What does SplitUp! do?

SplitUp! focuses on managing large numbers of browser tabs across windows, sessions, and screens. It is catalogued under File managers & explorers on PulseGate.

Who should use SplitUp!?

SplitUp! is an open-source project built for people who manage many browser tabs.

Yes — SplitUp! is open source under the Open Source license and free to use.

What platforms does SplitUp! run on?

SplitUp! runs on the web and embeddable surfaces.

Is SplitUp! still active?

Unverified. SplitUp! has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to SplitUp!?

Similar projects tracked by PulseGate include Tab Split Merger, Splitser, and Tab Split View.

SplitUp! is developed by onaralili.

When did SplitUp! launch?

SplitUp! first shipped in 2019.

Back to the index

SplitUp!

Name: SplitUp!
Author: onaralili

github.comFile managers & explorers

SplitUp! is an open-source browser extension for organizing tabs into separate windows, saving browsing sessions, and exporting tab lists. It supports multiple screens and includes dark mode for users managing complex browsing workflows.

Open SourceWebEmbeddable

Visit github.com

Overview

6 features

SplitUp! is a File managers & explorers project. It focuses on managing large numbers of browser tabs across windows, sessions, and screens. It is built as an open-source project for people who manage many browser tabs. The project is open source (Open Source). It runs on the web and embeddable surfaces.

It is developed by onaralili, and it first shipped in 2019. Key capabilities include tab splitting, session saving, and tab export.

Summary written by a language model from the project’s public pages.

Tab splitting
Session saving
Tab export
Multi-screen support
Dark mode
Window management

Built with & integrations

Connectors

chrome

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSOpen SourceFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed12 Sep · 14:16 UTC
SplitUp! - Tab manager verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about SplitUp!

What does SplitUp! do?: SplitUp! focuses on managing large numbers of browser tabs across windows, sessions, and screens. It is catalogued under File managers & explorers on PulseGate.
Who should use SplitUp!?: SplitUp! is an open-source project built for people who manage many browser tabs.
Is SplitUp! free?: Yes — SplitUp! is open source under the Open Source license and free to use.
What platforms does SplitUp! run on?: SplitUp! runs on the web and embeddable surfaces.
Is SplitUp! still active?: Unverified. SplitUp! has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to SplitUp!?: Similar projects tracked by PulseGate include Tab Split Merger, Splitser, and Tab Split View.Tab Split Merger Splitser Tab Split View
Who makes SplitUp!?: SplitUp! is developed by onaralili.
When did SplitUp! launch?: SplitUp! first shipped in 2019.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 12 Sept 2026
Built for: people who manage many browser tabs
Model: Open source
Solves: Managing large numbers of browser tabs across windows, sessions, and screens.

Registered as

Firefox Add-ons: splitup-tab-manager

Developer

onaralili

Index record

Indexed: 12 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 12 Sep 2026

Identity audit (13)

Slug: splitup-tab-manager-github-com
Lifecycle state recorded: 12 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 12 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 12 Sept 2026
Canonical URL: https://github.com/onaralili/SplitUp

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