Library applications Online social networks 23 Libraries 22 Mobile communication systems 18 Social media 15 Library Web sites 13 Design 12 more ... Automation 10 Open source software 9 Web services 8 Information technology 7 Marketing 7 Mobile computing 6 Application software 5 Data processing 5 Electronic information resources 5 Libraries and community 5 Management 5 Smartphones 5 Archives 4 Pocket computers 4 Application program interfaces (Computer software) 3 Cloud computing 3 Development 3 Integrated library systems (Computer systems) 3 Microcomputers 3 Museums 3 Public services (Libraries) 3 Shared virtual environments 3 Special collections 3 less ...