VLC is still a great option without a "Frame Skip Backwards"
In TOOLS / PREFERENCE / INTERFACE / HOTKEYS
You can set Very Short Jump Length from 3 seconds to 1
Now useing "E" to Frame Skip Forwards
If you go to far, "SHIFT + Left Arrow" will go back 1 second
On a video running 23 Frames Per Second, it will take 23 "E" ...