Open Source
Operations Training and Certification for Apache Cassandra® – Starts June 7th
About This Course Apache Cassandra® is an open source non-relational, or NoSQL database that enables continuous availability, tremendous scale, and...
Developer Training and Certification for Apache Kafka®
About This Course Apache Kafka® is the open source technology of choice across industry leaders, used for building...
What is PostgreSQL®️ and why should you learn it?
The Case for PostgreSQL®️ If you’re in database administration, chances are you’ve faced an age-old question: is it...
What is Apache Spark™?
What is Apache Spark™? Apache Spark™ is a high performing, sophisticated, open source analytics engine built around speed, performance...
What is Apache Cassandra®?
What is Apache Cassandra®? Apache Cassandra® is an open source non-relational, or NoSQL, a database that enables continuous...
What is Apache Kafka®?
What is Apache Kafka®? Apache Kafka® is the leading distributed streaming and queuing technology for large-scale, always-on applications. Kafka...
Welcome to OpenSI – A New Open Source Foundation
Welcome to OpenSI OpenSI is a not-for-profit open source foundation focusing on open source training, certification, and research...