Below is a useful list of scientific journals where you can find publications from researches and studies. An in-depth literature review is certainly required to include papers from the following journals. 

• International Journal for Computers and Mathematical Learning
• For the Learning of Mathematics
• Journal of Educational Computing Research Themes in Education
• Journal of Mathematical Behaviour
• Interactive Learning Environments
• Journal of Classroom Interaction
• Cognition and Instruction
• Computers and Education
• Educational Research
• Educational Review
• Educational Studies in Mathematics
• Journal for Research in Mathematics Education
• The International Journal on Mathematics Education - Zentralblatt für Didaktik der Mathematik (ZDM)

Here, you can find some useful links for exploring:

Educational software

• Scratch 
• Geogebra

Platforms for Digital Materials

• Digital School (available only in Greek)

Repositories (available only in Greek)

• Photodendro
• Ifigeneia's Repository
• Proteas- Repository of Scenarios about Greek Language
• Aesop Platform

Websites (available only in Greek)

• Greek Ministry of Education
• General Secretariat for Research and Technology
• Training Teachers in Using ICT in the School Practice