This book addresses the subject of audiovisual Open Educational Resources (OER), considering the use of free software to expand authorship and co-authorship. It is the result of a dissertation, which used procedures based on the methodological approach of iterative cycles of Design-Based Research (DBR). The results were obtained by holding face-to-face workshops on producing OER in audiovisual format. These activities took place after the stage of evaluating and choosing the free Kazam software, whose criteria emphasized the types of file extensions produced and compatibility with operating systems, enabling reuse. Based on the data analysis, it was concluded that the interventions achieved their objective of promoting FTP to expand the production of video lessons using free software. The book presents a theoretical and practical discussion on the authorial production of teachers and the importance of technological-pedagogical fluency in education.