licensing

Question on importing a GPL'ed Python library in commercial code

Hello all, We're evaluating a couple of Python libraries for Graph manipulation. We tried 'networkx' (http://networkx.lanl.gov/) and 'igraph' (http://igraph.sourceforge.net/). While both are excellent modules, igraph is faster due to its nature - it's a Python wrapper over libigraph - a blistering fast graph C library (uses LAPACK etc...

Legality of including `gdiplus.dll` and `msvcp90.dll` with my app

Is it legal for me to include gdiplus.dll and msvcp90.dll with my application? Note that I intend to release my application under the MIT license. ...

Storing license details

Hi All, I have a doubt in licensing. I am using C# application. Scenario: User gets the license for the application through mail in the form of file. He/She stores the license file on the Desktop. Later, he/she chooses the license and click register. Now the application is registered (Licensed). After some days, if user deletes the li...

Can I sell closed source software that depends on an open source application?

I intend to sell a closed source software that depends on PostgreSQL (BSD-style license). Can I bundle PostgreSQL server in the package and install it with my software? Would it be also possible if I was using MySQL (GPL)? ...

What is covered by the "not for redistribution" clause in licenses?

Sorry if this isnt suited to this site, I wasnt really sure about it. Basically I have a 3rd-party application which is free to use but which says its not redistributable which I was hoping our group could use but I am unclear if making it available on a purely internal network share for the group would violate this or not? Is something...

Code header for proprietary code

We need to send some source codes outside of the company and I have to add header to each file with notice which explicitly state that source code is our property and nobody is allowed to do anything with it. Do you know any header templates which I can use? ...

Would an open source project have "Copyright. All rights reserved." written on its licensing disclaimer?

I was trying to make some code I wrote be published under LGPL. I included the appropriate header in each file, but StyleCop told me to include a copyright notice also. But I think that "Copyright. All rights reserved." is not intended to free software. Should I remove it? ...

Is it important to choose a software license for unit tests?

I have licensed my software under LGPL. I am too lazy to include the licensing headers in all files, so I skipped the unit tests files. Is that a problem? ...

Concurrent license monitoring for a web page with JavaScript?

What is the good method to implement a cross platform CONCURRENT USERS monitoring for a .HTML page that contains a simple javascript application. The tricky part is that the web servers hosting this html page differ a lot, each customer has their own LMS/Web server, so web page could be running inside IIS or apache etc. ( I have no cont...

Development/runtime Licensing mechanism for a C# class library?

I'm developing a .Net class library (a data provider) and I'm starting to think about how I would handle licensing the library to prospective purchasers. By licensing, I mean the mechanics of trying to prevent my library from being used by those who haven't purchased it, not the software license (i.e., Apache, Gnu, etc). I've never dea...

Scan Source Code for Licenses Used

I remember encountering a commercial software that scanned a project's source code and provided a list of all the different software licenses it used. That is, it would find all the third party code used in a project and give their licenses (Apache, GPL, ...). Can anyone provide a link to such a program? ...

Good or Bad experiences with CryptoLicensing?

I'm planning to buy CryptoLicensing but before buying it I'd like to get some feedbacks if anyone tried it before. Also it'd be interesting if anyone cracked it or spotted an easy hack against it. I've seen some other SO questions regarding the choosing a .NET licensing component but if you currently happy with another component it'd be...

How to check license validation for N computers

Hi. i am developing a software (Desktop based app in C#) which will be run in client server environment. Separate license file will be generated for each user and it will be checked on application startup. there is a requirement that it should also work in network environment. there should be no multiple license files for each compute...

Could ROWLEX be used as .DLL files in commercial projects (because of some non-LGPL components)?

As people asked in How can ROWLEX be licensed under L-GPL while it uses SemWeb which is GPL? there is no definition if ROWLEX could be used as a library freely in commercial projects. How free is to use it in such projects? Is it possible to contribute to this project and simultaneously use it freely in commercial sector? ...

Application verify license enforement?

If I enforce a licensing restriction on my application,say the first time the application runs,then should my application check the restrictions (could be a encrypted license file) each time? How do you design this part? What is the best way? Basically I would like someway to save CPU cycles somehow(encryption means decryption blah blah ...

Is this a valid LGPL scenario?

Suppose I have Project X under closed source. It references/links to component Y which is LGPL, we make modifications to component Y 1) We release Project X binaries with the source to the modified component Y OR 2) We contribute component Y modifications back upstream (to the original author(s)) and release Project X binaries without...

What does it mean for me if a software is licensed under GPLv3?

I'd like to use a blogging engine that's released under GPLv3, and I would like to customize it. The thing is, I don't know what this license means, in practical terms ( not free software, free beer terms ). Am I allowed to modify it? What am I not allowed to do ? Thanks ...

Releasing company's code on free software licence

My company (EU-based) is considering to release some parts of our code under a free software license. We are going to ask lawyers, but firstly I'd like to ask what problems should we expect when doing that? We are planning to use LGPL license, mostly because we want to be able to reuse other people's code in our (closed) software later t...

SQL connection failure and network reliability

Are there any tools to quickly test network reliability to a SQL server? We are receiving error reports from a particular customer who has a random "connection failure" message popup throughout the day. We have identified a few spots where this error might occur, but at different times of the day the code executes perfectly. Some other ...

Modify sources under Apache License 2.0

Say I am working on some application in my free time, with non-commercial purposes. Surfing around I find some sources from some developer that has created a parser for the type of data I am also working on. But his parser is way better than mine. I would like to copy it into my project, and modify it to suit my needs. It is licensed u...