Downloading iSticky 4.2.12 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The program lies within Productivity Tools, more precisely Mind-mapping. This software for Mac OS X is an intellectual property of xinfinite.
From the developer:
iSticky lets users send an infinite number of sticky notes to themselves and others, providing a quick, real-time solution for sending important information like reminders, updates, directions, meeting times, dinner plans, meet-up changes, or any other individual or group note. iSticky provides a fast and organized way to send notes, at home, in school, on the road, or in the office.
You may want to check out more software for Mac, such as Dates to iCal or Santa's Gizmo, which might be related to iSticky.