Awesome

Note: New Dark Theme WPF version is here : https://github.com/unitycoder/UnityLauncherPro

Handle all your Unity versions and Projects easily!

Automagically Open Projects with Correct Unity Version
Display Recent Projects list with last modified date and project version info
Quickly Explore Project Folder
List installed Unity versions, can easily Run, Explore installation folder, View release notes
Download Missing Unity Versions Easily
Can be used from commandline UnityLauncher.exe -projectPath "c:/project/path/"
Can add custom Explorer context menu item to launch folder as a project: https://github.com/unitycoder/UnityLauncher/wiki/Adding-Explorer-Context-Menu
Use custom launcher arguments per project!
Show project git branch info
List of custom package folders (quicly explore them and then can import packages)
Show list of available Unity versions/updates

Download, Run
At first run you need to setup "root installations folder" (All Unity installations will be scanned under this folder)
Recent projects list is fetched from registry (Project version and date is checked from those project folders)
Select row from the list and click "Launch" (Launches unity with that project) or "Explore" (opens Explorer to that folder)

Project is created with VS2017 (and .net4.5)