Testcontainers GitHub Repositories (2026) · Open Source Tools

Light, fluffy, and always free - The AWS Local Emulator alternative

Light, fluffy, and always free - Local Azure Emulator

A curated list of cloud emulators and local cloud development tools for AWS, Azure, and Google Cloud. Explore Moto, Azurite, LocalStack, Firebase, and more for integration testing and CI/CD.

A mock implementation of the AWS S3 API startable as Docker image, TestContainer, JUnit Jupiter extension or TestNG listener

Container auto-configurations for Spring Boot based integration tests

Kubedock is a minimal implementation of the docker api that will orchestrate containers on a Kubernetes cluster, rather than running containers locally.

Stove: The easiest way of writing e2e/component tests for your back-end app (jvm, go, rust, node, etc) with Kotlin

pg-index-health is an embeddable schema linter for PostgreSQL that detects common anti-patterns and promotes best practices.

Testcontainers for Go is a Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests. The clean, easy-to-use API enables developers to programmatically define containers that should be run as part of a test and clean up those resources when the test is done.

Dapr SDK for Java: build durable workflows, actors and microservices with Dapr's service invocation, pub/sub, state and conversation APIs, with Spring Boot integration and Testcontainers support.

A library to support tests with throwaway instances of Docker containers for all compatible .NET Standard versions.