TORCH portal - this site includes all the digitized plant specimens from BRIT (BRIT, SMU, VDB, NLU) along with the specimens of other herbaria in the Texas Oklahoma Regional Consortium of Herbaria (TORCH).
Mycoportal - Mycology collections from BRIT (and many other herbaria)
Bryoportal - Bryophyte collections from BRIT (and many other herbaria)
BRIT Library catalog - Online searchable catalog of the BRIT Library holdings.
Native American Ethobotany Database - Searchable database of plants used by Native Americans, compiled by Dr. Daniel Moerman.
BRIT Roof Camera - a live video stream of BRIT's Living Roof.
Notes from Nature - a crowdsource platform where BRIT and many other collections invite the community of citizen scientists to help transcribe scientific specimens.