ReaLigands library which includes more 30,000 monodentate or polydentate ligands by deconstructing experimentally synthesized complexes reported in the CSD. To assign charge for each ligand, the authors leveraged Random Forest models with several quantum-chemical descriptors, such as SCF iteration number, the HOMO-LUMO gap and internal forces calculated at the GFN2-xTB level. The most recently reported tmQMg-L set consists of 30k diverse and synthesizable TMC ligands with defined charges and metal coordination sites based on graph and NBO analyses. The ligands were extracted from a subset of the tmQM data set and were highly diverse with 12 different ligand classes, such as phosphines, chelating amines, olefins, carbenes, etc. Although comparing with the publicly available data sets for organic systems, like QM9, 170 ANI-1, 171 these presented data sets cover limited chemical spaces of transition metals. But they have enumerated all realistic crystal structures reported in the CSD, along with extensive hypothetical ligands, and thus are good resources to expand the TMCs domain.