Mozilla Firefox

Mozilla Firefox is an open source web browser developed by Mozilla Foundation.First released in 2002 under the name Phoenix. It's available for most operating systems including Windows, macOS, Linux, and most phones and tablets.

Technologies: C++, C, HTML, JavaScript
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Linux

Linux is a free and open source project developed by Linus Torvald in 1991. Basically, it is an operating system kernel that is open and free for everyone.

Technologies: C, Assembly language
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Apache Cassandra

Apache Cassandra is an open source NoSQL distributed database designed to manage massive amount of structure and unstructured data across the world.
It was developed at Facebook for inbox search and open sourced in July 2008.

Technology: Java
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Top Contributor: Jonathan Ellis, CTO & Co-Founder at DataStax

TensorFlow

TensorFlow is a free and open source software library for Machine Learning and Artificial Intelligence. It was created by Google Brain Team in 2015.

Technologies: Python, C++
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Django

Django is a Python based open source web framework that follows the model template views architectural pattern. It’s design to help developers achieve their most important objective, which rapid development.

Technology: Python
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Kubernetes

Kubernetes is an open source container orchestration system for automating computer application deployment, scaling, and management. It was originally designed by Google and is now maintained by the Cloud Native Computing Foundation.
It aims to provide a "platform for automating deployment, scaling, and operations of application containers across clusters of hosts". It supports a range of container tools, including Docker

Technology: Go
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Ansible

Ansilble is an open source community project sponsored by Red Hat. It is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.

Technologies : Python, PowerShell, Shell, Ruby
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Geany

Geany is a small and lightweight IDE that runs on Linux, Windows, MacOS, and every platform that is supported by GTK libraries.

Technologies: C, C++
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Renovate

Renovate is the essential “keep absolutely everything up-to-date” code maintenance tool. Acquired by WhiteSource in November 2019, Renovate is designed to save developers time and reduce security risk by automating dependency updates in software projects.

Technologies: JavaScript, TypeScript
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Jenkins

Jenkins is an open source automation server. It helps automate the part of software development related to building, testing and deploying, facilitating continuous integration and continuous delivery.

Technology: Java
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These projects are giant and managed by the community member, not managed by particular ownership. Also, open for everyone who wants to contribute to. Interesting right!!

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