• ECMAScript (Language) - A standard for scripting languages, including JavaScript, JScript, and ActionScript.
  • Elastic Stack (Stack) - A collection of tools for searching, analyzing, and visualizing data, primarily known by its core components: Elasticsearch (the search and analytics engine), Kibana (the visualization and management interface), Beats (the data shippers), and Logstash (the data processing pipeline).
  • Elasticsearch (Database) - A source-available search engine based on Apache Lucene that provides a distributed, multitenant-capable full-text search engine.
  • Electron (Framework) - A free and open-source software framework developed and maintained by OpenJS Foundation.
  • Elixir (Language) - A functional, concurrent, high-level general-purpose programming language that runs on the BEAM virtual machine.
  • ELK (Stack) - An OS-agnostic web stack of open-source products—Elasticsearch, Logstash, and Kibana—used for collecting, processing, and visualizing data, particularly logs. It is now referred to as "Elastic Stack".
  • Ember.js (Framework) - An open-source JavaScript web framework that utilizes a component-service pattern.
  • Erlang (Language) - A general-purpose, concurrent, functional high-level programming language, and a garbage-collected runtime system.
  • Express.js (Framework) - A back end web application framework for building RESTful APIs with Node.js.
  • Fargate (Server) - A serverless, pay-as-you-go compute engine that lets you focus on building applications without managing servers.
  • FastAPI (Framework) - a high-performance web framework for building HTTP-based service APIs in Python 3.8+.
  • field of study (Category) - An academic discipline or specialized area of knowledge.
  • Flask (Framework) - a micro web framework written in Python.
  • Flowbite (Library) - An open-source library of over 600+ UI components, sections, and pages built with the utility classes from Tailwind CSS and designed in Figma.
  • Fortran (Language) - A third-generation, compiled, imperative programming language that is especially suited to numeric computation and scientific computing.
  • Foundation (Framework) - a free responsive front-end framework, providing a responsive grid and HTML and CSS UI components, templates, and code snippets, including typography, forms, buttons, navigation and other interface elements, as well as optional functionality provided by JavaScript extensions.
  • framework (Category) - A structured, reusable set of tools, libraries, and best practices that acts as a foundation for building software applications.
  • FreeBSD (Operating system) - A free-software Unix-like operating system descended from the Berkeley Software Distribution (BSD).
  • FuelPHP (Framework) - A fast, simple and flexible PHP 5.4+ framework.
  • Ganeti (Stack) - A virtual machine cluster management tool originally developed by Google.