This document provides a history and overview of online collaboration efforts through the Dgroups partnership. It discusses the origins of online discussions and knowledge sharing among development organizations in the late 1980s and 1990s. It describes the creation of Dgroups in 2001 as a joint initiative to scale these efforts. The document outlines Dgroups' current mission, vision, and activities focused on facilitating peer learning, hosting online discussions, and providing access to collaboration platforms. It proposes a facilitated Dgroups dialogue following a July 2020 event to discuss lessons learned about effective online collaboration in international development, beyond the limitations of the COVID-19 pandemic. Help is requested to identify critical factors and topics to focus the discussion.