Feather Icons - Simply beautiful open source icons
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Streamline icons - The world’s largest icon pack library - 100k icons and illustrations.
Daily Time Tracking - Daily shows what you have been working on and for how long. It creates accurate timesheets by asking what you are doing, so no more timers or switching tasks. Use its data to submit your hours, create invoices or simply increase your productivity.
Icons8 - Free app for Mac & Windows already containing 39,800 icons. Allows to search and import icons…
IconBros - Free and continuously growing high quality icons