Questions about software for which the original source code is made freely available and may be redistributed and modified.

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0
votes
0answers
52 views

Library in open source app

I am about to release free open source app on Google Play, which uses some classes from danielnadeau's HoloGraphLibrary (bitbucket.org/danielnadeau/holographlibrary/wiki/Home). Library is under Apache ...
6
votes
3answers
622 views

Does using GCC specific builtins qualify as incorporation within a project?

I understand that linking to a program licensed under the GPL requires that you release the source of your program under the GPL as well, while the LGPL does not require this. The terminology of the ...
0
votes
3answers
40 views

Standard practice to publish and source-control a single file?

I often want to publish some useful standalone script - e.g., a matlab script which converts flac files into wav files. If it were a big project I would immediately place it in Github, however it ...
1
vote
1answer
106 views

Is it acceptable to release a paid application to interface with an open-source backend?

I'm currently in development of an application that consists of two parts: PHP files that a user uploads to their own server, and a smartphone application. Because the PHP files are going to reside ...
2
votes
1answer
108 views

Python Open Source Development

I am looking to contribute to some Python projects on Github, and I am looking for a bit of clarification on the mechanics of doing this effectively. As I understand it, the typical workflow is as ...
0
votes
1answer
76 views

Copyrights for Open Source projects [duplicate]

Say I'm developing a piece of Open Source software (BSD-Like permissive license) and I write the initial release entirely on my own. After the initial release however I would like numerous other ...
3
votes
1answer
78 views

Forks of MIT licensed projects

Let's take an example: User A MIT license Copyright (C) 2014, User A User B other license (not MIT) in which people who fork won't require mention of the current copyright ...
1
vote
2answers
61 views

GPL license for software and online service comparison

I have two questions that are linked : 1) Can someone sell a fork of an open-source software under GPL without distributing the source? Example: Can I modify a little bit GIMP, repackage it under ...
1
vote
1answer
56 views

Open-source licenses and modifications

I see in the GPL license FAQ : Does the GPL require that source code of modified versions be posted to the public? (#GPLRequireSourcePostedPublic) The GPL does not require you to release ...
57
votes
6answers
6k views

Why aren't there code overviews for open-source projects? [closed]

There are very complex open source projects out there, and to some of them I think I could make some contributions, and I wish I could, but the barrier to entry is too high for a single reason: for ...
1
vote
2answers
237 views

It is safe to accept money for open source software that you've written? [closed]

I've written an open source library for iOS, and I've received an email from an overseas developer who wants to pay me for my work so that he doesn't have to attribute in his app. The code is ...
15
votes
17answers
3k views

Isn't open source bad for developers themselves? [closed]

Why do programmers even like the idea of open source? I am not talking about the creators of those projects, of course they get fame, but I am talking about the industry in general, why are we so fond ...
11
votes
5answers
20k views

What does 'Nightly Builds' mean?

I have been using open source projects for a while and been developing upon the open source applications and every so often I come across the words 'Nightly Build' and I have always been curious as to ...
0
votes
1answer
70 views

Original GLUT library was open source, but license prevented releasing any changes to it. What could be the rationale behind such license? [closed]

Original GLUT library is open source, even on GitHub, yet the license doesn't allow any changes to be released publicly (but you can change it for use in your own projects, as is often exercised in ...
1
vote
1answer
71 views

When to choose an open source license?

There are many good questions out there about choosing an open source license, reasons to go open source, etc. However I have not seen an answer to this question and I feel like more people could ...
17
votes
1answer
2k views

What exactly does the condition in the MIT license imply?

To quote the license itself: Copyright (C) [year] [copyright holders] Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated ...
0
votes
2answers
112 views

Linking against LGPL - How to share the code?

I'm working on an Open Source software project (LGPL) which uses another LGPL-licensed software. To make it easier for users and developers I'm delivering and linking against the compiled thirdparty. ...
12
votes
2answers
5k views

How should I select continuous integration tool? [closed]

I found this cool comparison table for integration servers on Wikipedia, but I am a little uncertain how to rank the tools vs. my needs and interests. The chart itself seems to have a lot of boxes ...
1
vote
0answers
151 views

How to develop custom functions on top of Ejabberd?

I'm developing a real time chat app. After searching around for a while, I found Ejabberd and Erlang is a good option. The question is the Ejabberd is not providing all the functions I need. I need ...
2
votes
2answers
136 views

Can software with a restrictive open source license (GPL,AGPL) be used as part of a tool chain in a commercial software package? [duplicate]

If we use a nice library like TetGen, generate a simple application-wrapper that simplifies our needs and publish it as open source, can we use it inside some Pipe/Chain of applications used in our ...
4
votes
4answers
235 views

Do I have to make source code open, if I use GPLv2 licensed software to derive data

I'm working on a calendar project, on my own. In this project I've to use Swiss Ephemeris. It is licensed under GPLv2 and commercial. With commercial version of license, developers entitled to ...
-2
votes
3answers
288 views

What is meant by Open Source Programming Language? [closed]

What does it mean when we say that it is an open source programming language? I mean is it the implementation (compiler/runtime) of the language which can be open or close in nature or something else. ...
2
votes
2answers
125 views

Software license without modify

I have my own company, and I would like to release our customer management system as open source so everybody can see what we do. But it is very important to me that I don't want anyone else to use ...
18
votes
5answers
2k views

How would one handle external dependencies in an open-source project?

When one writes an open-source project and uses Google Code or GitHub, and wants to use a library like Lua, how should one do this? Should the dependency be included in the repository? Should the ...
5
votes
2answers
333 views

Is it better to have publicly viewable FOSS code even if it is not your best work compared to none at all for employment? [duplicate]

I have a number of foss tools I have written and have released but under aliases. I guess I am worried that the code is not my absolute best and is not the most robust code around. So I have always ...
-3
votes
1answer
55 views

Java Licenses, GPL, GNU Questions

I would like to ask a few questions about software licenses, with regards to a (Java) program I am making. I am very very new to licenses, so please bear with me. 1. If I produce a Java program using ...
88
votes
14answers
10k views

Is it illegal to rewrite every line of an open source project in a slightly different way, and use it in a closed source project?

There is some code which is GPL or LGPL that I am considering using for an iPhone project. If I took that code (JavaScript) and rewrote it in a different language for use on the iPhone would that be ...
2
votes
1answer
99 views

Applications using GPL code and run-time libraries of proprietary IDEs

The GPL is described as a 'highly viral' license (if an application contains code which is licensed under GPL, distribution requires open sourcing of the whole application). Do I understand correctly ...
2
votes
1answer
50 views

Is a guardfile part of the private developers environment or the public OSS project?

Let us say I have an open source project on github. Now I wish to include tools required to develop the project so others can easily contribute. It is hard for me to tell when these tools should be ...
0
votes
2answers
53 views

GPL - No version mentioned [closed]

This software is allowed to use under GPL or you need to obtain Commercial License to use it in non-GPL project. The above is mentioned on an open source project. It does not mention GPLv3 or ...
7
votes
3answers
540 views

Why do I have to keep my open source software license in the root?

Nearly all open source software licenses require (or at least lawyers generally suggest they require) users to include the full license in the root of the project that they are protecting. One lawyer ...
2
votes
1answer
83 views

How to make an open source project popular? [closed]

I have recently started a project, a CSS/JS library, on Github. I'm already pretty far with it and was wondering: How do I make it popular? How did other libraries that are very famous now, like ...
18
votes
5answers
2k views

“Open-source” licenses that explicitly prohibit military applications

I am a researcher, and in my research I do a lot of programming. I am a big fan of the open-source concept - especially in research, where transparency and reproducibility is already a big part of the ...
1
vote
1answer
94 views

How to responsibly handle license mistakes?

Say I push to a public repository an original file that I cover under a specific license. I later (or even immediately) find out that this license is incompatible with other licenses in the project. ...
36
votes
4answers
7k views

Is there a chart for helping me decide between open-source licenses? [closed]

The Open Source Initiative lists 9 different licenses in their list of "License that are popular and widely used or with strong communities". I want to license my project as open-source. ...
1
vote
1answer
100 views

Having unwanted bits in version control history

Consider having a project which you would want to release as open-source. There are parts which you have removed, but still remain in version control history. License of those parts is not ...
1
vote
1answer
54 views

Using a zLib like icensed library which has dependencies on LGPL or GPL libs; what license am I able to release my project under?

If I use an Open Source library which is released under a zLib like license, but it has dependencies on libraries that are using LGPL or GPL; what license am I able to release my project under? If I ...
0
votes
1answer
104 views

How does the GNU General Public License (GPL) conform to the Open Source Initiative's (OSI) Open Source Definition (OSD)?

From the OSI's OSD: Free Redistribution The license shall not restrict any party from selling or giving away the software as a component of an aggregate software distribution ...
5
votes
2answers
329 views

GPL- How much source must be released?

Suppose I have a GPL v2-licensed library that is of interest to a closed-source project (e.g. Wolfram Alpha). If some of my code were used in Wolfram Alpha, or a product that interfaces with Wolfram ...
3
votes
2answers
206 views

Which programming idiom to choose for this open source library?

I have an interesting question about which programming idiom is easier to use for beginner developers writing concrete file parsing classes. I'm developing an open source library, which one of the ...
6
votes
4answers
1k views

How can open source projects be successful without documentation about their design or architecture?

I want to improve my programming skills by studying famous open source projects, but I find it is easy to get lost by just jumping into their source code. So I decided to read their documentation ...
99
votes
8answers
10k views

How to avoid being forked into oblivion by a more powerful contributor?

As recently reported here: Xamarin has forked Cocos2D-XNA, a 2D/3D game development framework, creating a cross-platform library that can be included in PCL projects. However the founder of ...
17
votes
9answers
5k views

Why hasn't C# gained much traction within the opensource community? [closed]

I'm not expecting C# to be on par with say Java or Python in the open source community, but it still surprises me just how far behind it is. 'Multi language' open source repos like google code or ...
0
votes
2answers
116 views

What is considered to be a “modification” of sources under the BSD license?

I have a question about the 3-clause BSD license based on it's Wiki description. It states: Redistribution and use in source and binary forms, with or without modification, are permitted ...
1
vote
3answers
89 views

Do you think asking to sign contributor license agreement for a open source project creates a resistance for contributors? [closed]

I am working on a open-source project which is backed by an organization. Organization pays a team to make this open-source project. This project will be licensed with GPLv3. We are debating on ...
2
votes
1answer
166 views

And at what point of modification to the original does source code with no license become owned by me?

I've recently come across a publicly viewable project on Github that has no license associated with it. In this repo, there is a file with the logic and most of the code needed to work as a piece of ...
1
vote
3answers
615 views

Should we enforce code style in our large codebase? [duplicate]

By "code style" I mean 2 things: Style, eg. // bad if(foo){ ... } // good if (foo) { ... } Conventions and idiomaticity, where two ways of writing the same thing are functionally equivalent, but ...
10
votes
2answers
284 views

How to handle growth of an open source project?

I've been involved in helping out doing support for an open source project for a year or two now, and the project has gained a lot of popularity since I started. The program sees more than 100,000 ...
2
votes
1answer
58 views

How does code produced on an open-source framework is affected by it's original license (MIT in this case)

I'm looking into building a new PHP commercial app for a client that will be hosted as a paid service and possibly resold to third parties with a non-compete clause. I've tested a few frameworks and ...
0
votes
2answers
111 views

Open source from protected rights

I've got a question about author rights and open source software. Assuming I want to build a software. A similar software is already created, but isn't free at all and owned by a company. Can a build ...