The best alternatives to Tabulator are Mozilla, TabExtend, and Partizion. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
At Mozilla, we’re a global community of technologists, thinkers and builders working together to keep the Internet alive and accessible, so people worldwide can be informed contributors and creators of the Web. We believe this act of human collaboration across an open platform is essential to individual growth and our collective future.
Tab Management is Web Browser Extension For Google Chrome Web & Microsoft Edge. That offers a set of tools in one solution called "Tab Management" to enhance your web browser's: Speed, Efficiency and Security.
Auto Group Tabs is a google chrome extension to automatically group your browser tabs. You have to install "Auto Group Tabs" from the chrome store. Once installed, you can group your tabs by pressing Ctrl+Shift+Y or Cmd+Shift+Y on a Mac.