The best alternatives to Share Tabs are Firefox Send, DivByZero Free Tools, and Infinit. 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
A macOS app for capturing, annotating and sharing screenshots. Quickly add comments, highlight what matters or blur any sensitive content. Upload screenshots to Google Drive or Dropbox. Copy screenshots to the clipboard and paste them directly into Slack, Gmail, Jira, Trello and lots of other apps.
One-click screen recorder that lets you share recordings instantly, directly in your browser. Simplify bug reporting, document business processes, understand open source issues faster or showcase your product. No software or extensions needed.