Application program interfaces (Computer software) Development 67 Application software 62 Web applications 26 Cloud computing 17 Java (Computer program language) 16 JavaScript (Computer program language) 16 Python (Computer program language) 11 Artificial intelligence 9 Representational State Transfer (Software architecture) 9 Computer programming 8 Spring (Software framework) 8 Web services 7 Microsoft .NET Framework 6 Open source software 6 Computer programs 5 Testing 5 Web site development 5 Apache Kafka 4 Node.js 4 Active server pages 3 Automation 3 Chatbots 3 Computer software 3 Data processing 3 Design 3 Internet programming 3 Natural language processing (Computer science) 3 Web sites 3 Ajax (Web site development technology) 2