Mac: DayOne is one of the best journalling apps for both iOS and the Mac, but it doesn't integrate with other services to allow you to create any kind of automatically updated journal. So, the blog Poor Signal came up with a way to automatically create a new DayOne entry for various IFTTT recipes using Dropbox and Hazel.
In this case, Poor Signal wanted to automatically create DayOne journal entries from things like photos taken, places visited, news snippets and weather forecasts (but just about any IFTTT trigger should work here). To accomplish this, they used Hazel to scan the DayOne Dropbox folder and create journal entries. So, you just need to point your IFTTT recipes to a Dropbox folder and let Hazel do its magic. For instance, you could set up an Instagram recipe that automatically sends a photo to the Dropbox folder, then Hazel picks it up and creates a DayOne entry. It sounds complicated, but it's pretty easy to set up. Head over to Poor Signal for the guide.