The Latvian Open Data Portal was created by the European Regional Development Fund co-financed project No. 188.8.131.52/16/I/001 "Public Administration Information and Communication Technology Architecture Management System" (PIKTAPS).
The portal uses open source technologies, incl. CKAN open data catalog platform.
The developed add-ons are available in open source at: https://github.com/dpp-dev
Total cost of development and implementation of portal requirements and software: EUR 71 117.99 (including VAT)