Do you miss any of the applications that have disappeared with macOS Catalina? If you are more of iTunes in the version that we knew until the launch of the new version of macOS or you do not want to do without Capture or iPhoto, you are in luck. Retroactive is an application that runs them under this environment.
iTunes, with the arrival of macOS Catalina, has been fragmented into three and other applications that are not 64-bit no longer work. However, and Thanks to this open source application, you will be able to rescue them again.
Retroactive comes to rescue applications that we thought were extinct
As you already know with macOS Catalina, iTunes has been converted into three new applications (Music, Television and Podcasts). Other applications like Capture, which had no longer been supported by Apple for at least five years but were still working, and iPhoto no longer work.
Someone has thought that this should not be the case and that iTunes was not that bad or that Capture was a good photo editing program. On GitHub developer Tyshawn Cormier has released a free app which allows you to reuse those applications in the macOS Catalina environment.
Although Capture and iPhoto are 64-bit applications, some of them are programmed in the old 32. This is not very liked by macOS Catalina and therefore they do not work without Retroactive. This application what it basically does, is to rebuild the program so that it is valid in this new macOS. The operation can take relatively little time, about 10 minutes for each program. Although there have been cases that you have to wait an hour. Time invested, of course, if you want to recover the applications.
The application can be inspected by anyone with adequate knowledge, to see that everything that has been created is within normality and they are not installing, after authorizing it as administrator, any harmful software.
Now, not everything works normally. For example, both Aperture like iPhoto cannot import or play videos, nor can they export slide shows. Regarding iTunes you can download the version 12.9.5 which is compatible with dark mode and most DJ apps, solving some existing problems with this class of applications; iTunes 12.6.5 with support for downloading and archiving iOS applications, and iTunes 10.7 for CoverFlow.
When it comes to computing, you don't have to take anything for granted beforehand.