SkyTouch Hotel OS - Hospitality property management
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.
StayNTouch - StayNTouch provides a full-featured mobile PMS and guest engagement capabilities.
Standard Notes - A safe place for your notes, thoughts, and life's work
rezStream - rezStream is a hotel reservation software for your small to the mid-sized hotel that helps you grow your business and save time.
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.