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Open-source tool for testing and evaluating LLM prompts, comparing outputs across models and catching quality regressions before deployment.

• AI & Machine Learning

JavaScript end-to-end testing framework built for the modern web with fast, reliable testing.

• Testing

Open-source testing framework for evaluating LLM outputs, treating LLM application quality checks like conventional unit tests.

• AI & Machine Learning

Reliable end-to-end testing and browser automation framework for modern web apps.

• Developer Tools
• Testing

Modern load and performance testing tool that lets developers script tests in JavaScript and run them from the command line, built for the DevOps and CI/CD era.

• Testing

Cloud-native chaos engineering platform for Kubernetes that injects controlled faults - pod, network, I/O, and more - to test how a system actually behaves under failure.

• Testing

Load testing and network measurement tool built for microservices, reporting detailed latency percentiles under sustained load.

• Testing

Programming paradigm and library for controlling LLM generation with interleaved prompting, control flow, and constrained output in one program.

• AI & Machine Learning

Lightweight, open-source API development ecosystem for building and testing REST, GraphQL, WebSocket, and other API requests, as an alternative to Postman.

• Developer Tools
• API

Developer-centric API testing tool that records real API and database traffic with eBPF and turns it into test cases and data mocks automatically, with no code changes.

• Testing

Kubernetes performance and scale testing tool that generates configurable cluster load to measure how a cluster behaves under stress.

• Testing

CNCF chaos engineering platform for Kubernetes that runs fault-injection experiments to validate how applications recover from failure.

• Testing

HTTP(S) mock server and proxy for testing that lets you simulate API responses, inspect live traffic, and inject failures.

• Testing

Security testing orchestration platform that runs multiple open-source scanners against your applications and infrastructure from one pipeline.

• Testing

Kubernetes conformance testing tool that diagnostically checks whether a cluster is configured correctly and behaves per the Kubernetes spec.

• Testing

CIS Kubernetes Benchmark compliance checker that audits a cluster's configuration against official security best practices.

• Testing

Open source product analytics platform with feature flags, session replay and A/B testing.

• Analytics

Open-source ecommerce framework built on Symfony, designed for highly customized commerce applications with a strong testing culture and REST API.

• E-commerce