App: Tampermonkey
Developer: Jan Biniok
Genres: Productivity, Developer Tools

Tampermonkey is the most popular userscript manager, with over 10 million users. It's available for Safari, Chrome, Microsoft Edge, Opera Next and Firefox.

Tampermonkey makes it very easy to manage your userscripts and provides features like a clear overview over the running scripts, a built-in editor, ZIP-based import and export, automatic update checks and browser and cloud storage based synchronization.

This extension is installed in just a minute, so give it a try!

Note: Please use Tampermonkey at macOS 10.14.4+ for optimal results.

Release notes:
General:
 Fixes for Safari 17 and macOS Sonoma
 Add a title option to GM_registerMenuCommand
 Locally modified scripts are still not updated, but now can be reverted by a manual update and confirmation
 Add an option to GM_registerMenuCommand to not auto close the popup on click
 Fix GM_xmlhttpRequest FormData key-value order
 Fix Safari version at GM_info.userAgentData
 
 UI:
 Always start search-as-you type from the current position
 
 Locales:
 Update Chinese (traditional) translation | thanks to 5idereal
 Update French translation | thanks to Juknum
 Update Italian translation | thanks to bovirus
 Update Portuguese-Brazil translation | thanks to igorruckert
 Update Japanese translation | thanks to shirayuki
 Update Russian translation | thanks to ACherepkov1989
 Update Turkish translation | thanks to selimsumlu