X-Nico

unusual facts about closed source



SmoothWall

Based in Leeds and Southampton, with USA offices in Charlotte, NC and Irvine, CA, the company has continued to develop the commercial, closed source Smoothwall product range, while moving from its initial direct sales model to a reseller, channel-based sales model.

VEMS

Later source was under an open source license, however since 3.2 the system is effectively closed source.


see also

Binary blob

Prominent Linux kernel developer Greg Kroah-Hartman has stated that it is illegal to redistribute closed source modules for the GPL-licensed Linux kernel.

Direct Rendering Infrastructure

Some graphics vendors have written closed-source DRI drivers, including ATI and Kyro.

FlashCP

It is part of the mtd-utils package, unrelated to the above, proprietary, closed source, Windows software.

Journey to Rooted Hold

The library which handles connections to the online database (CaravelNet) is closed-source, although the rest of the game remains open-source under the Mozilla Public License and a fully functional executable (minus the CaravelNet connectivity features) can be made with the released source.

Open-source software security

The Poisson process can be used to measure the rates at which different people find security flaws between open and closed source software.

Panvalet

Unlike open-source solutions such as CVS, SVN or Mercurial, Panvalet is a closed source, proprietary system for versioning and control of source code such as Microsoft Visual SourceSafe on personal computers.