Fuzzynote is described as 'Terminal-based, hyper-fast, CRDT-backed, collaborative note-taking tool
Simple, powerful, extremely fast search. fzn is local-first; remote-second. It acts on local in-memory data, meaning no expensive I/O and native speeds' and is a Note-taking tool in the office & productivity category. There are more than 100 alternatives to Fuzzynote for a variety of platforms, including Windows, Mac, Android, iPhone and Web-based apps. The best Fuzzynote alternative is Notesnook, which is both free and Open Source. Other great apps like Fuzzynote are Zim, CherryTree, Trilium Notes and Cryptee.