• openHPI - an interactive social platform for massive open online courses (MOOCs), e.g. about In-Memory Data Management, Internetworking, Semantic Web, or Web-Technologien
• tele-TASK - an video archive with more than 4.500 e-lectures recorded with our tele-TASK-system, e.g. about Internet and WWW-Technologie and Internet Security
• HPI @ iTunesU - with more than 5.000 podcasts about HPI and our chair
• Internet Bridge Germany-China - a remarkable 10 years lasting teleteaching project with Technical University of Beijing

• HPI-Digitalblog - a bloggers communication platform to discuss strengths and weaknesses of the IT-nation Germany

• Virtual Labs powered by the chair of Prof. Dr. Christoph MeineTele-Lab IT-Security - a virtual lab to get hands-on experinces in IT-security issues that is accessible via Internet
• Tele-Board - a portal to facilitate remote Design Thinking seesions for distributed teams
• SOA-Lab - Learn to creating a secure Web Service-based composed applications what is challanging due to the complexity of the WS-* specifications and the multitude of security specifications

• ECCC - a highly ranked, more than 15 years old Electronic Colloquium on Computational Complexity - and
• ECDTR - an upcoming Electronic Colloquium on Design Thinking Research

• HPI Identity Leak Checker - are your identity data leaked?
• HPI-VDB - a database for analysing attacks on IT-systems
• Blog-Intelligence.com - a blog analysis framework for exloring the blogoshere
• IPv6-Council - website of the German IPv6 Council
• Lock-Keeper.org - portal around a high security solution implementing physical network separation

... to our Research: 
              Security Engineering - Learning & Knowledge Tech - Design Thinking - former
... to our Teaching: 
              Tele-Lectures - MOOCs - Labs - Systems 
... to our Publications: 
              Books - Journals - Conference-Papers - Patents
... and to our Annual Reports.

In the context of its research and project activities the chair of Prof. Dr. Christoph Meinel hosts and powers a number of lecture portals, Internet servies and blogs for the public and scientific communities: