Add One Task (#1433)

README.md

@@ -1034,6 +1034,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Microsoft To-Do](https://todo.microsoft.com/) - Microsoft's successor to Wunderlist. ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://apps.apple.com/de/app/microsoft-to-do/id1274495053?mt=12)
 * [Nozbe](https://nozbe.com) - Powerful GTD app for individuals and teams, with support for every Apple device (Mac, iPhone, iPad, Watch). [![App Store][app-store Icon]](https://itunes.apple.com/pl/app/nozbe-tasks-projects-team/id508957583?mt=12)
 * [OmniFocus](https://www.omnigroup.com/omnifocus/) - Nice GTD app, made by OmniGroups.
+* [One Task](https://sindresorhus.com/one-task) - Conquer one task at a time. [![App Store][app-store Icon]](https://apps.apple.com/app/id6465745322)
 * [Super Productivity](https://super-productivity.com) - Cross-platform todo list app with integrated Timeboxing and time tracking capabilities. [![Open-Source Software][OSS Icon]](https://github.com/johannesjo/super-productivity) ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://apps.apple.com/cn/app/super-productivity/id1482572463?mt=12)
 * [Taskade](https://www.taskade.com) - Real-time collaborative editor for teams.
 * [TaskPaper](https://www.taskpaper.com/) - Plain text to-do lists.