Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Tripcatcher - Tripcatcher is a mileage app to keep track of travel expenses.
Standard Notes - A safe place for your notes, thoughts, and life's work
Traxo - Traxo is a online travel tool that helps users automatically create and keep travel itinerary up-to-date.
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
Concur - Automated travel and expense management - your employees, travel managers and finance, too.