Mothra browser

This page was last updated at: Feb 24, 2026

Mothra was a web browser that ran on Desktop devices. It was discontinued in 2011.

About Mothra

Browser URL	https://github.com/ocoufal/mothra
Tag line	A lightweight web browser for Plan 9
Development Status	Discontinued The developers have announced that the browser won't be developed any more Mothra first appeared in Plan 9 from Bell Labs (1995). It was later modified for inclusion in 9front (September, 2011).
Launched	1995
Discontinued	2011
Operating Systems	Plan 9
Device platform	Desktop
Rendering Engine	Custom
Lightweight Browser	Mothra omits some mainstream features in order to reduce system resource & memory usage.

Source Code Repository	https://github.com/ocoufal/mothra

Wikipedia Article	https://en.wikipedia.org/wiki/List_of_Plan_9_applications#Web_browsers
General Info	Mothra man page

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