diverSCi-Tea: Coffee/Office hours by and for underrepresented groups in symplectic and contact topology
Symplectic Zoominar (CRM-Montreal, Princeton/IAS, Tel Aviv, and Paris)
Freemath Seminar
Geometry & Dynamics Seminar
KSU M-seminar
Geometria em Lisboa Seminar
Research Seminars: a list of online research seminars and conferences