There are 2 repositories under loop-closure-detection topic.
OverlapNet - Loop Closing for 3D LiDAR-based SLAM (chen2020rss)
A list of papers about point cloud based place recognition, also known as loop closure detection in SLAM (processing)
MixVPR: Feature Mixing for Visual Place Recognition (WACV 2023)
A curated list of Visual Place Recognition (VPR)/ loop closure detection (LCD) datasets
Ground Truth of KITTI dataset (odometry benchmark) for loop closure detection or visual place recognition
Graph based SLAM for multiple cameras using SuperPoint feature detector
Dynamic Scenes Dataset for Visual Loop Closure Detection
Loop closure Detection Toolbox with C++ and Python interface (DBoW3 and VLAD supported)
Visual place recognition (VPR)/Loop closure detection (LCD) paper list.
LiPMatch: LiDAR Point Cloud Plane based Loop-Closure