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News: April 20, 2023: Bug fix: Different UXP pro­grams can now be run at the same time. However, as Thunderbird forks may share email profiles, concurrent execution of two or more pro­grams of that type is block­ed.

April 09, 2023: Updated to latest up­stream code as of April 09, 2023. Also add­ed Epyrus.

What is this page?

This page provides source tarballs for the UXP Browser Bundle including Albus Luna aka AlbusLuna and three UXP forks of Thunderbird.

Albus Luna is a Classic Firefox (tm) work-alike based on a well-known Firefox (tm) fork.

The up­stream fork — Pale Moon (tm) — is con­sid­er­ed to be important. However, it's dis­tri­bu­ted under unusually re­stric­tive terms and con­di­tions.

Albus Luna is, in short, a work­ing pre-Quantum Classic Firefox (tm) fork that you can mod­i­fy largely as you wish.

As of 2022, Albus Luna was the only non-End of Life browser of this type. Pale Moon (tm) had done the hard work but it was a walled garden.

A re­la­ted goal is assemble a few of the best XUL ex­ten­sions from the past 10 to 20 years and to ship them with Albus Luna. In some cases, the ex­ten­sions will be pre-in­stall­ed and in other cases they'll be avail­able but not in­stall­ed.

The browser comes with uBlock Origin, ScrapBook X, Tab Mix Plus, and Saved Password Editor pre-in­stall­ed and more ex­ten­sions will be add­ed.

The UXP Browser Bundle features Albus Luna and 7 other Mozilla pro­grams in one easy-to-build source tree:

Classic Firefox — As Albus Luna
Netscape — Or a reason­able facsimile
Seamonkey — As Blue Gorilla
Thunderbird — As Icedove, Interlink, and Epyrus
Chatzilla — As Ambassador
Borealis Navigator

Unpack the source tarball, install a few de­pen­den­cies, and run a single “bash” script. 4 hours later — de­pend­ing on hardware — you're Mozilla'd up with 8, count 'em, 8, Mozilla pro­grams that include XUL sup­port and no need for Rust.

It's never been this easy to fill your distro to burst­ing with pre-Quantum non-Rust Mozilla soft­ware. XUL Forever is the endeavour.

Here are the links:

For complete build documentation, read: uxp-browsers.txt

Latest source tarball: uxp-browsers-230420.tar.bz2

This source tarball corresponds to the latest — PaleMoon (tm) — git snapshot as of April 09, 2023.

Alternate link: This link will always go to the latest release:

uxp-browsers-latest.tar.bz2

Warning: The tarball is over 250MB in size.

Contact Email: me at albusluna dot com

Some caveats:

This source tree is intended for devel­op­ers. There are rough edges.

One example is that most of the Help links and simi­lar links which are built into the pro­grams go to Error 404 pages and/or obso­lete pages. This issue will be addressed over time.

The source tarball pre­sent­ly omits most git histories.

Your phone or window is too narrow for the image. If it's a phone, try rotating the phone or switch­ing to a PC. Or click here to go to a copy that may be zoomable.
AlbusLuna is Better than Tuna
AlbusLuna web browser

Your phone or window is too narrow for the image. If it's a phone, try rotating the phone or switch­ing to a PC. Or click here to go to a copy that may be zoomable.
Netscape Lives Again
UXP Netscape browser fork

To address a ques­tion that has been received: No, it doesn't seem to be an I.P. violation of any type to dis­tri­bute FOSS source code descended over decades from Netscape (tm) that happens to build a work-alike to the orig­in­al browser; with or with­out images that are trademarked.

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