DOI: 10.5281/zenodo.3699950 Cross-posted on 11 March 2020 by the Netherlands eScience Centre, Software Sustainability Institute, US Research Software Sustainability Institute and US Research Software Engineering Photo from Pixabay The Research Software Alliance (ReSA) and the Community Landscape March 11, 2020 Authors: Daniel S. Katz, Michelle Barker, Paula Andrea Martinez, Hartwig Anzt, Alejandra Gonzalez-Beltran, and Tom Bakker