Microsoft Office Word is part of Microsoft Office suite for editing rich text files.

Scrivener is a word-processing program and outliner designed for authors. Scrivener provides a management system for documents, notes and metadata.

Google Drive - Slides is to create, edit, and collaborate with others on presentations.

Ulysses is a writing App for Mac, iPad and iPhone.

Final Draft is a screenwriting software for writing and formatting screenplays.

Google Docs is a cloud based document editor from Google.

Google Drive - Sheets web based spreadsheet from Google.

Day One is a simple journal application for the Mac, iPhone, and iPad.

Spark is a fast, smart mail manager app.