Bipeds

Check out the following links for some bipedal robots

passive or passive dynamics-based
mcgeer and passive dynamic bipedal walking
steve collin's passive dynamic biped
delft powered biped
mit learning biped
cornell ranger robot

powered walking
asimo
hrp-4c
rabbit
ernie
marlo
durus
cassie
atlas

To know more about feedback control of biped locomotion, refer to this.

About ankle actuation and nonlinear mechanical coupling, refer to this.

Manipulation

Here are some useful links for a manipulation project using UR robots

universal robots academy for online training for collaborative robots
robot operating system (ros)
moveit
universal robots ros driver
ros-industrial universal robot meta-package which includes the moveit config files

Thanks to ScazLab for providing an open-source wrapper to start the project.

To better understand ROS control manager, such as position control and velocity control, refer to this.