This document summarizes presentations from various organizations at a meeting on open resource flows for development. Several organizations discussed their work on increasing transparency of aid spending and other resource flows through open data initiatives and standards like IATI. Challenges mentioned include the need for more integrated and interconnected data across different resource flow silos, as well as addressing different data standards and classifications across organizations. Potential opportunities discussed were using open data to better analyze how resources align with development priorities and impact, and driving better outcomes through increased transparency.