Free Software Directory:Antifeatures

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Disclaimer: do not modify this page before 1st May.

This page has been under heavy development, we need to step back and look at it from a fresh perspective. Please participate in the Discussion page so we can modify the Draft meanwhile. Also, categories are always reserved so don't remove them even if they don't have anything listed for the moment.

Antifeatures are flags applied to applications to warn of issues that may be undesirable from the user's perspective. Frequently it is behavior that benefits the developer, but that the end user of the software would prefer not to be there.

The pages of applications which have antifeatures include a prominent warning added to the page source.

Discussion is happening on the talk page and mailing list, and Dev for work in progress. Useful related pages: Free System Distribution Guidelines (GNU FSDG) and software categories, Free Software Directory:Requirements.


Bait and surrender

There are two versions of this software, one free and one proprietary. The proprietary version may have more features, but the free software version is still useful. Users should be careful to use only the free software version of the package, to avoid surrendering their freedom.

0 listed:

Nonfree documentation

One of the following:

  • Primary documentation is not freely licensed
  • The primary documentation or important related resources (e.g. forum, news), require running nonfree code (e.g. nonfree javascript).

0 listed:

Free fork needed!

The developer has betrayed the community by moving to a proprietary license, but people can continue to use and fork the last free version.

1 listed:

 LicenseVersion identifierVersion date
SourceForgeGPLv2orlater2.54 November 2001


The software is no longer maintained and has been superseded by another program based on it.

1 listed:

 LicenseVersion identifierVersion date
Other April 2014


Adware, or advertising-supported software, is any software package that automatically renders advertisements in order to generate revenue for its author. Some users may happy to support the author in this way, but many would prefer this feature did not exist or was disabled by default.

1 listed:

Adblock PlusAdblock Plus (ABP)


This software is not part of the Free Software Directory except to warn against using it. It is not free software or includes severe malware and many people have been lead to believe it is ethical free software. Once there is no longer a popular misconception about this fact, it's page will be deleted like any software which does not meet the requirements.

1 listed:

Blacklist/Web of Trust - WOT

Name uses a word to avoid

There are a number of words and phrases that we recommend avoiding, or avoiding in certain contexts and usages. Some are ambiguous or misleading; others presuppose a viewpoint that we disagree with, and we hope you disagree with it too.

When considering which free software to use, this anti-feature is less problematic compared to the others so it displayed less prominently in yellow.

"Linux System"

Linux is the name of the kernel that Linus Torvalds developed starting in 1991. The operating system in which Linux is used is basically GNU with Linux added. To call the whole system “Linux” is both unfair and confusing. Please call the complete system GNU/Linux, both to give the GNU Project credit and to distinguish the whole system from the kernel alone.

This tag is reserved for obvious and unambiguous references to the GNU/Linux operating system, not the Linux kernel. This unambiguity includes the context of it's homepage and documentation. Note, software which depends on Linux kernel system calls or features usually do not have unambiguous references in their name.

6 listed:

 LicenseVersion identifierVersion date
Circus LinuxGPLv21.0.328 April 2001
V-linux-toolsGPLv30.110 December 2013

Search the FSD for linux


This Antifeature is applied to software that track you and/or report your activity to somewhere, either without your permission or by default (i.e. you'd have to actively seek out an option to disable it).

2 listed:

Adblock PlusAdblock Plus (ABP)

Update needed!

1 listed:

IceCatMobileGNU IceCatMobile

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.