Ramme is an unofficial Instagram desktop app. You can do everything except post a photo from the app. View your feed, discover new users, and comment on posts.
When closing the window, the app will continue running in the background, in the dock on macOS and the tray on Linux/Windows. Right-click the dock/tray icon and choose Quit to completely quit the app. On macOS, click the dock icon to show the window. On Linux, right-click the tray icon and choose Toggle to toggle the window. On Windows, click the tray icon to toggle the window.
Screenshots Ramme for Mac