Regard3D - Regard3D is a free, multiplatform, open-source structure-from-motion application.
DroneDeploy - Web (cloud) based photogrammetry solutions for drones.
Pix4Dmapper - Photogrammetry software for professional drone-based mapping, purely from images.
ContextCapture - Acute3D develops breakthrough photogrammetry software solutions to automatically turn photos into photorealistic high resolution 3D models
Litchi for DJI Phantom 2 - Litchi for DJI Phantom 2 is an app featured with a panorama mode that enables you to shoot 360 degree spherical and horizontal panoramas through your drone.
3DF Zephyr - Next up in my series of Photogrammetry Software Reviews — after ReMake, PhotoScan & RealityCapture — is 3DF Zephyr (including the Free version).