I have to find a SSD1306 compatible with ESP8266. I need it to be simple and fast.
Fortunately, I found https://github.com/squix78/esp8266-oled-ssd1306.
It is easy to use, easy to hack, with very nice UI functions : it works like a scrolling carousel, and I could use this feature and 2 pushbuttons to navigate in menus.
It also has a overlay feature, very handy to draw some kind of "status bar".
Here is an example :
The lib is so good I forked it and I'm now contributing to the dev branch (https://github.com/CaptainStouf/esp8266-oled-ssd1306/tree/dev-branch-3.0.0). I added the drawLine function and a quick/dirty hack for multilevel menus (I will soon improve that).