Note: This license was obtained on April 6, 2009 from

Note: This license was obtained on April 6, 2009 from

Note: This license was obtained on April 6, 2009 from





This Agreement is a free software license that is the result of  discussions

between its authors  in  order  to  ensure  compliance  with  the  two  main

principles guiding its drafting:

  – firstly, its conformity with French law, both as  regards  the  law  of

    torts and intellectual property law, and the protection that it offers

    to authors and the holders of economic rights over software.

  – secondly, compliance with the principles for the distribution  of  free

    software: access to source codes, extended user-rights.

The following bodies are the authors of this license CeCILL (Ce : CEA, C :

CNRS, I : INRIA, LL : Logiciel Libre):

Commissariat à l’Energie Atomique – CEA, a public scientific, technical  and

industrial establishment, having its principal place of  business  at  31-33

rue de la Fédération, 75752 PARIS cedex 15, France.

Centre National de la Recherche Scientifique –  CNRS,  a  public  scientific

and technological establishment, having its principal place of  business  at

3 rue Michel-Ange 75794 Paris cedex 16, France.

Institut National de Recherche en Informatique et en Automatique – INRIA,  a

public scientific and  technological  establishment,  having  its  principal

place of business at Domaine de Voluceau, Rocquencourt,  BP  105,  78153  Le

Chesnay cedex.



The purpose of this Free Software Licensing Agreement is to grant users  the

right to modify and redistribute  the  software  governed  by  this  license

within the framework of an “open source” distribution model.

The exercising of these rights is conditional upon certain  obligations  for

users  so  as  to  ensure  that  this  status  is  retained  for  subsequent

redistribution operations.

As a counterpart to the access to the source code and rights to copy, modify

and redistribute granted by the license,  users are provided only with  a

limited warranty and  the software’s author, the holder of the economic

rights,  and  the  successive licensors only have limited liability.

In this respect, it is brought to the user’s attention that the risks

associated  with loading, using, modifying and/or developing or reproducing

the  software  by the user given its nature of Free Software,  that  may  

mean that it is complicated to manipulate, and that also therefore means

that it is reserved for developers and experienced professionals having

in-depth computer knowledge. Users are therefore encouraged to load and test

the Software’s suitability  as  regards  their  requirements  in  conditions

enabling  the security of their systems and/or data to be ensured and, more

generally,  to use and operate  it  in  the  same  conditions  of security.

This Agreement may be  freely  reproduced  and  published, provided  it  is

not altered, and that no Articles are either added or removed herefrom.

This Agreement may apply to any or all software for which the holder of  the

economic rights decides to submit the operation thereof to its provisions.

Article 1  – DEFINITIONS


For the purposes of this Agreement, when the following expressions  commence

with a capital letter, they shall have the following meaning:

Agreement: means this Licensing Agreement, and any or all of its  subsequent


Software: means the software in its Object  Code  and/or  Source  Code  form

and, where applicable, its documentation, “as  is”  at  the  time  when  the

Licensee accepts the Agreement.

Initial Software: means the Software in its Source Code and/or  Object  Code

form and, where applicable, its documentation, “as is” at the time  when  it

is distributed for the first time under the  terms  and  conditions  of  the


Modified  Software:  means  the  Software   modified   by   at   least   one


Source Code: means all the Software’s  instructions  and  program  lines  to

which access is required so as to modify the Software.

Object Code: means the binary files originating from the compilation of  the

Source Code.

Holder: means  the  holder  of  the  economic  rights  over  the  Initial


Licensee(s): mean(s) the Software user(s) having accepted the Agreement.

Contributor: means a Licensee having made at least one Contribution.

Licensor: means the Holder, or any or all other individual or legal  entity,

that distributes the Software under the Agreement.

Contributions: mean any or  all  modifications,  corrections,  translations,

adaptations and/or new functionalities integrated into the Software  by  any

or all Contributor, and the Static Modules.

Module: means a set of sources files  including  their  documentation  that,

once compiled in executable form, enables supplementary  functionalities  or

services to be developed in addition to those offered by the Software.

Dynamic Module: means any or all module, created by  the  Contributor,  that

is independent of the Software, so that this module and the Software are  in

two different executable forms that are  run  in  separate  address  spaces,

with one calling the other when they are run.

Static Module: means any or all  module,  created  by  the  Contributor  and

connected to the Software by a static link that  makes  their  object  codes

interdependent. This module and the Software to which it is  connected,  are

combined in a single executable.

Parties: mean both the Licensee and the Licensor.

These expressions may be used both in singular and plural form.

Article 2 – PURPOSE


The purpose of the  Agreement  is  to  enable  the  Licensor  to  grant  the

Licensee a free, non-exclusive, transferable and worldwide License  for  the

Software as set forth in  Article  5  hereinafter  for  the  whole  term  of

protection of the rights over said Software.

Article 3 – ACCEPTANCE


3.1. The  Licensee  shall  be  deemed  as  having  accepted  the  terms  and

conditions of  this  Agreement  by  the  occurrence  of  the  first  of  the

following events:

– (i) loading the Software by any or all means, notably,  by  downloading

 from a remote server, or by loading from a physical medium;

– (ii) the first time the Licensee exercises any of  the  rights  granted


3.2. One copy  of  the  Agreement,  containing  a  notice  relating  to  the

specific nature of the  Software,  to  the  limited  warranty,  and  to  the

limitation to use by experienced users has been  provided  to  the  Licensee

prior to its acceptance as set forth in Article  3.1  hereinabove,  and  the

Licensee hereby acknowledges that it is aware thereof.




The Agreement shall become effective on the date when it is accepted by  the

Licensee as set forth in Article 3.1.

4.2. TERM

The Agreement  shall  remain  in  force  during  the  whole  legal  term  of

protection of the economic rights over the Software.



The  Licensor  hereby  grants  to  the  Licensee,  that  accepts  such,  the

following rights as regards the Software for any or all  use,  and  for  the

term of the Agreement, on the basis of the terms and  conditions  set  forth


Otherwise, the Licensor grants to the Licensee free of  charge  exploitation

rights on  the  patents  he  holds  on  whole  or  part  of  the  inventions

implemented in the Software.


The Licensee is authorized to use the Software, unrestrictedly,  as  regards

the fields of application, with it being  hereinafter  specified  that  this

relates to:

– permanent or temporary reproduction of all or part of the Software  by

 any or all means and in any or all form.

– loading, displaying, running, or storing the Software on any or all


– entitlement to observe, study or test the operation thereof so  as  to

 establish the ideas and principles that form the basis for any or  all

 constituent elements of said  Software.  This  shall  apply  when  the

 Licensee  carries  out  any  or  all  loading,  displaying,   running,

 transmission or storage operation as regards the Software, that it  is

 entitled to carry out hereunder.

5.2. entitlement to make CONTRIBUTIONS

The right to make Contributions includes  the  right  to  translate,  adapt,

arrange, or make any or all modification to the Software, and the  right  to

reproduce the resulting Software.

The Licensee is authorized to make any or all Contribution to  the  Software

provided that it  explicitly  mentions  its  name  as  the  author  of  said

Contribution and the date of the development thereof.


In particular, the right of distribution and publication includes the  right

to transmit and communicate the Software to the general  public  on  any  or

all medium, and by any or all means, and the  right  to  market,  either  in

consideration of a fee, or free of charge, a  copy or copies of the Software

by means of any or all process.

The Licensee is further authorized to redistribute copies  of  the  modified

or  unmodified  Software  to  third  parties  according  to  the  terms  and

conditions set forth hereinafter.


The Licensee is authorized to redistribute true copies of  the  Software  in

Source Code or Object Code form, provided that said redistribution  complies

with all the provisions of the Agreement and is accompanied by:

– a copy of the Agreement,

– a notice relating to the limitation of both  the  Licensor’s  warranty

 and liability as set forth in Articles 8 and 9,

and  that,  in  the  event  that  only  the  Software’s   Object   Code   is

redistributed, the Licensee allows future  Licensees  unhindered  access  to

the Software’s full Source  Code  by  providing  them  with  the  terms  and

conditions for access thereto, it being understood that the additional  cost

of acquiring the Source Code shall not exceed the cost of  transferring  the



When the Licensee makes a  Contribution  to  the  Software,  the  terms  and

conditions for the redistribution of the Modified  Software  shall  then  be

subject to all the provisions hereof.

The Licensee is authorized to redistribute the Modified Software, in  Source

Code or Object Code form, provided that said  redistribution  complies  with

all the provisions of the Agreement and is accompanied by:

– a copy of the Agreement,

– a notice relating to the limitation of both  the  Licensor’s  warranty

 and liability as set forth in Articles 8 and 9,

and that, in the event that only the  Modified  Software’s  Object  Code  is

redistributed, the Licensee allows future  Licensees  unhindered  access  to

the Modified Software’s full Source Code by providing them  with  the  terms

and conditions for access thereto, it being understood that  the  additional

cost of acquiring the Source Code shall not exceed the cost of  transferring

the data.

5.3.3. redistribution OF DYNAMIC MODULES

When the Licensee has developed a Dynamic Module, the terms  and  conditions

hereof do not apply to said Dynamic Module, that  may  be  distributed under

a separate Licensing Agreement.


In the event that the Modified or unmodified Software is included in a code

that is subject to the provisions of the GPL License, the Licensee is

authorized to redistribute the whole under the GPL License.

In the event that the Modified Software includes a code that is  subject  to

the  provisions  of  the  GPL  License,  the  Licensee  is   authorized   to

redistribute the Modified Software under the GPL License.




The Holder owns the economic rights over the Initial Software.  Any  or  all

use of the Initial Software is subject to  compliance  with  the  terms  and

conditions under which the Holder has elected to distribute its work and  no

one shall be entitled to  and it shall have sole entitlement to  modify  the

terms and conditions for the distribution of said Initial Software.

The Holder undertakes to maintain the distribution of the  Initial  Software

under the conditions of  the  Agreement,  for  the  duration  set  forth  in

article 4.2..


The intellectual property rights over the Contributions belong to  the

holder of the economic rights as designated by effective legislation.


The Licensee having  developed  a  Dynamic  Module  is  the  holder  of  the

intellectual property rights over said Dynamic Module and is free to  choose

the agreement that shall govern its distribution.


6.4.1. The Licensee expressly undertakes:

– not to remove, or modify, in  any  or  all  manner,  the  intellectual

 property notices affixed to the Software;

– to reproduce said notices, in an identical manner, in  the  copies  of

 the Software.

6.4.2. The Licensee undertakes not to directly or  indirectly  infringe  the

intellectual property rights of the Holder and/or Contributors and to  take,

where applicable, vis-à-vis its staff,  any  or  all  measures  required  to

ensure respect for said intellectual property rights of  the  Holder  and/or




7.1. Under no circumstances shall  the  Agreement  oblige  the  Licensor  to

provide technical assistance or maintenance services for the Software.

However, the Licensor is entitled to offer  this  type  of  service. The

terms  and  conditions  of  such  technical  assistance,  and/or   such

maintenance, shall then be set forth in  a  separate  instrument.  Only  the

Licensor offering said  maintenance  and/or  technical  assistance  services

shall incur liability therefor.

7.2. Similarly, any or all Licensor  shall  be  entitled  to  offer  to  its

Licensees, under its own responsibility, a  warranty,  that  shall  only  be

binding upon itself, for the  redistribution  of  the  Software  and/or  the

Modified Software, under terms and conditions  that  it  shall  decide  upon

itself. Said warranty,  and  the  financial  terms  and  conditions  of  its

application, shall be subject to a separate instrument executed between  the

Licensor and the Licensee.

Article 8  – LIABILITY


8.1. Subject to the provisions of Article 8.2, should the Licensor  fail  to

fulfill all or part of its obligations  hereunder,  the  Licensee  shall  be

entitled to claim compensation for the direct loss suffered  as a result of

a fault on the part of the Licensor, subject to providing evidence of it.

8.2. The Licensor’s liability is limited to the commitments made under  this

Licensing Agreement and shall not be incurred as a result ,  in  particular:

(i) of loss due the Licensee’s total  or  partial  failure  to  fulfill  its

obligations, (ii) direct or consequential loss due to the Software’s use  or

performance that  is  suffered  by  the  Licensee,  when  the  latter  is  a

professional  using  said  Software  for  professional  purposes  and  (iii)

consequential loss due to the Software’s use  or  performance.  The  Parties

expressly agree that any or all pecuniary or business  loss  (i.e.  loss  of

data, loss  of  profits,  operating  loss,  loss  of  customers  or  orders,

opportunity cost, any disturbance to business  activities)  or  any  or  all

legal proceedings instituted against the Licensee by a  third  party,  shall

constitute consequential loss and shall not provide entitlement  to  any  or

all compensation from the Licensor.

Article 9  – WARRANTY


9.1. The  Licensee  acknowledges  that  the  current  situation  as  regards

scientific and  technical  know-how  at  the  time  when  the  Software  was

distributed did not enable all possible uses to be tested and verified,  nor

for the presence of any or all faults to be detected. In this  respect,  the

Licensee’s attention has been drawn to the risks  associated  with  loading,

using, modifying and/or developing and reproducing  the  Software  that  are

reserved for experienced users.

The Licensee shall be responsible for verifying, by any or  all  means,  the

product’s suitability for its requirements, its due and proper  functioning,

and for ensuring that it  shall  not  cause  damage  to  either  persons  or


9.2. The Licensor hereby represents, in good faith, that it is  entitled  to

grant all the rights on the  Software (including in  particular  the  rights

set forth in Article 5 hereof over the Software).

9.3. The Licensee acknowledges that the Software is supplied “as is” by  the

Licensor without any or all other express  or  tacit  warranty,  other  than

that provided for in Article 9.2 and, in  particular,  without  any  or  all

warranty as to its market  value,  its  secured,  innovative  or  relevant


Specifically, the Licensor does not warrant that the Software is  free  from

any or all error, that it shall  operate  continuously,  that  it  shall  be

compatible  with   the   Licensee’s   own   equipment   and   its   software

configuration, nor that it shall meet the Licensee’s requirements.

9.4. The Licensor does not either expressly  or  tacitly  warrant  that  the

Software does not  infringe  any  or  all  third  party  intellectual  right

relating to a patent, software or  to  any  or  all  other  property  right.

Moreover, the Licensor shall not hold the Licensee harmless against  any  or

all proceedings for infringement that may be instituted in  respect  of  the

use, modification and redistribution of the Software.  Nevertheless,  should

such proceedings be instituted against  the  Licensee,  the  Licensor  shall

provide it with  technical  and  legal  assistance  for  its  defense.  Such

technical and legal assistance shall  be  decided  upon  on  a  case-by-case

basis  between  the  relevant  Licensor  and  the  Licensee  pursuant  to  a

memorandum of understanding. The Licensor disclaims any or all liability  as

regards the Licensee’s use of the Software’s  name.  No  warranty  shall  be

provided as regards the existence of prior  rights  over  the  name  of  the

Software and as regards the existence of a trademark.

Article 10  – TERMINATION


10.1. In  the  event  of  a  breach  by  the  Licensee  of  its  obligations

hereunder, the Licensor may automatically terminate  this  Agreement  thirty

(30) days after notice has been  sent  to  the  Licensee  and  has  remained


10.2. The  Licensee  whose  Agreement  is  terminated  shall  no  longer  be

authorized to use, modify or distribute the Software. However,  any  or  all

licenses that it may have granted prior to  termination  of  the  Agreement

shall remain valid subject to their having been granted in  compliance  with

the terms and conditions hereof.




Neither Party shall be liable for any or all delay, or  failure  to  perform

the Agreement, that may be attributable to an event  of  force  majeure,  an

act of God or an outside cause, such as, notably, defective functioning,  or

interruptions affecting  the  electricity  or  telecommunications  networks,

blocking of the network following a virus attack, the  intervention  of  the

government authorities, natural disasters, water damage, earthquakes,  fire,

explosions, strikes and labor unrest, war, etc.

11.2. The fact that either Party may fail, on one or several  occasions,  to

invoke  one  or  several  of  the  provisions   hereof,   shall   under   no

circumstances be interpreted as being a waiver by the  interested  Party  of

its entitlement to invoke said provision(s) subsequently.

11.3. The Agreement cancels and replaces  any  or  all  previous  agreement,

whether written or oral, between the Parties and having  the  same  purpose,

and  constitutes  the  entirety  of  the  agreement  between  said   Parties

concerning said purpose. No supplement or  modification  to  the  terms  and

conditions hereof shall be effective as regards the  Parties  unless  it  is

made in writing and signed by their duly authorized representatives.

11.4. In the event that one or several of  the  provisions  hereof  were  to

conflict with a current or future applicable act or legislative  text,  said

act or legislative text shall take precedence, and the  Parties  shall  make

the necessary amendments so  as  to  be  in  compliance  with  said  act  or

legislative  text.  All  the  other  provisions  shall   remain   effective.

Similarly, the fact that a provision of  the  Agreement  may   be  null  and

void, for any reason whatsoever, shall not cause the Agreement  as  a  whole

to be null and void.


The Agreement is drafted in both French and  English.  In  the  event  of  a

conflict as  regards  construction,  the  French  version  shall  be  deemed




12.1. Any or all person is authorized to duplicate and distribute copies  of

this Agreement.

12.2. So as to ensure coherence, the wording of this Agreement is  protected

and may only be modified by the authors of the  License,  that  reserve  the

right to periodically publish updates or  new  versions  of  the  Agreement,

each with a separate number. These subsequent versions may address new issues

encountered by Free Software.

12.3. Any  or  all  Software  distributed  under  a  given  version  of  the

Agreement may only be subsequently distributed under  the  same  version  of

the Agreement, or  a  subsequent  version,  subject  to  the  provisions  of

article 5.3.4.



13.1. The Agreement is  governed  by  French  law.   The  Parties  agree  to

endeavor to settle the disagreements or disputes that may arise  during  the

performance of the Agreement out-of-court.

13.2. In the absence of an out-of-court settlement within two (2) months  as

from their occurrence, and unless emergency proceedings are  necessary,  the

disagreements or disputes shall be  referred  to  the  Paris  Courts  having

jurisdiction, by the first Party to take action.

                                                  Version 1.1 of 10/26/2004