The Best SCADA Software in 2026
AVEVA System Platform is the top-ranked SCADA software of the 20 we ranked (9.3/10), best for large, distributed industrial operations. AVEVA Plant SCADA is the runner-up (9.2/10), and Ignition is the highest-ranked option with a listed free plan (7.8/10). We researched SCADA software using official vendor websites, including pricing pages, plan tables, and product documentation. Rankings focus on the category’s core job, value for money, and verified features relevant to monitoring and controlling industrial processes. Compare platforms for deployment fit, connectivity, visualization, and operational needs.
Our top picks
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Top ranked
AVEVA System Platform#1 of 209.3/10A broad SCADA platform built for complex, multi-facility operations.
Pricing on request
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Runner-up
AVEVA Plant SCADA#2 of 209.2/10Plant-focused SCADA with broad protocol support, alarm workflows, redundancy, and browser access.
Pricing on request
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Top-ranked free plan
Ignition#8 of 207.8/10Flexible SCADA with broad industrial connectivity and a free non-commercial edition.
Free plan
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
The full ranking 20 tools, best first
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Best forLarge, distributed industrial operations
A broad SCADA platform built for complex, multi-facility operations.
9.3/10★★★★★Contact AVEVA -
Best forIndustrial plants needing mature supervisory control
Plant-focused SCADA with broad protocol support, alarm workflows, redundancy, and browser access.
9.2/10★★★★★Visit AVEVA -
Best forTeams standardizing plant visualization on Siemens systems
A configurable Siemens HMI and SCADA line for visualization, alarms, and process data.
9.1/10★★★★★Visit Siemens -
Best forTeams needing broad device connectivity
Broad protocol coverage and redundant SCADA capabilities for connected industrial operations.
9.0/10★★★★☆Visit AVEVA Edge -
Best forUtilities and plants needing protocol breadth and failover
A broad SCADA/HMI platform with historian, alarm analysis and failover capabilities.
8.8/10★★★★☆Visit COPA-DATA -
Best forRenewable operators monitoring generation and storage sites
A renewable-focused SCADA system with alarms, historian, KPI calculations and reporting.
8.4/10★★★★☆Contact Emerson -
Best forTeams needing long trials and redundant SCADA servers
SCADA with built-in history, broad protocol support, and redundant server options.
7.9/10★★★★☆Visit VTScada -
Best forTeams wanting flexible SCADA with a free starting option
Flexible SCADA with broad industrial connectivity and a free non-commercial edition.
7.8/10★★★★☆Visit Ignition -
Best forTeams needing broad PLC connectivity
A configurable SCADA/HMI system with free options, web panels and broad PLC connectivity.
7.7/10★★★★☆Visit PROMOTIC -
Best forBudget-conscious teams seeking open-source process control
A self-hosted SCADA platform with core monitoring, control, alarms, archiving and reporting.
7.6/10★★★★☆Visit Rapid SCADA -
Best forTeams wanting integrated SCADA and IEC 61131-3 tools
An integrated SCADA/HMI suite with runtime control and IEC 61131-3 tools.
7.5/10★★★★☆Visit TRACE MODE -
Best forSmall teams wanting open-source browser-based SCADA/HMI
Open-source SCADA/HMI with browser-based editing, industrial protocols and a built-in historian.
7.4/10★★★★☆Visit FUXA -
Best forTeams wanting browser-native SCADA with advanced monitoring
A browser-native SCADA suite with broad protocol support and advanced monitoring.
7.3/10★★★★☆Visit ScadaHud -
Best forEnterprise teams needing ISA-18.2 alarms and web access
A distributed SCADA and information system with ISA-18.2 alarms and HTML5 access.
7.2/10★★★★☆Visit Yokogawa -
Best forTeams needing mobile-friendly HMI/SCADA and historization
GENESIS brings HMI/SCADA, alarms, trends, and historization to desktop, web, and mobile clients.
7.1/10★★★★☆Visit GENESIS -
Best forSmall teams seeking free, basic web-based SCADA
A self-hosted SCADA option for browser-based monitoring, logging and alarms.
7.0/10★★★★☆Visit Scada-LTS -
Best forTeams controlling device networks built around TANGO
A device-oriented framework for controlling and monitoring hardware and software.
6.9/10★★★☆☆Visit TANGO Controls -
Best forPlant and infrastructure teams needing core SCADA functions
Core SCADA for centralized industrial monitoring, control, alarms, and history.
6.7/10★★★☆☆Visit FAST/TOOLS -
Best forManufacturers prioritizing production tracking over SCADA
MES-focused production tracking for manufacturers, not a SCADA-first control system.
3.0/10★★☆☆☆Contact Sales -
Best forManufacturers with finite-capacity production
A constraint-based scheduler for manufacturing, not a SCADA monitoring and control system.
2.5/10★☆☆☆☆Contact Rockwell
No tools match those filters.
Compare at a glance
| # | Tool | Free plan | Paid from | Deployment options | Protocol support | Alarm management | Built-in historian | Score |
|---|---|---|---|---|---|---|---|---|
| 1 | AVEVA System Platform | Hybrid | OPC-UA, MQTT, DNP3, Modbus, IEC 60870 | Yes | Yes | 9.3 | ||
| 2 | AVEVA Plant SCADA | On-premises | OPC UA, BACnet, IEC 61850, Modbus, DNP3, IEC 60870; 150+ native protocol drivers | Yes | Yes | 9.2 | ||
| 3 | SIMATIC WinCC | No | On-premises | OPC UA, REST, MQTT, Modbus TCP/IP, PROFIBUS DP, Allen-Bradley Ethernet/IP, Mitsubishi Ethernet, Omron Ethernet/IP | Yes | Yes | 9.1 | |
| 4 | AVEVA Edge | Hybrid | Modbus, MQTT Sparkplug B, OPC UA, OPC DA, OPC XML, OPC HDA, Allen-Bradley, Siemens, Mitsubishi, Omron, Schneider Electric | Yes | Yes | 9.0 | ||
| 5 | zenon Software Platform | No | IEC 61850; DNP3; IEC 60870-5 (101/103/104); Modbus; ICCP/TASE.2; OPC UA/DA; IEEE C37.118; IEC 61850-90-5; 62056-21; PROFINET; PROFIBUS; EtherNet/IP; CAN/CANopen; SNMPv3; Syslog | Yes | Yes | 8.8 | ||
| 6 | Ovation Green | Yes | Yes | 8.4 | ||||
| 7 | VTScada | No | On-premises | OPC UA, OPC DA, DNP3, IEC, DF1, DDE, SNMP, Modbus (Serial, TCP/IP, RTU), Enron Modus, Stevens, Campbell Scientific Pakbus, Delta, Motorola, GE, Siemens, BSAP, Omron, DFS, Allen-Bradley CIP, MQTT, JSON, Sparkplug B | Yes | Yes | 7.9 | |
| 8 | Ignition | Yes | OPC UA, MQTT, Modbus TCP, EtherNet/IP, Siemens S7, DNP3, BACnet | Yes | Yes | 7.8 | ||
| 9 | PROMOTIC | Yes | On-premises | S7, Modbus, IEC 870-5 (101/104), IEC 62056, DNP3, EtherNet/IP/CIP, MELSEC, S-BUS/S-BUS+, FINS, DirectNET, SNMP, M-BUS, BACnet, KNX, OPC UA, OPC DA, TCP/IP, HTTP, XML, DCOM | Yes | Yes | 7.7 | |
| 10 | Rapid SCADA | Yes | Free | On-premises | Modbus RTU, Modbus TCP, OPC UA, MQTT | Yes | Yes | 7.6 |
| 11 | TRACE MODE | Yes | On-premises | OPC DA, OPC HDA, OPC UA, Modbus, IEC 60870-5-104, SNMP, HART; vendor also documents native drivers and other protocols | Yes | Yes | 7.5 | |
| 12 | FUXA | Yes | Free | On-premises | Modbus RTU/TCP, Siemens S7, OPC UA, BACnet IP, MQTT, Ethernet/IP (Allen Bradley), WebAPI | Yes | Yes | 7.4 |
| 13 | ScadaHud | No | Hybrid | OPC UA, MQTT/Sparkplug B, Modbus TCP/RTU, Siemens S7, DNP3, IEC 60870-5-104, BACnet/IP, SNMP, REST API, SQL Server | Yes | Yes | 7.3 | |
| 14 | Collaborative Information Server | Hybrid | OPC UA, ODBC, IEC 60870-5, IEC 61850, MQTT, TCP/IP, DNP3, Modbus, HART, Vnet/IP and vendor drivers | Yes | Yes | 7.2 | ||
| 15 | GENESIS | On-premises | OPC Classic, OPC UA, BACnet, EtherNet/IP, Modbus, SNMP, Web Services, MQTT, AMQP, JSON | Yes | Yes | 7.1 | ||
| 16 | Scada-LTS | Yes | Free | On-premises | Modbus | Yes | Yes | 7.0 |
| 17 | TANGO Controls | Yes | Free | On-premises | CORBA; ZeroMQ; OpenPGM multicast for configured event transport | Yes | No | 6.9 |
| 18 | FAST/TOOLS | On-premises | Yes | Yes | 6.7 | |||
| 19 | GE Vernova Proficy Plant Applications | 3.0 | ||||||
| 20 | Rockwell Automation Finite Scheduler | 2.5 |
Head-to-head All 28 comparisons →
- AVEVA System Platform vs AVEVA Plant SCADA
- AVEVA System Platform vs SIMATIC WinCC
- AVEVA System Platform vs AVEVA Edge
- AVEVA System Platform vs zenon Software Platform
- AVEVA System Platform vs Ovation Green
- AVEVA System Platform vs VTScada
- AVEVA System Platform vs Ignition
- AVEVA Plant SCADA vs SIMATIC WinCC
- AVEVA Plant SCADA vs AVEVA Edge
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How we rank SCADA software
Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.
Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026
Last updated · How we research and update