Recent Years Have Seen an Increase In the Use of Boric Acid [H3bo3]. Here, the Most Recent Developments In Boric Acid Catalysed Transformations, Such As Esterification and Transesterification Are Summarised, As Well As the Addition of Azide and Thiazide and the Aza- and Thia-Michael Additions, Condensation and the Friedel-Crafts and Tishenko Reactions, As Well As Halogenations, Ipso Substitutions, Decarboxylations, Reactions of Protection and Deprotection, Amidation and a Number of Biologically Relevant Chemical Molecules Have Been Synthesised Using Boric Acid As a Benign, Commercially Available, and Inexpensive Catalyst In the Recent Decade.