Départ de Sentier (abbreviated DdS) is a non-profit association which supports open sustainability assessment and public engagement. DdS organizes conferences and code, supports teaching, and rewards open software development.

Brightcon 2022 will be held Sept. 26-30. Registration is now open!

DdS is organizing an Autumn School on open inventory data manipulation from October 24-28. The autumn school is fully booked, but we will organize one again next year.


DdS believes strongly in compete transparency. We use Github to organize, report, and audit our activities. You can find more about DdS in the following repos: Finances, Legal statues.


DdS organizes and helps fund the Brightcon annual conference, which will be held in 2022 from September 26-30 in Luxembourg. Organization is done as a Github project, and the conference website code is also online.

Software prizes

DdS sponsors prizes for software development. Prizes can be sponsored by individuals and companies; you can also suggest new prizes without funding by filing a new issue.

Teaching Brightway

DdS support Brightway classes with material and servers. Please contact us if you would like to collaborate or use or resources.

Supporting DdS

Please contact Chris Mutel (cmutel@gmail.com) if you want to support DdS activities