WRENCH is open-source software distributed under the LGPLv3 license.

Downloading the latest stable version

WRENCH-2.1 (October 7, 2022)

Installation   Documentation   Docker Containers   WRENCH 101   WRENCH 102

This release includes a series of new features and bug fixes, including:
  • Minor release
  • WRENCH version 2.1 includes the implementation of a new storage service for the simulation of the XRootD storage system, performance enhancements in terms of speed and memory footprint, and minor bug fixes.

Requires SimGrid 3.32
Previous Releases
Join us on slack: WRENCH Slack
WRENCH's source code is available on GitHub. Our preferred channel to report a bug or request a feature is via WRENCH's Github Issues Track.

You can also reach the WRENCH team via our support email at


The WfCommons project provides a set of workflow traces and tools for generating synthetic, yet realistic, workflow instances which can be seamlessly used with simulators developed with WRENCH.

Retrieving the latest unstable version

If you want to use the latest unstable version, that will contain brand-new features and can achieve up-to-date performances (but may also contain bugs as the stabilization work is still underway), you may consider retrieving the latest unstable version.

Cloning from WRENCH's GitHub repository:

git clone