abstr, academictwitteR, Achilles, acled.api, acumos, adformR, adobeanalyticsr, adsDataHubR, AirExposure, airGRiwrm, aiRly, airnow, airr, AIscreenR, alabaster.base, alabaster.mae, alabaster.sce, alabaster.se, alfr, alfred, algo, alphavantager, altadata, altfuelr, amapGeocode, AMAPVox, amazonadsR, amazons3R, amazonspR, amberr, amerifluxr, analogsea, animate, aniview, AnnotationHubData, antaresEditObject, antaresRead, AnVIL, AnVILAz, AnVILBase, AnVILGCP, AnVILPublish, AnVILWorkflow, aos, APCalig...| cran.r-project.org