The 2.1.6 version of Astrid for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free Mac app is an intellectual property of Todoroo.
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 bundle identifier for Astrid for Mac is com.fluidapp.FluidApp.Astrid. Astrid for Mac is included in Productivity Tools. The most popular version among Astrid for Mac users is 2.1.
From the developer:
Astrid is an application that helps you organize by making to-do lists. Get your life organized and never miss a deadline with voice add, fun reminders, and lists. Then access your tasks anywhere with automatic syncing across your phone and Astrid.com.
You may want to check out more software for Mac, such as Kronville Free, which might be similar to Astrid.