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BURN.link - Send secure, encrypted, self-destructing messages

Grammarly - Clear, effective, mistake-free writing everywhere you type.

Burner Note - Burner Note is a free, ad-free and open sourced service for sending secure text based notes that are completely erased from existence once they've been read.

Ludwig.guru - Linguistic search engine and contextualized translator. The final solution for your writing doubts!