# microsoft/HydraLab

Intelligent cloud testing made easy.

Repository: https://github.com/microsoft/HydraLab
Canonical: https://ross.abutalabs.com/products/hydralab
Language: Java
License: MIT
License Family: permissive
Topics: testing, mobile-development, testing-framework, cross-platform, test-automation, spring-boot, developer-tools, e2e-testing, ui-testing, azure, platform-engineering, cloud-testing, performance-testing, chatgpt, testgpt, device-farm
Last push: 2026-09-03T01:45:34+00:00

## Health v2 (maintenance only)
Score: 76/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 100, release rhythm 31, longevity 100
- inputs: {"age_days": 1588, "days_push": 0, "days_rel": 380, "gap_med": 76, "n_releases_24m": 4}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1029, forks 108 (observed 2026-09-03T02:15:14.984944+00:00)

## What it is
Hydra Lab is a Microsoft open-source framework for building your own cloud testing infrastructure with a center-agent distributed design for managing test devices and tasks. It supports Appium, Espresso, XCTest, and Maestro across Android, iOS, Windows, and browser platforms, plus case-free smart exploratory testing.

## Use cases
- set up a self-hosted mobile device farm for automated testing
- run Appium and Espresso tests on real devices in the cloud
- manage and schedule tests across a pool of Android and iOS devices
- run smart exploratory and monkey tests without writing test cases
- visualize test results from distributed test agents
- build an internal cloud testing platform on spare devices

## When to choose
- you need a self-hosted alternative to commercial device farms like Firebase Test Lab or BrowserStack
- you have physical devices/machines you want to pool into a shared test lab
- you need cross-platform mobile test automation with centralized device management
- you want case-free exploratory testing to complement scripted tests

## When to avoid
- you only need simple local unit tests without device orchestration
- you prefer a fully managed cloud testing service with no infrastructure to maintain
- your testing is limited to backend/API testing with no UI or mobile component

## Facets
- artifact type: framework
- maturity: active
- function: testing, e2e-testing, deployment, developer-tools
- domain: testing, mobile-development, developer-tools
- platform: windows, cross-platform, self-hosted
- tags: device-farm, cloud-testing, appium, espresso, xctest, test-orchestration, spring-boot, smart-exploratory-testing, automation, android, ios, docker, web-server

## Member repositories
- microsoft/HydraLab (main) score 76

## Provenance
- Observed fields: from GitHub, fetched 2026-09-03T02:15:14.984944+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T07:07:47.750558+00:00, confidence not recorded.
  - readme: https://github.com/microsoft/HydraLab (fetched 2026-09-03T02:15:14.984944+00:00, sha a34bb945e0bc)
- Data as of 2026-08-30T08:39:29.467469+00:00.