Scholarly writing and presentations, simplified
A modern editor built for academics. Write in Markdown, collaborate in real-time, and export to any format. No more fighting with Word.
Built for How Academics Actually Work
Stop wrestling with formatting. Focus on your research.
Markdown-First
Write in plain text with live preview. Your content stays portable and version-controllable. No proprietary formats.
LaTeX Equations
Full KaTeX support for mathematical notation. Inline and display equations render instantly as you type.
Smart Citations
Connect to Zotero, import BibTeX, or look up DOIs. Insert citations with a keystroke and auto-generate bibliographies.
Track Changes
CriticMarkup-based revision tracking that exports cleanly to Word. Perfect for manuscript reviews and advisor feedback.
Real-Time Collaboration
Work with co-authors simultaneously. See who's editing what, with fine-grained access control for reviewers.
Export Anywhere
One-click export to PDF, Word, HTML, EPUB, or LaTeX. Professional typography via Pandoc. Your work, your format.
Also: Beautiful Presentations
Create slides in Markdown. Present with confidence.
Markdown Slides
Write your presentation in the same format as your papers. Consistent workflow, no context switching.
Live Sync
Share a link and your audience follows along in real-time. No screen sharing required.
Speaker Notes
Private notes visible only to you. Stay on track without revealing your script.
Why Switch from Word or Google Docs?
| Feature | Opus | Google Docs | Microsoft Word |
|---|---|---|---|
| Mathematical equations | Full LaTeX | Limited | Limited |
| Citation management | Zotero, BibTeX, DOI | Basic | Basic |
| Track changes that export | CriticMarkup → Word | Lossy export | Native |
| Portable format | Markdown (plain text) | Proprietary | .docx |
| Command interface | Slash commands | Menus only | Menus only |
| Real-time collaboration | Yes | Yes | Yes |
| Presentations | Built-in (Markdown) | Separate app | Separate app |
| Self-hostable | Yes | No | No |
| Open source | MIT License | No | No |
Ready to Write?
Try Opus free for 14 days. No credit card required.