Added task management software

README.md

@@ -1858,6 +1858,8 @@ _See also: [awesome-sysadmin/Code Review](https://github.com/awesome-foss/awesom
 
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+[Task management](https://en.wikipedia.org/wiki/Task_management#Task_management_software) software.
+
 _Related: [Software Development - Project Management](#software-development---project-management), [Ticketing](#ticketing)_
 
 - [Focalboard](https://www.focalboard.com/) - An open source, self-hosted alternative to Trello, Notion, and Asana. It helps define, organize, track and manage work across individuals and teams. ([Source Code](https://github.com/mattermost/focalboard), [Clients](https://www.focalboard.com/download/personal-edition/desktop/)) `MIT/AGPL-3.0/Apache-2.0` `Nodejs/Go`