SBIRs and STTRs help small businesses engage in R&D that has a strong potential for technology commercialization. Both of these programs aim to stimulate technological innovation and increase private sector commercialization of innovations developed through federal R&D funding. Browse below to learn more about the differences between SBIRs and STTRs, as well as additional information on who can and how to apply to these programs, both at the NIH and NSF.