doran Scales
Reports organized by product line, sample number, and product can be sent by email to provide a snapshot of daily production performance. Record all weighments on the factory floor and view performance by product, operator and line. Remotely manage employee productivity and control scales, changing tolerances, assigning scales to groups, or adding product ID’s. Doran can ensure that data is fully integrated with Statistical Process Control (SPC) systems and other enterprise software. All software utilizes SQL Express Database. QC Weigh is designed for the 2200CW, a versatile checkweigher that delivers for speed, durability, and versatility. From the Master Product list, simply enter the Product ID, Description field, Checkweigh parameters, and Tare weights and then select the scale or scales to upload to or download from. Available management reports organized by product line, sample number, and product can be generated at pre-determined intervals. -
28
IntraStage
IntraStage
Our software has been designed to efficiently manage the challenge of megabyte to terabytes of Test Data and Product Quality in any format coming from R&D, Supply Chain, Repair and Manufacturing Environments. Our talented and committed team has over 100+ man years of experience and have been working with Fortune 1000 companies in the Aerospace & Defense, Consumer Electronics, Industrial and Medical Device industries since 2006. -
29
Synergy SPC
Zontec
Every Synergy SPC product gives you exceptional control over your processes. You’ll get automatic real-time alerts when measurements exceed an acceptable range, so corrective action can be taken immediately. The result is reduced scrap and rework, enhanced productivity, improved quality, and increased morale on the shop floor. Zontec gives you instant collaboration so your manufacturing team can make quality a proactive part of your business. Rich in features and functionality, our Synergy SPC software serves over 5000 companies in more than 50 countries. All functions--data collection, charting, monitoring, analysis, communication, and reporting—operate from a single screen. You can create files, enter data, create charts, query samples, and generate reports as fast as you can click a mouse. Synergy 1000 is designed so all information can be immediately viewed by or emailed to the appropriate person instantly. -
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SPC1+ Navigator
Advanced Systems & Designs
With SPC1+ Navigator Software, users employ the Desktop Explorer screen to create and modify Worksets, monitor all data collection processes, manage the database and generate reports. The Workset screen uses predefined profiles based on each operator’s preset log-on preferences. The system automatically creates a date and time stamp, performs data validation and traceability while also identifying problems and suggesting corrective actions. Very similar to our SPC1+ Enterprise software with a few less features. Click on the link below or contact us today for more information. Designed for use with our SmartCable™ Keyboard or GageMux® Keyboard, this very affordable Microsoft Excel Add-on leverages the power of the most popular spreadsheet program and connects it to years of SPC software development.Starting Price: $995 one-time payment
