Like its predecessor Steins;Gate, science adventure Robotics;Notes can't be contained by one manga series or publisher.
Keiji Asakawa's straight adaptation of the visual novel is in Comic Blade.
Robotics;Notes - Phantom Snow is from Famitsu Comic Clear
Tokumo Sora's Robotics;Notes - Side;Hidaka Subaru is in Comic Alive
Robotics;Notes - Revival Legacy has just launched in this year's 9th issue of Shonen Jump's older audience sibling Ultra Jump.
This one follows genius programmer and fujoshi Frau Koujirou. Hentai (and 13 Club) art Tatsuya Shihira illustrates the work.
The September issue also comes with a new "Science Adventure Reader" looking at the connections between the Chaos;Head, Steins;Gate, Robotics;Notes universe started in the trilogy of visual novels.
An anime adaptation of Robotics;Notes from Production I.G is slated to debut this fall.