https://github.com/fantaosha/CPL-SLAM
https://github.com/vatsan/slam
well documented ...
https://github.com/damarquezg/SLAMTB well documented too : https://github.com/jaijuneja/ekf-slam-matlab
random finite set https://github.com/kykleung/RFS-SLAM
not well documented https://github.com/ziarrek/slam
https://github.com/segeschecho/OpenEKFMonoSLAM
Visual : https://github.com/MiguelAlgaba/KinectSLAM6D https://github.com/AutoSLAM/SLAM