Workflow Automation
Observe.AI provides AI-powered conversation intelligence for contact centers with real-time agent assist, QA automation, and coaching analytics.
Per seat
2017201-500San Francisco, California
Testing & QA
Software testing platforms that help development teams automate unit tests, integration tests, and end-to-end testing across applications.
AI Software Testing
Software testing platform offering API, UI, and DevOps tools for quality engineering.
Custom quote · Free trial
1987201-500Monrovia, USA
Test Automation Frameworks
Full-featured Python testing framework that makes it easy to write small tests and scales to support complex functional testing.
Free · Free plan
20041-10Remote
Developer Experience Platforms
Open-source email testing service that acts as a disposable inbox for development and QA workflows.
Free · Free plan
20122-10Remote
A/B Testing
PHP testing framework with BDD-style syntax supporting unit, functional, and acceptance testing in a single tool.
Free · Free plan
20111-10Remote
API Testing Platforms
Open source HTTP mock and validation server that generates realistic responses from OpenAPI specifications.
Free · Free plan
201551-200Austin, TX
AI Software Testing
Mobile app testing and replay platform for iOS and Android teams.
$50-$500/month
201911-50Paris, France
API Testing Platforms
Open source tool for debugging, testing, and building with HTTP and HTTPS traffic interception.
Tiered plans · Free plan
20181-10Remote
AI Software Testing
AI-powered cloud testing platform with natural language test creation, self-healing tests, and intelligent root cause analysis.
Custom quote
201551-200San Jose, CA
Contact Center as a Service
Playvox is a contact center quality management platform with automated QA scoring, agent coaching, workforce management, and performance gamification features.
Per seat · Free trial
2012201-500Sunnyvale, California
Developer Experience Platforms
Cypress is an end-to-end testing framework for web applications providing fast, reliable testing with real-time reloads, automatic waiting, and visual debugging capabilities.
Tiered plans · Free plan
20141-50Atlanta, Georgia
Contact Center AI Observability
EvaluAgent is an AI-powered quality management platform for contact centers that automates conversation scoring, coaching workflows, and compliance monitoring.
Tiered plans · Free trial
201251-200Middlesbrough, United Kingdom
R
Data Pipeline Testing
Open-source data reliability framework for dbt providing automated testing and monitoring of data models.
Free plan
202111-50Warsaw, Poland
Test Automation Frameworks
BDD and TDD assertion library for Node.js that can be paired with any JavaScript testing framework.
Free · Free plan
20111-10Remote
AI Software Testing
AI-powered codeless test automation platform for functional and E2E testing.
Custom quote · Free trial
201751-200London, UK
Penetration Testing
Pentest-Tools.com provides a cloud-based platform for automated penetration testing with vulnerability scanning, attack surface discovery, and reporting tools.
Usage-based · Free plan
201311-50Cluj-Napoca, Romania
Contact Center AI Observability
Balto provides real-time speech analytics with AI that listens to contact center conversations, offering dynamic prompts, automatic QA scoring, and in-the-moment coaching.
Custom quote
2017201-500St. Louis, Missouri
Distributed Tracing
Platform for building and testing distributed systems and data pipelines.
Free · Free plan
202111-50New York, NY
Vulnerability Management Platforms
Pentera provides automated penetration testing that continuously validates security controls by safely emulating real-world attack techniques.
Custom quote
2015201-500Petah Tikva, Israel
Continuous Testing
JMeter cloud load testing service.
Tiered plans · Free plan
20141-10Aix-en-Provence, FR
Testing & QA
Load testing SaaS built for high-scale HTTP testing with test case editor, test runner, and real-time analytics.
$99+/month
20151-10Cologne, Germany
Code Quality and Linting
Open source library providing throwaway Docker containers for integration testing with database, message broker, and service support.
Free · Free plan
201551-200Remote
CI/CD
Open source CI/CD system focused on testing with distributed execution and results analysis.
Free · Free plan
20201-10Remote
Product Launch Platforms
Customer validation and beta testing platform for enterprise product teams.
Tiered plans · Free plan
20031-50Laguna Hills, CA
App Development Platform
Development and deployment platform enabling over-the-air installation of iOS and Android apps for testers.
Free plan
20121-10Paris, France
A/B Testing
Free and open source unit testing tool for .NET languages following the latest design patterns for test isolation.
Free · Free plan
20071-10Remote
UI/UX Design
Accessibility testing toolkit for finding and fixing WCAG issues in web applications with browser extension and CI integration.
Free plan
2014201-500Herndon, VA
Enterprise Architecture Tools
Drone is a container-native CI/CD platform that automates software build, test, and release workflows using Docker containers, now part of Harness.
Free plan
201411-50Remote (Open Source)
Testing & QA
Managed networked testing platform from Estonia combining community testers and automation for product teams.
Custom quote
2012201-500Tallinn, Estonia
SEO Tools
Structured data testing and validation tool for technical SEO professionals with schema markup debugging and rich results preview.
Freemium
20201-10Remote
AI Software Testing
AI-powered API testing platform that automatically generates and executes API tests from real traffic with smart assertions.
Free plan
201611-50Tel Aviv, Israel
Code Quality and Linting
Family of testing utilities for React, Vue, Angular, and other frameworks encouraging good testing practices.
Free · Free plan
20181-10Remote
Quality Assurance for Support
MaestroQA is a quality assurance platform for customer support teams with customizable scorecards, coaching workflows, screen capture, and performance analytics.
Custom quote
201651-200New York, New York
A/B Testing
Cloud-based parallel testing platform for Cypress and Playwright providing fast test execution and analytics.
Usage-based · Free trial
20201-10Remote
Monorepo Tools
Hosted CI/CD platform focused on fast pipelines for monorepos, parallel testing, and native Docker support.
Usage-based · Free plan
201251-100San Francisco, CA
API Testing Platforms
Open source API testing tool by SmartBear supporting REST, SOAP, and GraphQL with assertion-based validation.
Free plan
2005501-1,000Somerville, MA
A/B Testing
Open source suite of tools for automating web browsers providing a framework for writing functional tests across all major browsers.
Free plan
20041-10Remote
A/B Testing
Cloud-based platform for automated testing of web and mobile apps providing access to hundreds of browsers and real devices.
Tiered plans · Free plan
2008501-1,000San Francisco, CA
Synthetic Data Generation
Synthetic data platform generating safe data for testing and AI training.
Usage-based · Free plan
201851-200San Francisco, CA
API Testing Platforms
Distributed load testing for websites and APIs.
Usage-based · Free plan
20141-10Seattle, WA
API Testing Tools
Open-source OpenAPI-aware HTTP proxy for validating API requests and responses against schemas in real time.
Free plan
20231-10Remote
Customer Effort Measurement
Klaus by Zendesk provides conversation review and quality assurance for customer support teams with AI-powered scoring and coaching.
Per seat · Free trial
201851-200Tallinn, Estonia
Content Performance Analytics
AmplifAI connects speech analytics, sentiment, and conversation insights to automated QA, coaching workflows, and performance dashboards with 150+ integrations.
Per seat · Free trial
201851-200Plano, Texas
Developer Experience Platforms
Test management solution suite from SmartBear for managing QA testing across projects.
Per seat · Free plan
20071,000+Somerville, MA
Email Deliverability Tools
Email and SMS testing for developers.
Tiered plans · Free trial
2013Solo / freelancerLondon, UK
Testing & QA
Canary is a YC W26 company building an AI QA engineer that understands codebases and writes and maintains tests that matter.
Contact for pricing
20251-10San Francisco, California
Testing & QA
Microsoft-owned mobile app distribution and crash reporting service being migrated to Visual Studio App Center.
Retired
2011N/A (Microsoft)Stuttgart, Germany