Cloud skills are required for virtually any career in today’s global marketplace. Containers are critical for cloud applications. Kubernetes provides container software that is ideal for developers and teams looking to get started and experimenting with container-based applications
Data Science & Analytics
Data Asset Exchange (DAX) is a hub for data scientists to find curated open datasets under open data licenses. Model Asset Exchange (MAX) makes trained open source deep learning models available for application use. IBM Watson Studio enables data scientists to engage with data to answer tough questions. It relies on Jupyter Notebook, to create/share documents with live code, equations, visualizations, & narrative text.
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A container is a small file that packages together application code along with all the libraries and other dependencies required to run. Packaging code into a container guarantees that it has everything needed to run out of the box, regardless of the operating environment.  Open source technologies like OpenShift, Docker,  Kubernetes, Istio, and Knative are at the heart of containers. 
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Blockchain has emerged as disruptive way to conduct transactions within trusted networks. As companies in many industries are looking to start and join networks, demand for blockchain skills has far exceeded supply. The open source Hyperledger project at the Linux Foundation is the cornerstone of IBM Blockchain
IBM Q is an industry first initiative to build universal quantum computers for business and science. You can interact with quantum computers via Qiskit: An open-source quantum computing framework for leveraging today's quantum processors in research, education, and business.
Cognitive & Artificial Intelligence
IBM has been exploring and building technologies for artificial intelligence and machine learning techniques for decades. One of the key focus areas is AI fairness & trusting AI. AI fairness 360 is an extensible open source toolkit to help you examine, report, and mitigate discrimination and bias in machine learning models throughout the AI application lifecycle.
In today's world, there are serious security threats that must be addressed head-on. The Adversarial Robustness Toolbox is an open source library dedicated to adversarial machine learning. Its purpose is to allow rapid crafting and analysis of attacks and defense methods for machine learning models.
Node-RED is an open source programming tool for wiring together hardware devices, APIs and online services in new and interesting ways. It provides a browser-based editor that makes it easy to wire together flows using the wide range of nodes.
More on IBM and Open Source
IBM has been engaged in open source for decades. Get an overview of IBM's key open source projects. Join Code & Response which is a long-running hackathon to produce open source software to mitigate the effects of natural disasters. Read and Subscribe to IBM Developer Newsletters.