Writing & publishing
GrayCat Markdown
A native writing studio with live preview, serious export tools, publishing checks, iCloud documents, and optional AI.
GrayCat apps
Tools for writing, reading, and working with files.
GrayCat Markdown and GrayCat Text are available now, with GrayCat Music, GrayCat PDF, and GrayCat Pix in preparation.
The GrayCat family
For the files you own.
Plain text
GrayCat Text
Large files, encodings, line endings, logs, and the details a serious text editor should respect.
MUS
In development
Local music
GrayCat Music
A calm home for the music files you already own, without requiring a streaming account.
PDF
Preparing for release
Document utility
GrayCat PDF
Bilingual reading, OCR, merging, compression, and dependable everyday PDF work performed on your Mac.
PIX
Exploring
Images
GrayCat Pix
A focused place for screenshots, image organization, and lightweight editing.
Also from the maker
A focused tool for specialist reading.
KneeDaily is dedicated to knee sports-medicine literature and is available on the App Store.
Medical literature
KneeDaily
Curated knee sports-medicine literature, deep reads, PubMed search, and a personal research library.
For professional literature reading—not diagnosis, treatment advice, or clinical decision support.