Goanna is an

open-source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized so ...

browser engine A browser engine ( also known as a layout engine or rendering engine) is a core software component of every major web browser. The primary job of a browser engine is to transform HTML documents and other resources of a web page into an interacti ...

that was forked from

Mozilla Mozilla (stylized as moz://a) is a free software community founded in 1998 by members of Netscape. The Mozilla community uses, develops, spreads and supports Mozilla products, thereby promoting exclusively free software and open standards, ...

Gecko Geckos are small, mostly carnivorous lizards that have a wide distribution, found on every continent except Antarctica. Belonging to the infraorder Gekkota, geckos are found in warm climates throughout the world. They range from . Geckos a ...

. It is used in the Pale Moon and

Basilisk In European bestiaries and legends, a basilisk ( or ) is a legendary reptile reputed to be a serpent king, who causes death to those who look into its eyes. According to the '' Naturalis Historia'' of Pliny the Elder, the basilisk of Cyre ...

browsers. It underlies the ''Interlink'' mail client, Hyperbola's IceWeasel, and other UXP-based

applications Application may refer to: Mathematics and computing * Application software, computer software designed to help the user to perform specific tasks ** Application layer, an abstraction layer that specifies protocols and interface methods used in a c ...

. It was also unofficially ported to

Windows XP Windows XP is a major release of Microsoft's Windows NT operating system. It was release to manufacturing, released to manufacturing on August 24, 2001, and later to retail on October 25, 2001. It is a direct upgrade to its predecessors, Wind ...

for the K-Meleon browser and Mypal. Goanna as an independent fork of Gecko was first released in January 2016. The project's founder and lead

developer Developer may refer to: Computers *Software developer, a person or organization who develop programs/applications * Video game developer, a person or business involved in video game development, the process of designing and creating games * Web de ...

, M. C. Straver, had both technical and trademark motives to do this in the context of Pale Moon's increasing divergence from

Firefox Mozilla Firefox, or simply Firefox, is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. It uses the Gecko rendering engine to display web pages, which implements current ...

. There are two significant aspects of Goanna's divergence: It does not have any of the Rust language components that were added to Gecko during Mozilla's Quantum project, and applications that use Goanna always run in single- process mode, whereas Firefox became a multi-process application.

References

{{Free-software-stub Gecko-based software Software that uses Cairo (graphics) Cross-platform software Free layout engines Free software programmed in C++ Software forks