It's possible with VS code via installing a shell command, as seen in this SO question: How to open Visual Studio Code from the command line on OSX?
Is the same thing possible with Jetbrain's Rider?
It's possible with VS code via installing a shell command, as seen in this SO question: How to open Visual Studio Code from the command line on OSX?
Is the same thing possible with Jetbrain's Rider?
It is possible to open any file, folder, or solution and project in Rider for editing.
Here is a corresponding help page.
If you use a standalone Rider, you need to create a shell script. Call the action "Tools | Create Command-Line Launcher...". Then you will be able to call rider in a terminal as the shell script is by default created in /usr/local/bin.
In the case of using Toolbox installations, all scripts should be generated using Toolbox. Take a look at Create Command-line Launcher Intellij not found to find out how to set it in Toolbox.