Fixed wrong category.

README.md

@@ -17,7 +17,7 @@ To date, **290** apps/tools covered, divided in **32** categories.
 
 # Index
 
-[Backup](#backup) (8) | [Chat and instant messaging](#chat) (5) | [Conversion](#conversion) (4) | [Data management](#data-management) (8) | [Data transfer](#transfer) (18) | [Editors](#editors) (14) | [Email](#email) (7) | [File and file system handling](#file-handling) (21) | [File manager](#file-manager) (6) | [File systems](#file-system) (2) | [Font management](#font) (2) | [Funny tools](#funny) (9) | [Games](#games) (15) | [Graphics](#graphics) (6) | [Networking](#networking) (7) | [Office tools](#office) (9) | [Organizers and calendars](#organizers) (17) | [Productivity](#productivity) (9) | [Programming](#programming) (1) | [Security and encryption](#security) (13) | [Shells](#shells) (3) | [Sound and music](#music) (13) | [System monitoring](#monitor) (18) | [System tools](#system) (7) | [Terminals](#terminal) (5) | [Text processing](#text-processing) (13) | [Text search](#text-search) (4) | [Utilities](#utility) (17) | [Versioning](#versioning) (8) | [Viewers](#viewers) (10) | [Web browser](#browser) (6) | [Web development](#webdev) (5)
+[Backup](#backup) (8) | [Chat and instant messaging](#chat) (5) | [Conversion](#conversion) (4) | [Data management](#data-management) (8) | [Data transfer](#transfer) (18) | [Editors](#editors) (13) | [Email](#email) (7) | [File and file system handling](#file-handling) (21) | [File manager](#file-manager) (7) | [File systems](#file-system) (2) | [Font management](#font) (2) | [Funny tools](#funny) (9) | [Games](#games) (15) | [Graphics](#graphics) (6) | [Networking](#networking) (7) | [Office tools](#office) (9) | [Organizers and calendars](#organizers) (17) | [Productivity](#productivity) (9) | [Programming](#programming) (1) | [Security and encryption](#security) (13) | [Shells](#shells) (3) | [Sound and music](#music) (13) | [System monitoring](#monitor) (18) | [System tools](#system) (7) | [Terminals](#terminal) (5) | [Text processing](#text-processing) (13) | [Text search](#text-search) (4) | [Utilities](#utility) (17) | [Versioning](#versioning) (8) | [Viewers](#viewers) (10) | [Web browser](#browser) (6) | [Web development](#webdev) (5)
 
 Some links to [related resources](#resources).
 
@@ -90,7 +90,6 @@ If you have any suggestion or want your project listed here, drop me an email at
 * [micro](https://github.com/zyedidia/micro/) - A terminal-based text editor written in Go that aims to be easy to use and intuitive, while also taking advantage of the full capabilities of modern terminals.
 * [nano](https://www.nano-editor.org/) - Easy to use, lightweigth text editor; no complex keybindings to remember.
 * [neovim](https://neovim.io/) - A work in progress attempt to improve [vim](http://www.vim.org/), dropping older/unused OS compatibility, improving the codebase readability, modularity and maintainability; it has chances to become the next choice of vim users.
-* [rnr](https://github.com/bugnano/rnr) - The RNR File Manager (RNR's Not Ranger) is a text based file manager that combines the best features of Midnight Commander and Ranger
 * [slap](https://github.com/slap-editor/slap) - Text editor inspired by [Sublime Text](https://www.sublimetext.com/) written in NodeJS; extedable in Javascript.  
 * [vai](https://github.com/stefanoborini/vai) - A text editor similar to `vim` written in Python; many feature are nicely replicated, some are still missing; however, the advantage of this implementation is its simplicity, maintainability and extensibility, thanks to the Python implementation.
 * [vim](http://www.vim.org/) - Historically one of the preferred text editors; behavior based on editing modes; plenty of plugins and tips to address every possible editing problem.  
@@ -139,6 +138,7 @@ If you have any suggestion or want your project listed here, drop me an email at
 * [ncursesFM](https://github.com/FedeDP/ncursesFM) - File manager written in C; rather complete in terms of features; especially lightweight and responsive.  
 * [nnn](https://github.com/jarun/nnn) - "The missing terminal file browser for X". Provides only directory traversal and file visualization.  No delete/move operations are supported.
 * [ranger](http://ranger.nongnu.org/) - Console file manager with vi key bindings; curses interface with a view on the directory hierarchy; comes a file launcher that automatically finds out which program to use for a given file type.  
+* [rnr](https://github.com/bugnano/rnr) - The RNR File Manager (RNR's Not Ranger) is a text based file manager that combines the best features of Midnight Commander and Ranger
 * [vifm](https://vifm.info/) - "ncurses based file manager with vi like keybindings/modes/options/commands/configuration, which also borrows some useful ideas from mutt" (cit.).
 
 ## <a name="file-system"></a>File systems

data/apps.csv

@@ -274,7 +274,7 @@ utility,kmdr-cli,https://github.com/ediardo/kmdr-cli#supported-programs,The CLI
 utility,Starship,https://starship.rs/,The cross-shell prompt for astronauts
 organizers,todotxt-machine,https://pypi.org/project/todotxt-machine/,Interfacce for todo.txt
 games,usolitaire,https://github.com/eliasdorneles/usolitaire,Solitaire in your terminal
-editors,rnr,https://github.com/bugnano/rnr,The RNR File Manager (RNR's Not Ranger) is a text based file manager that combines the best features of Midnight Commander and Ranger
+file-manager,rnr,https://github.com/bugnano/rnr,The RNR File Manager (RNR's Not Ranger) is a text based file manager that combines the best features of Midnight Commander and Ranger
 funny,cbonsai,https://gitlab.com/jallbrit/cbonsai,"A bonsai tree generator, written in C using ncurses. It intelligently creates, colors, and positions a bonsai tree"
 data-management,Dolt,https://github.com/dolthub/dolt,"Dolt is Git for Data! Dolt is a SQL database that you can fork, clone, branch, merge, push and pull just like a git repository"
 transfer,ytfzf,https://github.com/pystardust/ytfzf,A POSIX script that helps you find Youtube videos (without API) and opens/downloads them using mpv/youtube-dl