OKVIS: Open Keyframe-based Visual-Inertial SLAM http://ethz-asl.github.io/okvis/index.html
ROVIO: Robust Visual Inertial Odometry https://github.com/ethz-asl/rovio
#####Real-Time Appearance-Based Mapping http://wiki.ros.org/rtabmap_ros ... Many Demos are available in the website with Several ROS bags
#####general and scalable framework for visual SLAM https://github.com/strasdat/ScaViSLAM/
https://github.com/tu-darmstadt-ros-pkg/hector_slam
#####Dense Visual Odometry and SLAM (dvo_slam) https://github.com/tum-vision/dvo_slam
#####Coslam: Collaborative visual slam in dynamic environments https://github.com/danping/CoSLAM
#####Real-time dense visual SLAM system : ElasticFusion
https://github.com/mp3guy/ElasticFusion ... it has nice gui and dataset , paper and video too .
https://github.com/mp3guy/Kintinuous
Based on PTAM and SLAM track 3d traingulated and 2d non triangulated features . https://github.com/plumonito/dtslam
#####SceneLib2 - MonoSLAM open-source library
from oxford university c++ SLAM
https://github.com/hanmekim/SceneLib2
http://www.robots.ox.ac.uk/~gk/PTAM/
https://github.com/damienfir/android-ptam
#####ORB-SLAM: A Versatile and Accurate Monocular SLAM System https://github.com/raulmur/ORB_SLAM ....
its modification : ORB-SLAM2 is a real-time SLAM library for Monocular, Stereo and RGB-D cameras https://github.com/raulmur/ORB_SLAM2
its modification to work on IOS : https://github.com/Thunderbolt-sx/ORB_SLAM_iOS
#####REMODE (REgularized MOnocular Depth Estimation) https://github.com/uzh-rpg/rpg_open_remode ... Probabilistic, Monocular Dense Reconstruction in Real Time
#####Fast Semi-Direct Monocular Visual Odometry https://github.com/pizzoli/rpg_svo
#####LSD-SLAM: Large-Scale Direct Monocular SLAM https://github.com/tum-vision/lsd_slam
#####Structure from Motion (SfM) for Unordered Image Collections
https://github.com/TheFrenchLeaf/Bundle
https://github.com/danylaksono/Android-SfM-client
open geometrical vision https://github.com/marknabil/opengv
concept in matlab http://vis.uky.edu/~stewe/FIVEPOINT/
#####Volumetric 3D Mapping in Real-Time on a CPU https://github.com/tum-vision/fastfusion
https://github.com/knagara/SLAMwithCameraIMUforAndroid
with some good documentation to how to read the image and so on from the kinect . https://github.com/AutoSLAM/SLAM
http://studierstube.icg.tugraz.at/handheld_ar/cityofsights.php