Notes-Up is described as 'An intuitive note-taking application that was made specifically for Elementary OS. Community builds are available for other Linux distributions, including Arch and openSUSE. The application's features include:' and is a Note-taking tool in the office & productivity category. There are more than 10 alternatives to Notes-Up for a variety of platforms, including Mac, Windows, Linux, iPhone and iPad apps. The best Notes-Up alternative is Trilium Notes, which is both free and Open Source. Other great apps like Notes-Up are Tomboy, wikidPad, CintaNotes and Walling.