Best PLC Software for Professionals

Industry-leading PLC software platforms used by professional automation engineers worldwide.

6 Options ComparedUpdated 2025Expert Rankings

Quick Picks

Top Pick

CODESYS

CODESYS GmbH (3S-Smart Software Solutions)

85$
🏆 Best Overall

FREE basic version - perfect for learning

Runner-Up

GX Works3

Mitsubishi Electric

81$$
🥈 Excellent Choice

User-friendly interface, easier learning curve

Budget Pick

CODESYS

CODESYS GmbH (3S-Smart Software Solutions)

85$
💰 Best Value

FREE basic version - perfect for learning

Complete Rankings

RankSoftwareScorePriceLearningAdoption
1🏆
CODESYS
CODESYS GmbH (3S-Smart Software Solutions)
85
$beginner-intermediate70%
2🥈
GX Works3
Mitsubishi Electric
81
$$beginner-intermediate65%
3🥉
TIA Portal
Siemens
77
$$$intermediate85%
4
RSLogix 500/5000
Rockwell Automation / Allen-Bradley (Legacy)
76
$$intermediate75%
5
Studio 5000
Rockwell Automation / Allen-Bradley
72
$$$intermediate80%
6
FactoryTalk
Rockwell Automation
62
$$$intermediate-advanced70%

Detailed Reviews

#1

CODESYS

CODESYS GmbH (3S-Smart Software Solutions)

85
Overall Score
Pricing
100
Ease of Use
70
Features
86
Adoption
83
Community
100
Career
77

Key Highlights

  • FREE basic version - perfect for learning
  • Supports wide range of hardware (500+ manufacturers)
  • Pure IEC 61131-3 standard compliance

Considerations

  • !Less recognized brand than Siemens/Rockwell
  • !Professional features require paid add-ons

Best For

Learning PLC programming and IEC 61131-3Students and hobbyists (free version)OEM machine buildersEmbedded automation projects
Learning Time
2-4 months
Price Range
$0-$2,000
Free Trial
Yes
Certification
Available
#2

GX Works3

Mitsubishi Electric

81
Overall Score
Pricing
75
Ease of Use
80
Features
86
Adoption
80
Community
91
Career
74

Key Highlights

  • User-friendly interface, easier learning curve
  • More affordable than competitors
  • Strong in Asia-Pacific market

Considerations

  • !Less common in North America
  • !Smaller community compared to Siemens/Rockwell

Best For

Asian manufacturing facilitiesAutomotive component manufacturersElectronics and semiconductor industriesSmall to medium-sized automation projects
Learning Time
1-3 months
Price Range
$1,000-$5,000
Free Trial
Yes
Certification
Available
#3

TIA Portal

Siemens

77
Overall Score
Pricing
50
Ease of Use
50
Features
79
Adoption
95
Community
100
Career
85

Key Highlights

  • Industry-leading integration with Siemens hardware
  • Comprehensive all-in-one solution
  • Excellent documentation and training materials

Considerations

  • !Expensive licensing costs
  • !Steep learning curve for beginners

Best For

Professional Siemens automation engineersLarge-scale industrial automation projectsIntegrated machine and plant automationSafety-critical applications
Learning Time
3-6 months
Price Range
$1,500-$15,000
Free Trial
Yes
Certification
Available
#4

RSLogix 500/5000

Rockwell Automation / Allen-Bradley (Legacy)

76
Overall Score
Pricing
70
Ease of Use
60
Features
74
Adoption
85
Community
100
Career
74

Key Highlights

  • Massive installed base - many jobs still require it
  • Well-understood and documented
  • Stable, mature platform

Considerations

  • !No longer actively developed (legacy software)
  • !Being phased out in favor of Studio 5000

Best For

Maintaining existing MicroLogix/SLC 500 systemsCompanies with large legacy installationsLearning fundamentals before Studio 5000Retrofit and upgrade projects
Learning Time
2-4 months
Price Range
$1,000-$10,000
Free Trial
No
Certification
Available
#5

Studio 5000

Rockwell Automation / Allen-Bradley

72
Overall Score
Pricing
45
Ease of Use
50
Features
77
Adoption
88
Community
100
Career
76

Key Highlights

  • Dominant in North American market - high job demand
  • Excellent integration with Rockwell ecosystem
  • Strong motion control capabilities

Considerations

  • !Very expensive licensing model
  • !Limited to Allen-Bradley/Rockwell hardware

Best For

North American automation professionalsAllen-Bradley/Rockwell installationsOil and gas industry applicationsMining and material handling
Learning Time
3-6 months
Price Range
$2,000-$20,000
Free Trial
No
Certification
Available
#6

FactoryTalk

Rockwell Automation

62
Overall Score
Pricing
45
Ease of Use
40
Features
48
Adoption
83
Community
100
Career
70

Key Highlights

  • Industry standard for Rockwell SCADA
  • Seamless integration with Studio 5000
  • Powerful alarming and trending

Considerations

  • !Very expensive licensing
  • !Complex to learn and master

Best For

Large-scale SCADA systemsMulti-site monitoring and controlEnterprise Rockwell installationsOil and gas operations
Learning Time
4-8 months
Price Range
$3,000-$25,000
Free Trial
No
Certification
Available

Our Methodology

Our rankings are based on a comprehensive scoring system that evaluates each software across six key criteria:

Pricing (15%)

Cost-effectiveness, free trials, educational discounts, and overall value for money.

Ease of Use (15%)

Learning curve, interface design, documentation quality, and beginner-friendliness.

Features (25%)

Capabilities, hardware support, programming languages, and advanced functionality.

Industry Adoption (20%)

Market share, regional presence, and acceptance across industries.

Community Support (10%)

Forums, documentation, tutorials, user groups, and third-party resources.

Career Value (15%)

Job market demand, certification availability, and long-term career prospects.

All data is collected from official vendor sources, user reviews, industry surveys, and our own testing. Rankings are updated regularly to reflect current market conditions.

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