- Kaggle (Free GPU usage for deep learning; slightly more user-friendly than Google Colab)
- Applied Algebraic Topology Research Network (Organized by University of Minnesota; there are frequent online talks on the subject of applied algebraic topology)
- Math Genealogy (Mathematicians can trace their mathematical ancestry on this website)
- Papers With Code (Automatically generated collection of papers with code; sometimes there are errors in the automatic generation)
- DeepAI (Research, guides, news portal in the field of artificial intelligence)