CellTypist was first developed as a platform for exploring tissue adaptation of cell types using scRNA-seq semi-automatic annotations. Now it's an open source tool for automated cell type annotations as well as a working group in charge of curating models and ontologies.
Automatic cell type harmonization and integration across Human Cell Atlas datasets. bioRxiv 2023.05.01.538994 (2023). Link
Cross-tissue immune cell analysis reveals tissue-specific features in humans. Science 376, eabl5197 (2022). Link