About
Your words, your songs, your years.
GrayCat is an independent software project by Yongtao Mao, making native Apple-platform apps for writing, plain text, local music, reading, and PDFs.
The developer
I am a physician, but that does not stop me from making small tools that help people get everyday work done more easily.
Apps and support
GrayCat Markdown is for Markdown writing and publishing, GrayCat Text is for plain-text files, GraycatTunes plays and organizes local music, and GrayCat PDF combines bilingual reading with PDF tools. KneeDaily is a literature app for knee sports-medicine professionals.
Each product page lists supported devices, system requirements, download options, and screenshots. For help, email support@graycat.app; replies normally arrive within three business days.
Files and privacy
Product pages and privacy policies explain where files are stored, whether an account is needed, and which network services may be used, so you can review the scope before installing.