Tampermonkey
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Tampermonkey lets you install and run userscripts to customize websites, automate repetitive tasks and enhance functionality.
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ALT-DEV TOOLS
A powerful sidebar DevTools alternative — Elements, Console, Network, Sources & Application panels right in your browser sidebar
ALT-DEV TOOLS screenshots
Overview
A powerful sidebar DevTools alternative — Elements, Console, Network, Sources & Application panels right in your browser sidebar
Pricing
ALT-DEV TOOLS is free. There is no paid tier to consider.
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View ExtensionFrequently asked questions
Is ALT-DEV TOOLS free?
Yes, ALT-DEV TOOLS is free to install and use.
What are the best ALT-DEV TOOLS alternatives?
Browse the Productivity category for comparable options.
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Compare ALT-DEV TOOLS with the obvious rivals
Side-by-side feature tables, pricing and a clear recommendation.
Dark Reader vs MomentumEye comfort on every site, or a calmer new-tab page with focus and intent.Todoist vs ForestCapture and organise tasks from any page, or block the sites that eat the task list.Dark Reader vs TodoistBoth are productivity extensions people shortlist together — see how ratings, install base, pricing and day-to-day use differ.ALT-DEV TOOLS alternativesRanked replacements if ALT-DEV TOOLS is not the right fit.All comparisonsThe full compare hub, grouped by category.