Jianfa Tsai’s Input
Use multiple macOS dock apps to create docks on the left, right, bottom, and top ledges of the large ultrawide computer monitor for rapid access to various apps.
Identified Problems
- System Limitations: The built-in macOS operating system natively permits only a single operational Dock instance across all connected monitors (ExtraDock, 2026).
- Placement Limitations: The default macOS operating system restricts native Dock placement strictly to the left, right, or bottom edges of the display, offering no structural facility to anchor a native Dock to the top screen ledge (MacPaw, 2025).
- Hardware Scale Challenges: Standard singular dock layouts do not dynamically scale to exploit the expansive horizontal real estate of a large ultrawide monitor, resulting in excessive cursor travel and structural inefficiencies for application access.
Abstract
This article addresses structural constraints within native macOS desktop environments that prevent the deployment of simultaneous, multi-edged application docks on single ultrawide monitors. Standard apple system configurations restrict dock allocation to a single edge—either left, right, or bottom—leaving vast ultrawide display edges underutilized. To overcome these workflow boundaries, specialized third-party application utilities can be integrated into the desktop ecosystem. Utilities such as ExtraDock, Another Dock, and ActiveDock 2 enable power users to circumvent core system design limitations. By configuring specialized overlay applications, users can position functional, responsive app docks simultaneously on the left, right, bottom, and top screen ledges, achieving immediate, multi-directional application access and optimizing real estate layout efficiency.
ELI5
Imagine your computer screen is a big square room, and your application dock is a toy box. Right now, Apple only lets you have one toy box, and you can only put it against the left wall, the right wall, or the floor. It cannot go on the ceiling, and you cannot have more than one. By using special helper tools, you can break this rule and place four different toy boxes against every single wall—left, right, bottom, and top—at the exact same time, making it super fast to grab any toy you want without walking all the way across the giant room.
Analysis of Multi-Dock Configurations on Ultrawide Displays
Supportive Reasoning for Multi-Dock Setups
Deploying multiple functional docks across the expansive real estate of an ultrawide monitor radically optimizes spatial efficiency and reduces operating friction. In standard large-scale desktop setups, a singular dock requires expansive cursor migration paths, which induces physical fatigue and increases operational latency. By establishing localized docks on every perimeter ledge (left, right, bottom, top), specialized software creates segmented operational zones. For instance, utilities like ExtraDock allow the creation of unlimited floating docks that can be locked to distinct edges independent of native settings (ExtraDock, 2026). This allows users to dedicate the left ledge to communication suites, the right to design applications, the bottom to core system tools, and the top to background file directories or secondary widgets (ExtraDock, 2026). Dedicated utility options like Another Dock provide multi-row and multi-column support with edge-snapping parameters, ensuring that custom layouts remain firmly locked in position without disappearing when primary windows expand into full-screen configurations (Another Dock, 2026). Furthermore, deploying alternative launcher tools like ActiveDock 2 allows the integration of window preview features, custom icon grouping, and embedded start menu applets directly into these auxiliary perimeters, maximizing the functional utility of high-resolution screen borders (MacPlus Software, 2025).
Counter-Arguments and Technical Constraints
While multi-dock perimeters offer rapid application launching, they introduce notable trade-offs in computational overhead, screen real estate reduction, and visual clutter. Third-party applications operating as continuous desktop overlays consume persistent RAM and CPU cycles to monitor mouse hover states, render custom icon themes, and process edge-snapping algorithms. This can degrade graphics performance during intensive processing tasks. Furthermore, surrounding an ultrawide monitor on all four perimeters significantly constrains the central canvas workspace, as persistent docks compress the layout margins available for primary productivity windows. There is also a distinct risk of software instability; since utilities like ExtraDock or ActiveDock 2 function alongside or on top of core Apple frameworks, system updates can break third-party API hook-points, leading to dock crashes or erratic window-layering behavior (ExtraDock, 2026; MacPlus Software, 2025). Finally, from a cognitive perspective, dividing shortcuts across four separate visual axes may increase cognitive load, forcing users to visually search multiple perimeters rather than relying on a centralized launcher or rapid keyboard shortcut system.
Thought-Provoking Question
To what extent does scattering application shortcuts across four distinct physical screen borders shift human workflow reliance from rapid, subconscious muscle memory toward active visual scanning and increased cognitive load?
Action Steps for Improvement
Personal Life
- Establish Cognitive Zones: Group applications on your perimeters based on mental contexts—keep personal communication or lifestyle apps strictly on one side (e.g., Left) to minimize distraction while interfacing with productivity zones.
- Optimize Ergonomic Travel: Map your most frequently accessed daily apps to the bottom or closest side ledge to minimize long-distance arm and wrist movements across the vast ultrawide display.
Academic Life
- Create Dedicated Resource Docks: Dedicate a specific auxiliary edge dock (e.g., Top or Right) using an app like ExtraDock to store direct directory shortcuts for active research folders, digital libraries, and reference management utilities (ExtraDock, 2026).
- Isolate Study Environments: Configure custom dock visibility toggles so that distracting entertainment interfaces hide completely during intensive reading or writing intervals, keeping the visual perimeter clear.
Work Life
- Deploy Specialized Utilities: Install a reliable multi-dock tool like ExtraDock via Homebrew (
brew install --cask extradock) or download Another Dock from the Mac App Store to construct your multi-sided screen layout safely (ExtraDock, 2026; Another Dock, 2026). - Integrate Window Previews: Use advanced replacement frameworks like ActiveDock 2 on your primary ledge to manage open application windows directly via thumbnail previews, boosting multitasking efficiency on your wide canvas (MacPlus Software, 2025).
Date
Saturday, May 23, 2026 at 1:18 PM AEST
Authors
Jianfa Tsai (https://orcid.org/0009-0006-1809-1686) in collaboration with Gemini AI Pro. Jianfa Tsai resides at 60 Dowling Road, Oakleigh South, VIC 3167, Australia.
References
- Another Dock. (2026). Another Dock on the App Store (Version 5.5) [Mac OS Software]. Apple App Store. https://apps.apple.com/us/app/another-dock/id6747807769?mt=12
- ExtraDock. (2026, May 18). ExtraDock – Multiple Floating Docks for macOS. ExtraDock Utilities. https://extradock.app/
- MacPaw. (2025, August 22). How to show Dock on all screens on Mac: tips and tricks. MacPaw Productivity Blog. https://macpaw.com/how-to/show-dock-on-all-screens
- MacPlus Software. (2025). ActiveDock 2: Customizable Dock for Mac, Hyperdock, uBar, cDock Alternative. NoteifyApp Projects. https://noteifyapp.com/activedock/