OpenTAP is an Open Source project for fast and easy development and execution of automated tests.
OpenTAP is built with simplicity, scalability and speed in mind, and is based on an extendable architecture that leverages .NET.
OpenTAP offers a range of sequencing functionality and infrastructure that makes it possible for you to quickly develop plugins tailored for your automation needs – plugins that can be shared with the OpenTAP community through the OpenTAP package repository.
Publisher’s description
What is OpenTAP?
OpenTAP is an open-source ides & code editor program for Windows from Keysight Technologies. It is written in C#.
Installation and requirements
Official installers exist for 64-bit as EXE. The main installer is 59.3 MB. Installation asks for administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 9.35.1+e096665a, released on October 23, 2026. 19 versions are listed since December 18, 2024, each with links to its own installer files. That is about 10 releases a year. The last update is less than a month old.
Popularity and file types
The source code on GitHub (opentap/opentap) has 254 stars. Similar programs include OpenCode, RStudio and Node.js (LTS).
Project description on GitHub: “This is the code for the base OpenTAP package. See https://opentap.io. This includes the OpenTap.dll (base classes and sequencer), OpenTap.Package.dll (package manager), tap.exe (CLI) and OpenTap.Plugins.BasicSteps.dll (some basic TestSteps)”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Frequent updates (about 10 a year)
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: OpenTAP is an open-source ides & code editor tool for 64-bit PCs. It is actively maintained. Administrators can deploy it unattended.
Is OpenTAP safe to download?
- The file is served by packages.opentap.io, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
54E5A09C1D375DE044BA7EC484EC9702C9B893B96279D6444D640FF2F0437BB4· Open the VirusTotal report for this hash - The link answered when we last checked it (October 26, 2026)
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 19 versions ›19 versions over 2 years · about 10 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 9.35.1+e096665aLatest | October 23, 2026 | 59.3 MB | 64-bit EXE |
| 9.35.0+a6e39207 | September 15, 2026 | 59.5 MB | 64-bit EXE |
| 9.34.0+f498d3b6 | June 26, 2026 | — | 64-bit EXE |
| 9.33.0+56d4c214 | May 15, 2026 | — | 64-bit EXE |
| 9.32.3+026697de | March 18, 2026 | — | 64-bit EXE |
| 9.32.2+e74c0d2d | February 24, 2026 | — | 64-bit EXE |
| 9.32.1+2ca5c6ee | February 18, 2026 | — | 64-bit EXE |
| 9.32.0+599e9cbe | February 13, 2026 | — | 64-bit EXE |
Install from the command line
Silent install ›winget install --id Keysight.OpenTAP -eOpenTAP.exe --quietProgram files (.exe): tap.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Keysight Technologies
- Category
- IDEs & code editors
- Licence
- MPL-2.0
- Price
- Free
- Source code
- github.com/opentap/opentap
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE
- Version
- 9.35.1+e096665a
- Released
- October 23, 2026
- Added to the catalogue
- January 13, 2025
- Versions listed
- 19
- Updates / year
- 10.3
- GitHub stars
- 254
- GitHub forks
- 72
- Website
- opentap.io
- winget ID
- Keysight.OpenTAP
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to OpenTAP
See all ›-
OpenCode1.19.4OpenCode is an open source agent that helps you write and run code with any AI model. It's available as a terminal-based interface, desktop app, or IDE extension.Open source285.2K ↓ -
Open source705.1K ↓ -
Open source4.9M ↓ -
Open source88.8K ↓ -
VSCodium1.143.17183VSCodium is a community-driven, freely-licensed and telemetry-free rebuilt of Microsoft's Visual Studio Code.Open source394.5K ↓ -
Haxe4.3.7Haxe is an open source high-level strictly-typed programming language with a fast optimizing cross-compiler.Open source49.7K ↓ -
Open source94.6K ↓ -
Open source12.3K ↓
Frequently asked questions
Is OpenTAP free?
Yes. OpenTAP is open-source software under the MPL-2.0 licence.
Is OpenTAP safe to download?
The download comes from packages.opentap.io, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install OpenTAP with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can OpenTAP be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does OpenTAP run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of OpenTAP?
The versions page lists all 19 versions with links to their official installer files, back to December 18, 2024.
What are alternatives to OpenTAP?
OpenCode, RStudio, Node.js (LTS), Apache NetBeans and VSCodium. The alternatives page compares them.
