Grammarly
AI-powered writing assistanceAI-powered writing assistant helping users write better, faster, and more clearly.
- Headquarters
- San Francisco, USA
- Founded
- 2009
- Type
- Private
Expertise: Writing, Grammar, Style, Plagiarism Detection, Content Creation
Hemingway App
Writing assistance softwareWriting editor that makes prose bold and clear by highlighting weak areas.
- Founded
- 2014
- Type
- Private
Expertise: Writing, Grammar, Style, Clarity, Readability
Quillbot
AI writing and paraphrasing softwareAI paraphraser that helps users write more effectively using advanced algorithms.
- Founded
- 2017
- Type
- Private
Expertise: Paraphrasing, Writing, Grammar, Plagiarism Detection, Style
ProWritingAid
Writing software and analyticsWriting software that provides detailed analytics and suggestions for better writing.
- Founded
- 2012
- Type
- Private
Expertise: Writing, Grammar, Style, Editing, Analytics
Turnitin
Academic integrity and writing assessmentPlagiarism detection and writing assessment platform used by educators globally.
- Headquarters
- Oakland, USA
- Founded
- 1997
- Type
- Private
Expertise: Plagiarism Detection, Writing Assessment, Feedback, Academic Integrity
LanguageTool
Grammar checking and style improvementOpen-source grammar checker and style improver supporting multiple languages.
- Founded
- 2003
- Type
- Private
Expertise: Grammar, Spelling, Style, Punctuation, Multi-language Support
Ginger Software
Writing SoftwareAI-based grammar, spelling, and paraphrasing tool for writers.
- Headquarters
- San Francisco, United States
- Founded
- 2007
- Type
- Private
Expertise: Grammar checking, Spell checking, Paraphrasing, Translation
Slack
Productivity & Communication SoftwareCloud-based team collaboration and messaging platform used globally.
- Headquarters
- San Francisco, United States
- Founder
- Stewart Butterfield, Eric Costello, Cal Henderson, Serguei Mourachov
- Founded
- 2013
- Type
- Subsidiary
Expertise: Team messaging, collaboration, workflow automation, integration platform