Astra is a depth camera intended mainly for simple educational projects. Known from ROSbot 2R/PRO.
Orbbec cameras use a variety of depth technologies to offer options tailored to your needs.
RealSense utilize Intel's depth-sensing technology enabling 3D perception in various applications.
RPLidars are affordable, compact, 360° LiDAR sensors using Time of Flight (ToF) technology.
ZED 2/2i employs stereo vision for extensive 3D imaging and depth perception.