WD Officepad - A simple note-taking application for windows, designed in beauty, but built for more.
NVim - NVim is a ...
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.
Notational FZF - Notational Velocity for Vim.
jEdit - jEdit is a mature programmer's text editor with a large collection of plugins
Trilium Notes - Trilium Notes is a hierarchical note taking application.