Top 296 Software Testing Tools SaaS Companies in May 2026

Stillwater, Minnesota, United States

Easily Find and Reproduce JavaScript Errors.

Mountain View, California, United States

On demand ephemeral environments to run manual and automated tests.

United States

Product Benefits Streamlined Bug Reporting: Replicate simplifies the process of reporting bugs by allowing users to submit Loom videos and annotated screenshots, providing developers with clear, actionable insights Improved User Experience: By reducing the back-and-forth communication, issues are resolved faster, enhancing user satisfaction and reducing potential revenue loss. Ease of Deployment: The platform can be set up in less than five minutes without requiring any browser extensions or credit card information. How It Works Visual Feedback Collection: Users report issues using Loom videos or annotated screenshots. Developer Insights: This visual feedback helps developers quickly understand and address the problems.

Palo Alto, California, United States

GrowthBook is an open-source feature flagging and A/B testing platform designed for developers and data teams. It allows companies to safely release new features, run experiments, and measure their impact using data. GrowthBook integrates with your existing data sources, supports custom metrics, and provides full control over experimentation logic, making it ideal for teams that need flexibility and transparency in their feature deployment and testing processes.

United States

Speedscale develops a test automation solution that helps dev teams fix application issues before release.

Stanford, California, United States

Realtime code review for AI generated code

Zug, Zug, Switzerland

Int4 is a Switzerland-based company that designs and delivers enterprise integration solutions for SAP software. It has successfully completed over 116 international SAP projects for enterprise-level companies. Whether you're conducting complex digital transformation projects, SAP S/4HANA projects, or integration platform-as-a-service (iPaaS) migrations, the Int4 Suite is just the right tool to speed up testing and help you ensure the continuity of your business. Int4 Suite lets you eliminate the external dependencies of non-SAP and external application teams. And unlike other solutions, it can be set up in weeks or even days. Plus, Int4 products don't require any additional hardware and can be set up in self-service mode.

Stockholm, Stockholm, Sweden

Stockholm-started k6, simplifies and automate load and performance testing for agile software development teams. Our easy-to-use tools are used by modern development organizations from all corners of the world. Through integration with other leading automation and Continuous Integration tools, we get performance testing available early in the development cycle. Test your site, API or web-based software with k6.io

San Francisco, California, United States

Escape is the only DAST that works with your modern stack and tests business logic instead of missing headers. It fits right into your modern stack, supporting modern web frameworks, APIs, CI/CD, and Wiz without hassle. With Escape, you can: 1. Document all your APIs & Web Apps in minutes and enrich your inventory with seamless integrations. 2. Discover vulnerabilities even at a business logic level with our proprietary AI-powered algorithm. 3. Remediate issues efficiently with code snippets tailored to each framework

United States

🤖⚡ MuukTest makes it effortless for growing engineering teams to ensure software quality–getting them to 95% end-to-end coverage within three months. All without the usual overhead.