Pact vs Spring Cloud Contract: licensing, GitHub activity, and what each is actually for. Neutral comparison, no paid rankings.
Pact: Open source. 1,820 GitHub stars. Consumer-driven contract testing framework for HTTP APIs and asynchronous messaging. Prevents integration failures between microservices.
Spring Cloud Contract: Open source. 729 GitHub stars. Contract testing solution for JVM-based applications. Generates tests from contracts and ensures API compatibility.