licensing

Difference between CDDL (Suns OS License) and GPL

What are my obigations if used by commercial software ? Is it GPLish or closer to ASL 2 ? ...

Advice on creating derivative works based on OpenJDK sources carrying the "classpath exception"?

I'm trying to provide more JRE support for use in my GWT programs. GWT works by cross-compiling Java source into optimized JavaScript. To do this it must have access to translatable source at compile time. "Translatable" in this case means you can't use anything which is not possible in JavaScript within a browser, like opening files, st...

SQL Server Licensing for QA Machines

I'm currently working on some infrastructure costing, and I'm having a bit of trouble finding the best solution for SQL Server licensing for QA servers. We're developing an ETL solution using SSIS. Our solution doesn't have a database per se, but is utilizing SSIS to run validation and transformation on text files in flight. Because we ...

Eziriz Intellilock on Vista 64 bits

Hi all, I'm using Eziriz Intellilock to protect a .NET windows application. The application targets .NET 2.0 and is built with "Any CPU" target. When it's unlocked it works fine in both 32bit and 64bit Vista. However, when I lock it with Eziriz Intellilock, I can only run the locked version in 32bit Vista. When trying to run in Vista 64...

Question about LGPL/GPL licensing

Hi I have a web app(commercial) that uses a component(LGPL). This component has a plug in architecture. I have now created a plug for this component that use a library (LGPL). This library uses a data source which is GPL. Does this mean I have to free the source for my web app? or is just necessary to release the source for the plug i...

Can I use upx packer to compress a commercial program?

Can I use upx packer to compress a commercial program? Or does GPL restrict me from doing that? ...

What are the licence restrictions for the RxTx Library

I want to make an Application that uses RxTx version 2.2pre2 to work with Serial Ports. What are the Licence restrictions, since it is an "LGPL v 2.1 + Linking Over Controlled Interface" licenced library if I don't use the Sun's javax.comm.* interface, but the RxTx's own gnu.io.* when importing into Java Files? ...

how to create a secure licensed j2ee application?

We are developing a j2ee application backed by any database of customer choice. We will sell to customers based on per user license price. How do I make sure, the application is getting used as per our conditions, i.e., not easily hackable? Are there any tutorials available? ...

From a GPL standpoint, is it still open-source if no one knows about it?

If you use Ext JS you are required to either open source your app or pay for a commercial license. So I was wondering, if I open source my app, can I claim it's open source even if I'm not hosting the code on a public open source repository? I want to meet the requirements of Ext's Dual Licensing because I can't afford to pay for a comme...

What do licenses mean? GPL, MIT, CC etc.

Hello, I am trying to understand various licenses. I usually do small projects in which I use say a jquery plugin which is under MIT license. Now is it okay for me to do the same? Is there a sort of a matrix which compares all the licenses (major ones atleast) and tells me just one thing: Royalty-free ability to use in commercial proj...

.NET Licensing Components

I'm looking for not too intrusive to the end user and decently priced .NET Licencing components. Especially something allows serial key and time based expiration. Any recommendations? ...

Usage of ExtJS under GPL v3

If I decide to use ExtJS under GPL v3 instead of a commercial license model (Dual License Model), what exactly do I need to open source? I do not modify the library in any other way than configuration. Do I nevertheless need to publish the source code of my application? And if so, do I have to publish all code, even server side code? ...

BSD-new license binary redistribution clause

The following is a clause in the new-style BSD license: Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. I've translated some BSD-licensed C code into the D programming language and a...

relicensing a BSD library

I like a library released under BSD license. This library is not actively maintained since late 2007. Can I fork the library and relicensing under an Creative Commons license? The original author must be informed? Are there problems other than these? EDIT Based on the feedback provided by several answers I'm providing more details ...

VSFlexgrid licensing issue in VB6

I am having a licensing issue with our VideoSoft VSFlexGrid 7.0 in VB6. When I create a new FlexGrid it triggers a message box with a licensing/about message. We have a license but it appears that VB does not quite keep it. Is there a way to get rid of this message? I currently use a workaround: instead of creating a new FlexGrid I copy...

ASP.NET Application Licensing Patterns, Strategies, Best Practices

We have a suite of products that are all built on the Microsoft ASP.NET platform. The products run on a common platform (set of services) and each product is highly modularized (basically in the UI layer, features/modules can be turned on or off). A given site may license the platform and 2 modules but not the other 5. Right now we ma...

Proprietary service backed by a GPL software?

Imagine this scenario: I develop an open source software (a kind of chatting server). And I don't mind if somebody decides to install this server and offer a paid service based on it. Does GPL license allow this? Or should I publish the software under MIT or smth like this? ...

Date based licensing logic for Java web app?

I am trying to come up with a logic for a date based licensing mechanism for a Java web app. The app needs to be deployed in client sites which may not have access to the Internet (deployed on the intranet). In this case how do I build a licensing mechanism based on Start / End Dates. If I use the server system Date / Time for this, I ri...

GPL License in closed source application

Hello, This question has been asked multiple times I know. From what I understand, broadly speaking, if I include a GPL module in my app, I have to also release my app's source code for free. Now if the module is a java app (which I have modified) and included in my own java app, and say I use it as an applet on my website, do I need t...

XUL runner as GUI framework for my application,what am i missing here?

Hello all recently i was introduce to the mozilla XUL runner as framework for front line GUI this seems to be idial framework to me ( none GUI person ) based on xul and js for events and gives me the possibility to use c++ as back end ( xpcom ) . its seams to good to be perfect . my question is for the guys that have expireance in th...