My Jumpchain thread on SpaceBattles. 2018 Daily Jump Challenge on SpaceBattles that I run, 2019 Weekly Jumpchain Challenge that is it’s successor.
Main Jumpchain thread on SpaceBattles.
SB and QQ shared Jumpchain google drive; /tg Jumpchain google drive.
If you’re interested in more, Jumpchain communities on SpaceBattles, Questionable Questing and 4chan/tg are pretty active.
Sonic0704's Jumpchain Blog 