Toolbar
Magento developer toolbar and debug bar tools — profiling, query analysis, and performance debugging in the browser.
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https://github.com/perfcom/magento2-devbar
This module adds a floating bar to the frontend with useful information and shortcuts for developers.
11 -
https://github.com/CopeX/m2-MSP_DevTools
This module is intended to be used with MageSpecialist Chrome Toolbar.