This is the whole of the JoJo's manga, except for a little bit. as a little note, you should know that kissmanga has more updated chapters, aka the continuation of Jojolion. 

This was taken from JoJo's Colored Adventure Team's website.


Inside of this is:
Part 1: Phantom Blood
Part 2: Battle Tendency
Part 3: Stardust Crusaders
Part 4: Diamond Is Unbreakable
Part 5: Vento Aureo
Part 6: Stone Ocean
Part 7: Steel Ball Run
Part 8: JoJolion

Jojolion is only until chapter 30. 
again, the continuation is in here: http://kissmanga.com/Manga/Jojo-no-Kimyou-na-Bouken-Jojorion



have fun jojoing!