Apps Related to Scalability

Couchbase is an open-source, distributed NoSQL cloud database that provides high-performance, flexibility, and scalability for modern applications, optimized for interactive systems requiring low latency and high throughput.

Apache Cassandra is a highly scalable, distributed NoSQL database designed to handle large amounts of data across many commodity servers, providing high availability without a single point of failure.

Apache Mesos is an open-source cluster manager that abstracts CPU, memory, storage, and other compute resources away from machines, enabling fault-tolerant and elastic distributed systems.

FreeSWITCH is a highly flexible and scalable open-source software development platform for real-time communication. It enables the creation of Voice over IP (VoIP), WebRTC, telecommunications, and video chat applications.

Hazelcast is a leading open-source distributed in-memory data grid and stream processing platform designed for high-performance, low-latency applications. It provides incredibly fast data access and processing by keeping data in RAM across a cluster of machines, enabling real-time responsiveness.

ejabberd is a robust, scalable, and modular XMPP application server designed for real-time communication, supporting a wide range of features including chat, group messaging, federation, and security protocols. Written primarily in Erlang, it's known for its high performance and reliability.

Bonita BPM is an open-source platform designed for the creation, execution, monitoring, and management of business processes and workflows. It provides a visual development environment and a powerful engine to streamline and automate complex organizational operations.

Moodle is a widely adopted, open-source Learning Management System (LMS) designed to provide educators, administrators, and learners with a single, robust, and secure system to create personalized learning environments. It facilitates online learning, blended learning, and distance education with a comprehensive set of tools for course creation, delivery, and management.

Plone is a robust, secure, and highly extensible free and open-source Content Management System (CMS) built on the Zope application server. It is designed for ease of use and offers powerful features for publishing, collaboration, and workflow automation.