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Like SAFe, LeSS (Large-Scale Scrum) is a Framework created by Bas Vodde and Craig Larman. Based on their personal experiences in the software industry, they developed a successful version of SAFe in 2013. Their idea is to extend the SCRUM to several teams working on a single product, whereas it is only suitable for one team.

LeSS therefore proposes several principles to coordinate the work of Scrum teams.

First of all, it is a matter of having a single Product Owner for the different teams.

This brings the teams together in a Sprint Planning 1, which aims to discuss the different projects and connect the Scrum teams that will work together: a classic Sprint Planning can then be organised between these teams.

The Sprint Review comes next: it consists in discussing the progress and evolution of the project.

Then it is the time for Sprint Retrospective, but especially the Sprint Overall Retrospective which does not exist in the one-team SCRUM process. It discusses the quality of collaboration between teams, proximity to customers and the work of the Product Owner to ensure overall cohesion.

Finally, the process is closed with Overall Product Backlog Refinement and Product Backlog Refinement. The latter two allow for refining of the user-stories and defining the backlog.

To conclude, the LeSS complements the SCRUM by offering even stronger collaboration between teams working on the same product.