The Alliance as OPTICON and as partner in the OPTICON-RadioNet Pilot (ORP) generated many technical and policy studies and reports of continuing value.These includeReport to the EC RI leads on lessons learned during the EC SERV access programs by the three Pilot projects: OPTICON-RadioNet Pilot, ATMO-ACCESS, NEPAdaptive Optics developments during ORPOptical Community Trans-National Telescope Access in ORPVLTI Expertise Centres supportVLTI Technical developments in ORPEDI review for observatoriesTime Domain Astronomy BHTOM in ORPOverview of Alliance work in ORPFree Space Atmospheric Site Characterisation