ESM Unit vs WSO2 Contract Test Runner
| ESM Unit | WSO2 Contract Test Runner | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | Linux, self-hosted |
| Coverage reporting | Yes | — |
| Supported runtimes | Node.js 18 LTS or later; Chrome; Firefox; Safari; Microsoft Edge | — |
| Parallel execution | Yes | — |
Both are listed in Best JavaScript Testing Frameworks. On Inferse, WSO2 Contract Test Runner scores higher on our published basis.