EULA - License Text:

AMREIN ENGINEERING Free Sharepoint Web Parts Software License Agreement

Please carefully read this License Agreement before using the Sharepoint Web Parts. Using this software indicates your acceptance of this Agreement's terms.
If you do not agree with any of the terms, do not use this product.

License
You are granted a free license to use the Sharepoint Web Parts (the "SOFTWARE PRODUCT") for personal use or in your business or profession.
Ownership and Title of the SOFTWARE PRODUCT remains with Amrein Engineeirng AG.
You may not make copies, reproductions, translations or modifications of or to the SOFTWARE PRODUCT, except you may make a single archive copy of the SOFTWARE PRODUCT. The same copyright notice and proprietary marking as appears on the original SOFTWARE PRODUCT must be contained on the archive copy.

Copies of the SOFTWARE PRODUCT and/or its documentation may not be distributed to anyone without written authorization from Amrein Engineering AG. 
You may not disassemble, create derivative works, modify, reverse engineer, adapt, decompile, or translate the SOFTWARE PRODUCT. 
You may not adapt, create derivative works, or translate any part of the documentation without the prior written consent of Amrein Engineering AG. 
You may not lease, rent, transfer, assign, or sell the SOFTWARE PRODUCT to any other person.
You are granted a nonexclusive right to use the SOFTWARE PRODUCT on any Sharepoint Server within your enterprise.

LIMITED WARRANTY
AMREIN ENGINEERING AG IS NOT RESPONSIBLE FOR THE INSTALLATION, USE OF OR RESULTS OBTAINED FROM THE SOFTWARE PRODUCT AND DOCUMENTATION.
AMREIN ENGINEERING AG DOES NOT WARRANT YOUR REQUIREMENTS WILL BE MET WITH THE SOFTWARE PRODUCTS FUNCTIONS OR THAT THE DOCUMENTATION AND SOFTWARE PRODUCTS OPERATION WILL BE ERROR-FREE OR UNINTERRUPTED, OR THAT DEFECTS WILL BE CORRECTED.
AMREIN ENGINEERING AG HAS USED REASONABLE EFFORTS TO MINIMIZE ERRORS OR DEFECTS IN THE SOFTWARE PRODUCT AND DOCUMENTATION.  YOU ASSUME THE RISK OF ANY AND ALL DAMAGE OR LOSS FROM USE, OR INABILITY TO USE THE SOFTWARE PRODUCT AND DOCUMENTATION.  THE SOFTWARE PRODUCT AND DOCUMENTATION IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 
SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES SO THE ABOVE EXCLUSION MAY NOT APPLY TO YOU.  THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.
IN NO EVENT WILL AMREIN ENGINEERING AG BE LIABLE TO YOU FOR ANY DAMAGES, INCLUDING LOSS OF PROFITS, LOST SAVINGS, OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR THE USE OF OR INABILITY TO USE SUCH AMREIN ENGINEERING SOFTWARE PRODUCT AND DOCUMENTATION EVEN IF AMREIN ENGINEERING AG OR AMREIN ENGINEERING AUTHORIZED REPRESENTATIVE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY.
SOME STATES DO NOT ALLOW THE LIMITATION OR EXCLUSION OF LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATIONS OR EXCLUSION MAY NOT APPLY TO YOU.

EXCLUSIVE LIMITATION AND REMEDIES LIABILITIES
AMREIN ENGINEERING AG'S ENTIRE LIABILITY AND YOUR EXCLUSIVE REMEDY AGAINST AMREIN ENGINEERING AG OR ITS AUTHORIZED REPRESENTATIVES FOR LOSS OR DAMAGE CAUSED BY ANY FAILURE OR DEFECT OF THE SOFTWARE PRODUCT OR DOCUMENTATION, REGARDLESS OF THE FORM OF ACTION, WHETHER IN CONTRACT, TORT INCLUDING NEGLIGENCE, STRICT LIABILITY OR OTHERWISE, SHALL BE THE REPLACEMENT OF THE SOFTWARE PRODUCT.  CONTACT YOUR ORIGINAL SOURCE OF PURCHASE TO RECEIVE INSTRUCTIONS ON OBTAINING REPLACEMENT PRODUCT.  THIS WILL BE EXCLUSIVE OF ALL OTHER REMEDIES AGAINST AMREIN ENGINEERING AG AND ITS AUTHORIZED REPRESENTATIVE, EXCEPT FOR YOUR RIGHT TO CLAIM DAMAGES FOR BODILY INJURY TO ANY PERSON.

� 2009 Amrein Engineering AG.  All rights reserved.

AMREIN ENGINEERING AG
Rohrerstrasse. 100
CH-5000 Aarau

e-mail: [email protected]
Tel ++41 (0)62 823 7575
Fax ++41 (0)62 823 7574

Since we are a commercial company, we are hesitant to hand out our source code to the public.
Also, our web parts are probably not well suited as good examples for an introduction into this field. You will find lots of good introductions for web part development on the internet. Codeplex (www.codeplex.com) for example has many interesting examples including free source code.

Yes, we sometimes sell our source code (also with the option to include support in bootstrapping code development within other companies). Another typical process is to create custom code for the customer on a contract basis and then hand out the source code to the customer for future on-site refinements. Please note that there is a restriction that your company could only use the source code for internal purposes (no direct commercialization).

The license key will be forwarded to your mailbox instantly.

Three options to enter License Key:
1. Enter License Key into corresponding "License Key" field in web part configuration pane.
2. Add License.txt file (as supplied by AMREIN ENGINEERING) to the Solution.
3. Add License Key to web.config.
See Web Part Installation Instructions PDF (section "License Activation") for more details.

We provide the source code (for non-commercial internal use only) as part of the premium annual support.

C:\Inetpub\wwwroot\wss\VirtualDirectories\80

The web part license applies to each web front end server.