The Pale Moon browser is open source and free software.
This means that it is not only available for download free of charge,
but you have access to the source code and may modify and redistribute
our software subject to certain restrictions. Our source code is for
the most part covered by the Mozilla Public License v2.0, but various
parts and libraries included in the browser carry different licensing,
and as a whole this project has a hybrid licensing model which is
governed by various licenses outlined in about:license in the browser
itself. Please make sure you understand the licensing involved before
publishing derivative works.
For more details, please read about our source code license. To get a
complete overview of which part of this software is covered by which
free software license, type about:license in the address bar.
Although our source code is free, it is very important to
we strictly enforce our trademark (™)
rights, in order to be able to protect our users against people who use
the marks to commit fraud. Our trademarks include, among others, the
names Pale Moon™ and "Your Browser, Your Way"™, as well as the Pale
Moon™ logo, Goanna™
name and logo, Goanna Runtime Environment™, GRE™ and other project and
product names. This means that, while you have considerable
freedom to redistribute and modify the software's core code, there are
restrictions on your ability to use the names and logos in
ways which fall in the domain of trademark law, even when these
trademarked names and assets are included in
the source tree and built into
binaries that we provide for distribution.
In addition, we do use some of Mozilla's trademarks in our
communication, like Mozilla's
trademarks of Firefox® and XUL™. We honor and respect these trademarks
to belong to their respective owners and use them to refer to specific
products and technologies incorporated in, or in relation to, our work
For more detail on our trademark licensing, see our Branding Policy and Redistribution
Executable software binaries of core products released by
Moonchild Productions, such as Pale Moon, are made available under the
terms of the binary redistribution license.
This license also outlines the situation where binaries are built from
source with official branding. Please note that this redistribution
license grants additional
permissions to otherwise protected content (like branding) not falling
under the MPL to allow building and distribution of the browser
specifically in environments where pre-built binaries may not be the
It should be noted that Basilisk, a different browser made by
not come with the
freedoms associated with the binary distribution license (as for
allowance to distribute officially-branded binaries not built by us),
and any redistribution of built-from-source binaries may not carry
official branding, regardless of operating system.
Helper applications and tools may be made available under
different licenses like the Pale Moon
Freeware License or MIT licenses -- please see the applicable page
of the tools or
utilities in question to see which license(s) apply.
On some proprietary, non-free platforms, necessary binary components
(such as runtime libraries) subject to other licenses may be included
in the installer or packaged
with the application.
Other publication materials
Other materials for publication, like screenshots of the
software, videos of its operation, presentations including the software
in operation and similar forms of representative display of the
software do not fall under redistribution restrictions as they are
considered to fall under fair use
when directly referring to the software. As such they may be freely
used, shared, reproduced and published, even if they include otherwise
protected branding names or imagery. For more details, please refer to
common texts about fair use of trademark names, product/company logos
and similar materials in the context of promotion and informative
Informative, Not Authoritative
This page is designed to inform, not to be the final,
authoritative reference. If you're looking to reuse or redistribute
something we have created, always check the licensing in the object of
interest itself (for example, in the footer of a web page, or in the
"About" box of software) after you've looked at this document.
In case of a conflict between this document and other
documents (for example, if this document and the header file of a
particular source code file conflict) the other document should take
precedence. If you do discover such a conflict, please notify firstname.lastname@example.org so we
can fix it.
If, after reading all the above carefully, you have a further
question about the licensing terms of anything created by Moonchild
Productions or the Pale Moon project, please send the question to email@example.com.