This chapter delves into recent advancements within the realm of biobased polyesters, commencing with a historical overview of conventional polyesters and the rationale behind the development of biobased counterparts. Subsequently, it delineates the principal categories of biobased polyesters, including Polyhydroxyalkanoates, Polylactic acid, Polycaprolactone, Polybutylene Succinate, Polybutylene Succinate Adipate, Polybutylene Adipate Terephthalate, Furan Based Polyesters, Biobased Polyethylene terephthalate, and Biobased Polytrimethylene terephthalate. Each subsection furnishes a concise introduction to the respective polyester, delving into its historical context, contemporary trends, conventional production methodologies, and burgeoning eco-friendly approaches. Lastly, it enumerates prevalent applications of these polyesters and profiles key manufacturers operating in the current market landscape.