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This research is to support all my needs to give a talk at FISL11, that will happen in the end of this month.

Marcelo Araujo, Copyright

Copyright 2010 Marcelo Araujo. All rights reserved.

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THIS SOFTWARE IS PROVIDED BY Marcelo Araujo ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Marcelo Araujo OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

The views and conclusions contained in the software and documentation are those of the authors and should not be interpreted as representing official policies, either expressed or implied, of Marcelo Araujo.

Additional notes

This research are based in some technologies existing in the market, all papers and documents used in this study are available on the Internet and are referenced in this document. If you want to use this document how reference in some project, please don't forget the credits.

Introduction

Day by day I'm asking myself what are the problems around of Open Source Software Licenses and why there are some flames around those.

I'm involved with Open Source more than 10 years, I've started to play with FreeBSD 3.0 and I've had some play with Linux Kernel 1.0.31.

I'm a FreeBSD developer, I got in the FreeBSD project in 2007 and I've been working on several projects the last big one was called as Disc-OS and it was released over GPL license.

Although at any rate, I never had time to investigate about software license, till now.

Details

Some references, just to get some ideas about what others talk about: * Why you should use a BSD style license for your Open Source Project (Read) * Building Products with FreeBSD (Read) * FreeBSD: An Open Source Alternative to Linux (Read) * The Open Source Definition (Annotated) (Read) * Various Licenses and Comments about Them (Read) * Understanding Open Source Software - by Red Hat's Mark Webbink, Esq. (Read) * BSD v. GPL, Jason Dixon, NYCBSDCon 2008 (Read) * Por que FreeBSD(IBM) (Read) * Não existe software livre (Read) * Newsletter periódica da Fundação FreeBSD. (Read) * Open Source Part 1 * Understand the GPL and BSD * Important Notes * GNU - The BSD License Problem