# Selenium

> Selenium automates browsers.

- **Canonical URI:** https://www.vioscale.ai/software/selenium
- **Category:** Testing Tools
- **Homepage:** https://www.selenium.dev
- **Also known as:** selenium
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-05T13:14:29.157Z

## Vioscale score

**70.6 / 100**, confidence 44% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 45.8 | 0.123 | 5.6 | ✓ |
| github_stars | 85.6 | 0.038 | 3.3 | ✓ |
| integrations | 45.1 | 0.062 | 2.8 | ✓ |
| github_activity | 61.7 | 0.138 | 8.5 | ✓ |
| release_cadence | 82.2 | 0.077 | 6.3 | ✓ |
| security_posture | 0 | 0.1 | 0 | - |
| package_downloads | 92.7 | 0.2 | 18.5 | ✓ |
| stackoverflow_activity | 0 | 0.092 | 0 | - |

## Pricing

_As of 2026-08-05, [verify at source](https://www.selenium.dev). Independently observed._

Open source · Free tier

## About

Browser automation tool for automating web applications for testing purposes, including regression testing, bug reproduction, and exploratory testing. Also supports automation of web-based administration tasks.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI
- **Deployment:** Self-hosted

## Integrations (36)

_Independently observed._

- Mozilla GeckoDriver
- Microsoft EdgeDriver
- Google ChromeDriver
- Opera ChromiumDriver
- Apple SafariDriver
- Selenium (Go)
- hs-webdriver
- wd
- Selenium-Remote-Driver
- php-webdriver
- RSelenium
- webdriver.dart
- Parasol
- Atata
- BELLATRIX
- Boyka Framework
- Capybara
- CodeceptJS
- FluentLenium
- Helium
- Nerodia
- QAF
- Selenide
- SeleniumBase
- SeleniumLibrary
- Watir
- WebdriverIO
- Nightwatch.js
- SHAFT_Engine
- Ellithium
- TestBench
- Yapoml
- Ruby Raider
- Alumnium
- MCP-Selenium
- Testcontainers

## Capabilities

_The capabilities that matter for Testing Tools. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Core** | |
| Test types | Unit + integration + E2E |
| Browser automation | ✓ |
| Built-in assertion library | - |
| **Isolation** | |
| Mocking / stubbing | - |
| **Techniques** | |
| Snapshot testing | - |
| **Performance** | |
| Parallel execution | ✓ |
| **Insight** | |
| Code coverage | - |
| **DX** | |
| Watch mode | - |
| **Ops** | |
| CI integration | - |
| **Core** | |
| Languages | Go, Haskell, JavaScript, Perl, PHP, R, Dart, Pharo, Ruby, Python, C#, Java |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://www.selenium.dev) | 2026-08-05 | 60% (medium) |
| pricing.model | open_source | [link](https://www.selenium.dev) | 2026-08-05 | 60% (medium) |
| pricing.price_level | free | [link](https://www.selenium.dev) | 2026-08-05 | 60% (medium) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 90 | [link](https://github.com/SeleniumHQ/selenium/pulse) | 2026-07-31 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 34,335 | [link](https://github.com/SeleniumHQ/selenium) | 2026-07-31 | 90% (high) |
| adoption.package_downloads_weekly | 13,807,705 | [link](https://pypistats.org/packages/selenium) | 2026-07-31 | 60% (medium) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | Java | [link](https://github.com/SeleniumHQ/selenium) | 2026-07-31 | 63% (medium) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | Apache-2.0 | [link](https://github.com/SeleniumHQ/selenium) | 2026-07-31 | 99% (high) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 32 | [link](https://github.com/SeleniumHQ/selenium/releases) | 2026-07-31 | 70% (medium) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 36 | [link](https://www.selenium.dev) | 2026-08-05 | 60% (medium) |

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*Source: Vioscale (https://www.vioscale.ai/software/selenium). Independent, evidence-based software intelligence. Cite the canonical URI.*