Visual Studio Code, developed by Microsoft, is a free and open-source code editor widely used by millions of developers. It offers built-in support for JavaScript, TypeScript, and Node.js, with the flexibility to extend functionality through various extensions. Notable features include extensive customization options for themes, shortcuts, and UI layout, as well as a robust IntelliSense engine for efficient and accurate coding.

Sublime Text is a versatile code editor, ideal for comprehensive development environments that integrate code, markup, and prose seamlessly. Notably efficient with large projects, it effortlessly handles sizable source code files and allows smooth navigation through extensive lines of code. The Goto Anything feature facilitates quick jumps between files and functions, enhancing productivity. Additionally, Sublime Text excels in creating new files, enabling easy and automatic saving within specified project folders.

Atom is a robust text editor supporting real-time collaboration through the Teletype tool. It offers cross-platform editing, allowing users to work seamlessly across operating systems. The screen-splitting feature enables simultaneous work on multiple projects with a user-friendly UI featuring panes for code comparison and editing. Atom includes a file system browser for easy navigation and opening of single files or entire projects in a single window. The text editor enhances coding speed with auto-complete and search-and-replace features, facilitating quick text manipulation. It comes with default syntax highlighting for languages like CSS, JSON, and Ruby, and users can install additional packages through the built-in package manager.

Vim is a highly configurable text editor favored by programmers, often likened to an IDE due to its extensive extensions. It can be tailored for simple text editing akin to Notepad++. Despite its lightweight 6 KB size, Vim is a powerful editor supporting numerous programming languages and file formats, complemented by a robust plugin system. Distinctively, Vim prioritizes code editing over writing and excels in refactoring and working on existing codebases. Notable features include a keyboard-centric design with pre-configured key bindings for efficient and speedy coding actions.

NetBeans is a Java IDE that combines source code editing, executable building, and debugging in a single tool. The editor offers code formatting with customizable elements like wrapping styles and tab size, allowing developers to preview changes in real-time. Automatic insertion and highlighting of matching pairs enhance code organization, while the code folding feature quickly collapses and expands code blocks. Customizable keyboard shortcuts improve workflow efficiency, and the auto-completion feature helps fill in missing code and explore available options in the chosen language.

Notepad++ boasts exceptional execution speed and is lightweight, making it resource-efficient and suitable for low-end systems. The text editor offers simplicity and efficiency with syntax highlighting for improved code readability. Its code folding feature allows users to collapse code blocks, and auto-completion speeds up the coding process. While the UI is plain, users can customize it with themes, background/foreground colors, and font choices. A notable feature is the document map, particularly useful for navigating long lines of code in projects.

TextMate is a lightweight text editor with a clean UI, defaulting to plain text but allowing users to choose document types. It's open source, offering bundles for programming languages, source code control, file formats, and build systems for a streamlined workflow. The programming language bundle provides snippets and syntax highlighting, with the flexibility to add or remove bundles. TextMate is easy to navigate, featuring shortcuts for various actions, and enables quick edits through search and replace. Additionally, users can swiftly move between blocks and lines using options like find next, find previous, and show history.

Bluefish is a robust, open-source code editor designed for experienced users like programmers and web developers. It offers cross-platform functionality, being lightweight and fast. Noteworthy features include a snippets sidebar, auto-recovery for modified documents, and auto-completion for various programming languages. The Quickbar allows users to create a customized toolbar with frequently used tools, and the UI is customizable with different colors and language adjustment options. Bluefish supports code folding, enabling users to determine foldability for root tags. Additionally, users can easily configure external commands, enabling or disabling each command with a reset button to restore default settings.

Spacemacs, a modified version of Emacs, integrates Vim shortcuts and introduces a unique leader key – the space button. Built on four core pillars of ergonomics, mnemonics, and consistency, it prioritizes a user-friendly experience with quick editing support for different layouts. Mnemonics ensure intuitive shortcuts, like using space + W + S to split a window. Consistency is maintained across layers, ensuring similar interactions within different editor functionalities. As a keyboard-based code editor, Spacemacs requires users to memorize various key bindings.

Codeshare is a top-notch code editor designed for real-time collaboration, ideal for interviews, teaching, and code reviewing/debugging. Its sleek web application features a modern UI with essential tabs for settings, video chat, file download, and document creation. The default is a plain code editor, but it supports various pre-installed languages and allows syntax changes. Users can customize indentation, choose from 20+ themes, and leverage keymaps from other editors like Sublime, Vim, and Emacs. Document creation is available with or without sign-up, but unsaved work without an account disappears after 24 hours.