The Top 10 Test Automation Tools of 2025

Software testing is a critical discipline for every business, in every industry. The tools you use to test and validate software have a direct impact on customer satisfaction, employee productivity, and operational resilience. 

Today’s leading platforms do more than automate—they leverage AI to accelerate testing. The right platform reduces risk, ensures operational continuity, and accelerates delivery.  The wrong one slows delivery, increases cost, and compromises reliability. 

So, what should you look for in a modern test automation solution—and which vendors are leading the way in 2025?  

This overview introduces top tools in the automated testing landscape, with a specific focus on functional testing. For a deeper dive into key features, capabilities, and vendor comparisons, download our Test Automation Comparison Chart to guide your decision-making. 

Skip ahead to:

What are test automation tools?

What to consider when choosing a test automation tool

The top 10 best test automation tools of 2025

Taking your research a step further

What are test automation tools? 

Test automation tools are software applications that assist in the execution of tests by automating repetitive tasks, which are typically performed manually.  

Read about the differences between manual testing and automated testing 

These tools validate the functionality and performance of software applications by simulating user interactions, comparing the actual outcomes with expected results, and (in some cases) generating detailed reports. 

Read about the different types of functional testing in software testing 

The power of test automation is in its ability to increase the efficiency, speed, and coverage of testing while reducing human error. By using these tools, organizations can ensure consistent software quality, streamline their development processes, and enable continuous testing. 

What to consider when choosing a test automation tool

Choosing the right test automation tool starts with clearly defined evaluation criteria. Your team’s needs will vary based on size, complexity, and goals. So, it’s essential to align capabilities with business outcomes and ROI expectations. 

Here are key factors to consider as you assess your options: 

1. Technology coverage
   Ensure the tool supports the full range of platforms and technologies in your environment: web, desktop, mobile, APIs, and legacy systems. Seamless integration with your existing tech stack is critical for scalability and long-term value.
2. Coding requirements
   Evaluate whether the tool requires programming skills to build and maintain tests. Tools reliant on scripting can limit participation to developers, creating bottlenecks and increasing TCO. No-code or low-code options enable broader team involvement and faster coverage expansion.
3. Open-source vs. licensed
   Open-source tools may offer flexibility and lower upfront costs but often require more setup and technical expertise. Licensed tools typically offer faster implementation, dedicated support, and a lower total cost of ownership over time.
4. Ease of use & time-to-value
   Look for tools with an intuitive interface and quick onboarding. High usability accelerates adoption across technical and non-technical teams, reduces ramp-up time, and improves ROI.
5. Support & vendor partnership
   Strong, responsive support is essential—especially for complex implementations. Choose a vendor with a track record of reliable customer service to ensure ongoing success and minimize disruptions.
6. End-to-end testing capabilities
   Opt for a solution that can automate tests across your entire ecosystem, not just web. True end-to-end testing across multiple systems and environments ensures full coverage of business-critical workflows.
   

Related: Read our end-to-end testing guide here

The top 10 best test automation tools of 2025

In this section, we provide a brief overview of the top 10 test automation tools for functional testing. 

For each tool, you’ll find a short introduction including which technologies and organizations the tool typically targets.  

How we picked the best test automation platforms 

Each tool has been evaluated for capabilities we know are important for many companies that are seeking to implement a test automation platform, including: 

Overall platform capabilities 

• Ease of use: To what extent can the platform support different skill levels? Does the platform compromise ease of use for the ability to build complex data-driven tests?  

• Collaboration, reusability, and standardization: Does the tool or platform support easily reusable test flow components for accelerated regression testing and standardization of best practices? 

• Maintainability: How do the tools support speed of maintenance and/or eliminate redundant scripting? Does the tool automatically apply any updates in all tests containing the logic and how does this impact your existing systems. 

• Speed and scalability: Does the platform offer parallel execution? Does the tool or platform automatically enable failed flows to reprocess? 

• Test data management: Does it come with AI-powered test data transformation, generation, and extraction? 

• Defect identification, visual debugging, and remediation: Can you easily see the root cause via video recordings, data-level insight, and activity logs? 

Test coverage 

• Web testing: Does it support comprehensive cross-browser testing capability across modern browsers (Chrome, Edge, Firefox, Safari)? 

• Desktop testing: Does it support tests on desktop-based applications? 

• Mobile testing: Does it support testing for mobile applications? 

• End-to-end testing (E2E): Will it enable testing across multiple complex business packages and/or custom applications within a business process? 

• AI testing (Logic validation): Does it support testing of AI application logic and algorithms?  

Test analytics 

• Comprehensive test analytics: Does it provide insightful analytics and test execution results?  

Connectivity & integrations 

• Cloud-based services: Can it utilize cloud-services to enhance automation and data processing? 
• DevOps integration: Does it support CI/CD and test plan integrations? Does it fit your existing pipeline investments?  
  

Enterprise readiness 

• Parallel test execution: Will it provide scalable testing for multiple concurrent test cases? 
• Enterprise governance and compliance: To what extent will it enable tamper-proof audit logs, video-based reporting, and secure access control and provisioning? 

1. Leapwork

A no-code test automation platform ideal for enterprises seeking comprehensive end-to-end test automation across business processes and systems. Reusable test flows and dynamic regression testing promote standardization, productivity, and accelerated testing across distributed teams. With built-in AI capabilities and broad platform support, Leapwork is for testers of varying skill levels and fits a broad range of use cases across complex enterprise environments. 

• Platform capabilities: Fully visual no-code automation, reusable, composable test flows, dynamic regression updates, and hyper-visual debugging. 
• Test coverage: Comprehensive support across web, desktop, mobile, mainframe, AI validation, and end-to-end testing. 
• Test analytics: Built-in analytics with dashboards, detailed execution reports, and compliance-ready audit trails. 
• Connectivity & integrations: Strong native CI/CD integration through public REST API (eg. with Azure DevOps, Jenkins, Jira etc.) and cloud-based execution. 
• Enterprise readiness: Scalable parallel execution, robust enterprise governance, compliance, and secure role-based access. 

2. Microsoft RSAT

Free, basic automation tool exclusively for Microsoft Dynamics 365. Best suited for SMBs with straightforward regression testing needs, low automation requirements, and for organizations with script-savvy users and limited budgets.  

• Platform capabilities: No reusable test flows, visual debugging, or resiliency features. 

• Test coverage: Dynamics 365 web UI only. 

• Test analytics: Minimal logs; lacks advanced analytics features. 

• Connectivity & integrations: Limited primarily to Azure DevOps; no cloud capabilities. 

• Enterprise readiness: Limited scalability, basic governance, lacks enterprise-level compliance features. 

3. Selenium

Open-source, developer-centric web automation framework ideal for highly technical teams managing custom frameworks and scripting. 

• Platform capabilities: Script-based automation, no reusable test components or autonomous resiliency features, no visual debugging. 

• Test coverage: Web automation only, lacks native mobile/desktop/mainframe or E2E capabilities. 

• Test analytics: No built-in analytics, requires third-party integration for reporting. 

• Connectivity & integrations: External CI/CD integrations only. 

• Enterprise readiness: Not accessible for non-technical employees, lacks built-in enterprise governance and compliance. 

4. Microsoft Playwright

Developer-oriented, lightweight automation framework ideal for agile and programming-savvy teams. Particularly suited to CI/CD with GitHub integration. 

• Platform capabilities: Code-based with reusable scripts, lacks autonomous resiliency and visual debugging. 

• Test coverage: Cross-browser web automation; mobile web via emulation; (not native apps), lacks desktop/mainframe/E2E capabilities. 

• Test analytics: External integrations required. 

• Connectivity & integrations: Strong GitHub Actions integration, cloud via third-party providers. 

• Enterprise readiness: Not accessible for non-technical employees, lacks built-in enterprise governance and compliance. 

5. Katalon

Hybrid low-code automation platform suited for small to mid-sized enterprises performing web, API, desktop, and mobile app testing. Good fit for moderate scripting expertise. 

• Platform capabilities: Visual and partial scripting required, limited reusable test flow components, no dynamic resiliency. 

• Test coverage: Web, desktop, mobile apps supported, limited mainframe and partial E2E support. 

• Test analytics: Robust built-in analytics via Katalon TestOps providing execution insights and defect tracking. 

• Connectivity & integrations: Strong CI/CD integrations and cloud-based execution. 

• Enterprise readiness: Moderate scalability, developing governance and compliance features for mid-sized organizations. 

6. Tricentis Tosca

Enterprise-grade automation platform ideal for regulated industries. Known for their SAP partnership, the platform has considerable test coverage.  

• Platform capabilities: Model-based automation, reusable flows. Lacks autonomous resiliency and dynamic updates. 

• Test coverage: Comprehensive coverage: web, desktop, mobile, mainframe, and E2E across complex enterprise stacks. No dedicated AI logic validation. 

• Test analytics: Advanced analytics with risk-based insights and detailed execution reporting. 

• Connectivity & integrations: Excellent CI/CD pipeline integration and cloud compatibility. 

• Enterprise readiness: High scalability, strong compliance, governance, and secure access control. 

7. The TestMart

Cloud-based automation focused exclusively on Dynamics 365. Best suited for SMBs needing prebuilt test scenarios and with moderate complexity in automation. 

• Platform capabilities: Reusable modular test cases optimized for D365, moderate resiliency and visual debugging. 

• Test coverage: Dynamics 365 web UI testing, limited E2E. Lacks mobile, desktop, mainframe capabilities. 

• Test analytics: AI-driven analytics providing detailed reporting and execution insights. 

• Connectivity & integrations: Integration primarily with Azure DevOps.  Moderate cloud support. 

• Enterprise readiness: Suitable for SMB scalability. Basic governance, limited enterprise compliance. 

8. Executive Automats

No-code automation tool targeted enterprises needing ERP testing with minimal scripting. 

• Platform capabilities: Composable automation optimized for D365. Moderate resiliency and reusable test flows. 

• Test coverage: Strong Dynamics 365 web automation, moderate E2E capabilities. No desktop, mobile, or mainframe. 

• Test analytics: Comprehensive analytics with detailed execution logs and compliance auditing. 

• Connectivity & integrations: Strong CI/CD support (Azure DevOps, GitHub), cloud-based execution. 

• Enterprise readiness: Good scalability, robust enterprise compliance, and governance. 

9. Keysight Eggplant

Low-code automation tool suitable for broad multi-platform testing (web, mobile, desktop, mainframe, IoT) and moderate test coverage. Eggplant is one of many products from Keysight Technologies.  

• Platform capabilities: AI-powered test flows, low or no support for dynamic regression testing, reusable test flows, and hypervisual debugging. 

• Test coverage: Comprehensive platform support including web, desktop, mobile, mainframe, IoT. Strong E2E testing. 

• Test analytics: AI-enhanced detailed analytics for execution performance and test quality. 

• Connectivity & integrations: Robust cloud and CI/CD integrations for continuous testing. 

• Enterprise readiness: Highly scalable parallel testing. Strong governance, compliance, and security. 

10. SmartBear TestComplete

Low-code test automation platform ideal for mid-sized enterprises performing moderate desktop, web, and mobile app testing. Suited for teams seeking broad coverage with minimal scripting and low capability needs for testing. 

• Platform capabilities Low-code modular automation. Limited dynamic regression updates and partial resiliency features. 

• Test coverage: Strong desktop, web, mobile support. Moderate E2E testing capabilities, no mainframe. 

• Test analytics: Built-in analytics offering detailed test execution and failure insights. 

• Connectivity & integrations: Good CI/CD integrations and cloud execution within SmartBear ecosystem. 

• Enterprise readiness: Moderate scalability. Developing governance and compliance suited for SMBs. 
  

Conclusion: taking your research a step further

With a sea of tools to choose from, there are at least three key considerations to keep top of mind.  

• Ease of use: A user-friendly test automation tool not only reduces the learning curve but also allows more team members to participate, increasing overall efficiency and ROI. This can be a game-changer for teams with both technical and non-technical members working together. 

• Customer support: Strong customer support ensures your team can tackle challenges quickly, minimizing downtime and costly delays. When using a complex or code-heavy tool, this support can be the key to maximizing its value without needing to rely on external consultants. 

• Technology compatibility: Ensuring the tool supports all the platforms and technologies your business relies on is essential for achieving comprehensive test coverage. This flexibility enables true end-to-end testing, allowing you to automate across different environments seamlessly, which reduces the need for multiple tools and simplifies your testing strategy. 

These considerations ensure that you can gain the maximum adoption rate, scale your automation, and get a quick return on investment for your tool. 

Take this knowledge a step further by downloading our comprehensive test automation tools comparison chart, and see which tool suits your team's needs and business requirements.