Alternatives to Floorp
A Firefox build from Japan with vertical tabs, workspaces, split view and web panels already wired in. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Floorp
A Firefox build from Japan with vertical tabs, workspaces, split view and web panels already wired in.
Replacements
Listings that take over the same core job as Floorp.
Zen Browser
A Firefox build with vertical tabs, workspaces and split view, aimed at people who found Arc appealing.
Zen Browser is another Firefox build with vertical tabs, workspaces and split view in an Arc-style layout, with ARM64 builds but interface changes between releases.
Firefox
The main browser not built on Chromium, with tracking protection turned on by default.
Firefox is the upstream, so security updates arrive first and Android and iOS builds exist, but it offers tab groups and containers instead of built-in workspaces and web panels.
Vivaldi
A Chromium browser for people who want tab stacks, split screen and a mail client in the same window.
Vivaldi offers tab stacking, tiling, vertical tabs and built-in mail and calendar on Chromium instead of Firefox, and it is not open source.
Waterfox
A Firefox build with telemetry stripped out, ad blocking and encrypted DNS turned on from the start.
Waterfox stays on Firefox with telemetry removed, ad blocking and encrypted DNS on by default, and an Android build, focusing on privacy rather than layout features.
LibreWolf
A Firefox build with the privacy settings already turned up and uBlock Origin included.
LibreWolf stays on Firefox with uBlock Origin and strict privacy defaults, focusing on privacy over layout, and it deletes cookies and logs you out on close.
Arc
Chromium browser organised around spaces, a sidebar and split views.
Arc offers spaces, a sidebar and split view on Chromium instead of Firefox, is closed source, requires an account and has no Linux build.
Mercury
A Firefox fork with compiler optimizations and privacy patches taken from LibreWolf, Waterfox and GNU IceCat.
Mercury is a single-developer Firefox fork with compiler optimizations and privacy patches from LibreWolf, Waterfox and IceCat, offering a portable variant rather than workspace features.
Also worth comparing
These listings name Floorp as their own alternative, so the relationship runs both ways.
Lunascape
Japanese browser with built-in ad blocking and a crypto wallet.
Floorp is an open-source Japanese Firefox build with vertical tabs, workspaces and split view built in, moving you to the Gecko engine and Firefox add-ons.
Pale Moon
Independent Firefox fork with the classic interface and XUL extension support.
Floorp is a current Firefox build with a heavily customisable interface, vertical tabs and workspaces, but it runs modern Firefox add-ons rather than XUL extensions.
SigmaOS
macOS browser that organises tabs into workspaces and treats them as tasks.
Floorp is a free, open-source Firefox build with vertical tabs, workspaces and split view built in, and it runs on Windows, macOS and Linux.
Sleipnir
Japanese Chromium browser from Fenrir built around mouse gestures and text rendering.
Floorp is an open-source Firefox build from Japan with vertical tabs, workspaces and split view, trading the Chromium engine for Gecko and Firefox add-ons.
Wavebox
Workspace browser for juggling many web apps and multiple accounts of the same service.
Floorp is a free, open-source Firefox build with workspaces, split view and web panels built in, with containers available for keeping separate logins apart.
Similar software
Related functionality, not a direct replacement.
Min
Browse with a minimal interface and grouped tabs.
Shift
Workspace browser for juggling several email and SaaS accounts.
Naver Whale
Korean Chromium browser with a sidebar, split tabs and built-in capture tools.