https://www.dsi.unive.it/~bergamasco/runetag/
https://github.com/mziccard/RuneTagDrawer
https://github.com/CogRob/omnimapper/wiki/Plugin-%7C-AprilTags
https://april.eecs.umich.edu/software/apriltag.html
https://github.com/AprilRobotics/apriltag-generation
https://github.com/chili-epfl/chilitags
https://github.com/bbenligiray/stag
https://github.com/raultron/PiTag-generator
https://github.com/mpetroff/pi-tag-detector
https://github.com/anqixu/ftag2
A fiducial marker system powered by OpenCV - Supports ArUco and April https://github.com/RealOrangeOne/zoloto
https://github.com/ptrmu/fiducial_vlam
https://github.com/JD557/FiducialMarkers
https://github.com/SolarFramework/FiducialMarker
https://github.com/ha5dzs/python-fiducial-tracker
https://github.com/lh9171338/Fiducial-Marker chromatag, april, aruco
https://github.com/caomw/aslam_fiducials
https://github.com/anqixu/fiducial_utils artag, april, aruco
https://github.com/phrps/PeakMarker/blob/master/PedroSilvaTG.pdf
https://arxiv.org/pdf/1707.06292.pdf
https://arxiv.org/pdf/1908.01450.pdf