Useful links

HLG - the High-Level Group for the Modernization of Statistical Production and Services http://www1.unece.org/stat/platform/display/hlgbas
OSOR - the Open Source Observatory and Repository for European public administrations: a platform for exchanging information, experiences and FLOSS-based code for use in public administrations. Here you can find many communities among which "OSS and Statistics". http://www.osor.eu/communities/oss-and-statistics/oss-and-statistics
ODaF - the Open Data Foundation is a non-profit organization dedicated to the adoption of global metadata standards and the development of open-source solutions promoting the use of statistical data. http://www.opendatafoundation.org/
CORA (COmmon Reference Architecture) is a research network (ESSnet) funded by Eurostat. Its main objective is to define an architecture common to statistical agencies that can be used as a reference for both the business and the technical architectures. http://forge.osor.eu/projects/cora/#
ICT4Progress was founded to allow you to share your ICT projects, the actual source code, application, tools and design with other developers or interested users from all around the world. http://ict4progress.depplab.net/
SDMX Tools Database http://www.sdmxtools.org/index.php
GSIM - The Generic Statistical Information Model - http://www1.unece.org/stat/platform/display/metis/Generic+Statistical+Information+Model+(GSIM)
GSBPM - The Generic Statistical Business Process Model - http://www.unece.org/stats/gsbpm