**FORRT** "The majority of FORRT’s operations are done via our Slack channel. We use Slack to keep everyone up-to-date, to share interesting resources, coordinate FORRT teams, announce FORRT projects, build community, and to provide a platform for ongoing discussions on our projects, organization, and mission." https://forrt.org/about/get-involved/ **ASAPBio** "To drive ASAPbio’s mission to raise awareness of preprints and encourage their productive use in the life sciences, we work closely with the ASAPbio Community, a group of researchers and others involved in research communication who interact and exchange information and feedback around the use of preprints." https://asapbio.org/asapbio-community **The Carpentries** "The Carpentries works to help institutions and individuals spread skills for data analysis, computational thinking, and research software development through building local and global communities of practice." https://carpentries.org/community/ **COS Ambassadors** "COS Ambassadors are local resources for increasing conversations around open science. Together, we're cultivating awareness, fostering openness, and equipping the scientific community with tools for change." https://www.cos.io/communities/ambassadors **ReproducibiliTea** "We are a grassroots journal club initiative that helps researchers create local Open Science journal clubs at their universities to discuss diverse issues, papers and ideas about improving science, reproducibility and the Open Science movement." https://reproducibilitea.org/ **International Reproducibility Networks** "..a national, peer-led consortium of researchers that aims to promote and ensure rigorous research practices by establishing appropriate training activities, designing and evaluating research improvement efforts, disseminating best practice and working with stakeholders to coordinate efforts across the sector." https://www.ukrn.org/global-networks/