Latest Version: 1.0.12

Download OpenTest

The next-generation API testing platform. Free, open-source, and built for developers.

Download for All Platforms

macOS (Intel)

For Intel-based Macs (2020 and earlier)

macOS (Apple Silicon)

For Apple Silicon Macs (M1, M2, M3, M4)

Windows

For Windows 10 and later (64-bit)

Windows and Linux builds are in development

Linux

For Ubuntu, Debian, and other distros

Windows and Linux builds are in development

Installation Instructions

How to install OpenTest on your system

macOS Installation

  1. Download the .dmg file for your Mac (Intel or Apple Silicon)
  2. Open the downloaded file
  3. Drag OpenTest to your Applications folder
  4. Important First-Time Setup:
    • Method 1 (Easiest): Right-click OpenTest.app → Select "Open" → Click "Open"
    • Method 2 (Terminal): Run xattr -cr /Applications/OpenTest.app
  5. OpenTest will open normally from now on!

Why This Step?

OpenTest is code-signed but not App Store distributed. macOS requires this one-time security step. After this, the app opens normally! Your data is completely safe.

System Requirements

  • macOS 10.15 (Catalina) or later
  • 4 GB RAM minimum (8 GB recommended)
  • 500 MB free disk space
  • Internet connection for API testing