Best Tools for Freelancers 2026

Automate software testing and delivery with a self-service Continuous Integration platform.

Rome

Fast and type-safe form data validation library for Node.js backend applications.

Validate unknown data with confidence using this modular and type-safe schema library for TypeScript.

An intuitive and feature-rich GraphQL client for efficient API development and testing.

Develop and test your React components in an isolated, fast, and accessible environment.

Test, monitor, and visualize geospatial APIs to accelerate development and ensure reliability.

AI-powered test automation platform to accelerate and simplify the entire software testing lifecycle.

Cross-browser and mobile app testing platform for web and mobile applications.

Ensure governance and trust in AI with robust data quality across your pipelines.

Open-source API testing framework for security, performance, and load testing.

Free and open-source tools to help designers and developers make web pages more accessible.

Code challenges for developers

Solve accessibility issues in web and Windows applications before they reach your customers.

Keep your code clean and secure with powerful static analysis.