# Selenium vs TestNG

**Leader by Vioscale score:** Selenium

| Attribute | Selenium | TestNG |
|---|---|---|
| **Vioscale score** | 67.6 (76% (high)) | 60 (46% (low)) |
| activity.commits_last_30d | 95 | 100 |
| adoption.dependent_repos | - | 112,338 |
| adoption.github_stars | 34,397 | 2,059 |
| adoption.package_downloads_weekly | 13,857,103 | - |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Open-source tool that automates web browsers to enable automated testing of web applications, regression testing, and automation of repetitive web-based administrative tasks. Includes WebDriver for robust test automation, IDE for record-and-playback scripting, and Grid for distributed test execution. | Java testing framework providing test annotations, XML configuration, parameters, dependencies, parallel execution, and integration with build tools and IDEs. |
| features.capabilities | `{"languages":"Java, JavaScript, Python, Ruby, .NET","ci_integration":true,"browser_automation":true,"parallel_execution":true}` | `{"languages":"Java","assertions":true,"ci_integration":true,"browser_automation":false,"parallel_execution":true}` |
| integrations.count | 5 | 4 |
| integrations.list | `[{"name":"Chrome"},{"name":"Firefox"},{"name":"Edge"},{"name":"Appium"},{"name":"Chrome for Testing (CfT)"}]` | `[{"name":"Eclipse"},{"name":"IntelliJ"},{"name":"Maven"},{"name":"Gradle"}]` |
| language.primary | Java | Java |
| license.spdx | Apache-2.0 | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","summary":"Free and open-source (Apache 2.0 license)","freeTier":true,"sourceUrl":"https://www.selenium.dev","retrievedAt":"2026-08-14T11:07:50.782Z"}` | `{"type":"open_source","summary":"Open source","sourceUrl":"https://testng.org","retrievedAt":"2026-08-13T20:43:33.414Z"}` |
| pricing.free_tier | yes | - |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 30 | 103 |
| release.history | `[{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/nightly","date":"2026-08-26T00:14:38Z","type":"prerelease","version":"nightly"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.47.0","date":"2026-08-10T18:00:07Z","type":"stable","version":"selenium-4.47.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.46.0","date":"2026-07-11T00:47:53Z","type":"stable","version":"selenium-4.46.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.45.0","date":"2026-06-16T13:59:48Z","type":"stable","version":"selenium-4.45.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.44.0","date":"2026-05-12T23:58:59Z","type":"stable","version":"selenium-4.44.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.43.0","date":"2026-04-10T06:52:53Z","type":"stable","version":"selenium-4.43.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.42.0","date":"2026-04-09T11:53:47Z","type":"stable","version":"selenium-4.42.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.41.0","date":"2026-02-20T15:57:35Z","type":"stable","version":"selenium-4.41.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.40.0","date":"2026-01-18T23:53:16Z","type":"stable","version":"selenium-4.40.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.39.0","date":"2025-12-06T22:53:26Z","type":"stable","version":"selenium-4.39.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.38.0","date":"2025-10-25T05:01:29Z","type":"stable","version":"selenium-4.38.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.37.0","date":"2025-10-18T05:02:55Z","type":"stable","version":"selenium-4.37.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.36.0","date":"2025-10-02T15:37:23Z","type":"stable","version":"selenium-4.36.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.35.0","date":"2025-08-12T15:44:30Z","type":"stable","version":"selenium-4.35.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.34.0","date":"2025-06-29T18:25:54Z","type":"stable","version":"selenium-4.34.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.33.0","date":"2025-05-23T17:42:58Z","type":"stable","version":"selenium-4.33.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.32.0","date":"2025-05-02T20:34:32Z","type":"stable","version":"selenium-4.32.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.31.0","date":"2025-04-05T02:49:03Z","type":"stable","version":"selenium-4.31.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.30.0","date":"2025-03-21T22:33:48Z","type":"stable","version":"selenium-4.30.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.29.0","date":"2025-02-20T12:14:50Z","type":"stable","version":"selenium-4.29.0"}]` | `[{"url":"https://github.com/testng-team/testng/releases/tag/7.12.0","date":"2026-01-22T05:36:22Z","type":"stable","version":"7.12.0"},{"url":"https://github.com/testng-team/testng/releases/tag/7.11.0","date":"2025-02-13T04:05:47Z","type":"stable","version":"7.11.0"},{"url":"https://github.com/testng-team/testng/releases/tag/7.10.2","date":"2024-04-28T13:43:16Z","type":"stable","version":"7.10.2"},{"url":"https://github.com/testng-team/testng/releases/tag/7.10.1","date":"2024-04-09T07:21:27Z","type":"stable","version":"7.10.1"},{"url":"https://github.com/testng-team/testng/releases/tag/7.10.0","date":"2024-04-07T16:26:44Z","type":"stable","version":"7.10.0"},{"url":"https://github.com/testng-team/testng/releases/tag/7.9.0","date":"2023-12-26T10:22:30Z","type":"stable","version":"7.9.0"},{"url":"https://github.com/testng-team/testng/releases/tag/7.8.0","date":"2023-05-19T05:57:31Z","type":"stable","version":"7.8.0"},{"url":"https://github.com/testng-team/testng/releases/tag/7.5.1","date":"2023-04-26T06:06:29Z","type":"stable","version":"7.5.1"},{"url":"https://github.com/testng-team/testng/releases/tag/7.7.1","date":"2022-12-29T03:11:51Z","type":"stable","version":"7.7.1"},{"url":"https://github.com/testng-team/testng/releases/tag/7.7.0","date":"2022-12-09T03:40:07Z","type":"stable","version":"7.7.0"},{"url":"https://github.com/testng-team/testng/releases/tag/7.6.1","date":"2022-07-04T13:21:05Z","type":"stable","version":"7.6.1"},{"url":"https://github.com/testng-team/testng/releases/tag/7.6.0","date":"2022-05-18T07:38:10Z","type":"stable","version":"7.6.0"}]` |
| reliability.status_page | yes | yes |
| security.scorecard | 2.7 | - |
| security.vulnerabilities | - | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.testng%3Atestng&per_page=100","last_12m":0,"max_severity":"HIGH"}` |

## Capabilities (Testing Tools)

| Capability | Selenium | TestNG |
|---|:--:|:--:|
| **Core** |  |  |
| Test types | - | - |
| Browser automation | ✓ | ✗ |
| Built-in assertion library | - | ✓ |
| Languages | Java, JavaScript, Python, Ruby, .NET | Java |
| **Isolation** |  |  |
| Mocking / stubbing | - | - |
| **Techniques** |  |  |
| Snapshot testing | - | - |
| **Performance** |  |  |
| Parallel execution | ✓ | ✓ |
| **Insight** |  |  |
| Code coverage | - | - |
| **DX** |  |  |
| Watch mode | - | - |
| **Ops** |  |  |
| CI integration | ✓ | ✓ |

*Source: Vioscale. Generated 2026-09-01T16:29:08.634Z. "-" = undocumented, not absent.*