The primary business model for closed-source software involves the use of constraints on what can be done with the software and the restriction of access to the original source code. This can result in a form of imposed artificial scarcity on a product that is otherwise very easy to copy and redistribute. The end result is that an end-user is not actually purchasing software, but …

These tables compare free software / open-source operating systems. Where not all of the versions support a feature, the first version which supports it is listed. Where not all of the versions support a feature, the first version which supports it is listed.

Operating system support. Browsers are compiled to run on certain operating systems, without emulation.. This list is not exhaustive, but rather reflects the most common OSes today (e.g. Netscape Navigator was also developed for OS/2 at a time when macOS 10 did not exist) but does not include the growing appliance segment (for example, the Opera web browser has …

The following licenses are considered open-source by the Open Source Initiative and free by the Free Software Foundation. Microsoft Public License (Ms-PL) [ edit ] This is the least restrictive of the Microsoft licenses and allows for distribution of compiled code for either commercial or non-commercial purposes under any license that complies ...

Yes (originally closed-source) Text-based CLI: No No No No No No Yes (automatic via $$$.SUB) Partial (only via external SUBMIT command to update $$$.SUB) No Yes COMMAND.COM: DOS: COMMAND: 1980 No (3rd party implementations, not bound to a specific DOS vendor or version, available) DOS, Windows 95, 98, SE, ME: DOS, Windows 95, 98, SE, …

This is a comparison of mobile operating systems. Only the latest versions are shown in the table below, even though older versions may still be marketed. About OS ... Base system is Free and open-source. Closed-source drivers are often needed for hardware support. Proprietary, open source kernel and core: Partial; both proprietary and open ...

The following comparison of video players compares general and technical information for notable software media player programs. For the purpose of this comparison, video players are defined as any media player which can play video , even if it can also play audio files.

The BSD license is a simple license that merely requires that all code retain the BSD license notice if redistributed in source code format, or reproduce the notice if redistributed in binary format. The BSD license (unlike some other licenses e.g. GPL) does not require that source code be distributed at all.

Definition and related principles Internet neutrality. Network neutrality is the principle that all Internet traffic should be treated equally. Internet traffic includes all of the different messages, files and data sent over the Internet, including, for example, emails, digital audio files, digital video files, torrents etc. According to Columbia Law School professor Tim Wu, a public ...

FaceTime is a proprietary videotelephony product developed by Apple Inc. FaceTime is available on supported iOS mobile devices running iOS 4 and later and Mac computers that run Mac OS X 10.6.6 and later. FaceTime supports any iOS device with a forward-facing camera and any Mac computer equipped with a FaceTime Camera. FaceTime Audio, an audio-only version, is …