UltraEdit
For almost 3 decades, UltraEdit has been the go-to text editor for 2+ million users and many Fortune 100/500/1000 enterprise customers. Renowned for its power and performance in handling and processing huge files and data, UltraEdit is also a highly configurable and fully themed code editor with support for nearly any source language or syntax.
Often called the "Swiss army knife" of text editors, UltraEdit is a powerful tool for users in a wide range of responsibilities and industries. From programming and project management to large file manipulation, from data sorting and column/block editing to remote (FTP/SFTP) file operations, from advanced file searching and text data reformatting, there's almost no problem that UltraEdit can't solve in the world of text editing.
UltraEdit is available for Windows, Mac, and Linux and is supported by a professional development team and customer service staff located in the USA.
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Neovim
API is first-class, discoverable, versioned, documented. MessagePack structured communication enables extensions in any language. Remote plugins run as co-processes, safely and asynchronously. GUIs, IDEs, web browsers can, embed Neovim as an editor or script host. Works the same everywhere, one build-type, one command. Modern terminal features such as cursor styling, focus events, bracketed paste. Built-in terminal emulator and strong defaults. Fully compatible with Vim's editing model and Vimscript v1. Start with :help nvim-from-vim if you already use Vim. The current stable release version is 0.5 (RSS). See the roadmap for progress and plans. With 30% less source-code than Vim, the vision of Neovim is to enable new applications without compromising Vim's traditional roles. Lua is built-in, but Vimscript is supported with the most advanced Vimscript engine in the world (featuring an AST-producing parser).
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Spacemacs
A community-driven Emacs distribution. The best editor is neither Emacs nor Vim, it's Emacs and Vim! Spacemacs is a new way to experience Emacs, a sophisticated and polished set-up focused on ergonomics, mnemonics and consistency. Key bindings are organized using mnemonic prefixes like b for buffer, p for project, s for search, h for help etc. Innovative real-time display of available key bindings. Simple query system to quickly find available layers, packages and more. Similar functionalities have the same key binding everywhere thanks to a clearly defined set of conventions. Community-driven configuration provides curated packages tuned by power users and bugs are fixed quickly.
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Quiver
Quiver is a notebook built for programmers. It lets you easily mix text, code, Markdown and LaTeX within one note, edit code with an awesome code editor, live preview Markdown and LaTeX, and find any note instantly via the full-text search. A note in Quiver is comprised of cells, snippets of text, code, Markdown, LaTeX (via MathJax) or diagrams (sequence diagram, flowchart). You can freely mix different cell types within one note. You can set different languages for different code cells, too. The programmer's notebook should make code editing effortless. Quiver packs the awesome ACE code editor in code cells, with syntax highlighting support for more than 120 languages, over 20 themes, automatic indent and outdent, and much more. Quiver lets you write in Markdown with inline formatting and custom CSS options. A live preview window renders Markdown as you type. Quiver uses MathJax to typeset mathematical equations written in LaTeX.
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