In-situ Fourier Transform InfraRed (FTIR) spectroscopy enables the identification and quantification of molecular species in real time, providing important insights into the chemical composition and reactivity of a wide range of chemical reactions and systems. This free Citation List presents an extensive list of peer-reviewed publications related to the use of in-situ ReactIR spectroscopy for the advancement of chemical and process development, providing a valuable resource for researchers, students, and anyone interested in this fascinating field of study.