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All my contributions to the wiki and to osm are in the WTFPL licence. Therefore :

Public domain
All my contributions to OpenStreetMap are released into the public domain. This applies worldwide.
In case this is not legally possible, I grant anyone the right to use my contributions for any purpose, without any conditions, unless such conditions are required by law.

Me in OSM

My name is sylvain letuffe (aka sly), I live in chambéry, savoie, france in the alps and an OSM contributor since january 2008

My login in osm is and my "mechanical edit" account is


  • email : sylvain A letuffe o r g

What am I contributing on ?


Mainly contributing in France and near where I live where hiking trails, mountain related features, sport amenities is what I prefere to contribute on.

Wiki things

  • Anything that comes close to mountain sports gets my attention So the Hiking page is a good start and I'm working on it.

Dev and admin on tools and services

I'm a system administrator at work and a bit of a developper for pleasure and like geo datas. I'm involve in :

  • Hiking/mri a map focused on hiking related information

Wiki votes

I admit wiki voting for proposal has flaws (like some people voting on tags they haven't used at all, not everyone knows a vote is running,...), but that is still the best we have and I support it as being better than nothing. Improving it is the way to go not discarding it.

Me in other project

My personal web site is here : ( French )

Manager of gplservice company :

Webmaster of the web site for which I use OSM data in some components and OSM based maps

Wikipedia account :

Openstreetmap France : I amwas a sys administrator of some Openstreetmap France chapter's servers