MMAC: Centre of Excellence for Mathematical Modeling and Advanced Computing in Science and Engeneering, No. 664406 — MMAC — H2020-WIDESPREAD-2014-2015/H2020-WIDESPREAD-2014-1, Teaming, (2015 – 2016), website

MONDILEX Conceptual Modelling of Networking of Centres for High-Quality Research in Slavic Lexicography and Their Digital Resources, coordinator: Ludmila Dimitrova, 7 FP EC “Capacity – Research Infrastructures”, Grant Agreement No 211938 (2008–2010), website

EuDML European Digital Mathematical Library, IMI-BAS coordinator: Radoslav Pavlov, 7 FP EC, CIP-ICT-PSP.2009.2.4 (2010–2013), website

LOGOS Knowledge-on-Demand for Ubiquitous Learning (9 Priority 2.4.13 "Strengthening the Integration of the ICT research effort in an Enlarged Europe"), IMI-BAS coordinator: Radoslav Pavlov, FP6/IST/P-027451 (2006–2008)

HUBUSKA Networking Centres of High Quality Research on Knowledge Technologies and Applications, IMI-BAS coordinator:Radoslav Pavlov, 6FP INCO-CT-20030003401 (2004–2007)

LdV JASON On the Job e-Training Skills to Deal with Digital Cultural Heritage Content, IMI-BAS coordinator: Radoslav Pavlov, PT/04/B/F/PP-159052 (2004–2006), website

LdV CHIRON Referring Innovative Technologies and Solutions for Ubiquitous Learning, IMI-BAS coordinator: Radoslav Pavlov, FR/04/C/F/RF-81103 (2004–2006), website

LdV KNOSOS New Media Knowledge Village for Innovative e-Learning Solutions, IMI-BAS coordinator: Radoslav Pavlov, EL/2002/B/F/114025 (2003–2005)

INTAS project A Reconstruction of Prehistoric Eurasian Mythological Complexes and their most Ancient Distribution in Connection with Genetic Data, EC, IMI coordinator Konstantin Rangochev (2006–2008)

PL96-1142 CONCEDE Consortium for Central European Dictionary Encoding, IMI-BAS coordinator: Radoslav Pavlov, EU 5thFP INCO-COPERNICUS Programme (1998–2000), website

ARCHIMED Advanced Multimedia System Architecture and Applications for Educational Telematics, IMI-BAS coordinator:Radoslav Pavlov, EU COPERNICUS Programme (1998–2000)

COP 106 MULTEXT-East Multilingual Text Tools and Corpora for Central and Eastern European Languages, IMI-BAS coordinator: Radoslav Pavlov, EU COPERNICUS Programme (1995–1997), website

COP 200 ELSNET GOES EAST, IMI-BAS coordinator: Radoslav Pavlov, EU COPERNICUS Programme (1995–1996)