Corollary

What it does

Corollary is a LaTeX editor for macOS that uses on-device Apple Foundation Models to assist with writing and formula insertion. It offers an Overleaf-style interface with PDF preview and compiles using TeX Live, installing TeX automatically if needed.

The tool is presented as a weekend project, which may indicate limited polish, but it has a usable interface and clear functionality. Pricing is not specified.

Standout features

• On-device AI text suggestions via Cmd-K
• Handwritten formula OCR to LaTeX
• Overleaf-style editor with PDF preview
• Automatic TeX Live installation
• Accept or reject AI diffs

Best for