Mac OS X Softwares to Spell checking

Zed was a powerful, open-source code and text editor designed for developers who prioritized keyboard-centric workflows and offline capabilities. It aimed to provide a fast, responsive editing experience with advanced features like syntax highlighting, code completion, and integrated tools.

GNU TeXmacs is a powerful, free scientific text editor and typesetting system designed for complex documents, particularly in scientific and mathematical fields. It offers a WYSIWYG interface tailored for technical writing.

TweakStyle is an advanced code editor meticulously crafted for web developers. It simplifies the process of creating and fine-tuning web projects with a focus on HTML, CSS, and JavaScript, offering powerful features like live preview, code completion, and integrated tools.

CotEditor is a free and open-source text editor designed specifically for macOS. It offers a clean and intuitive interface, making it a lightweight yet powerful tool for plain text editing, coding, and more.

Aquamacs Emacs is a robust, free, and open-source text editor specifically tailored for the macOS environment, built upon the powerful Emacs framework. It provides a familiar Mac experience while leveraging Emacs' extensive customization and feature set, making it ideal for developers across various programming languages.

JOE (Joe's Own Editor) is a venerable, full-featured terminal-based text editor known for its ease of use and extensive feature set, making it suitable for both casual editing and complex programming tasks within the command line environment.

Hemingway Editor is a powerful desktop application designed to improve your writing by highlighting common errors and suggesting corrections. It focuses on readability, clarity, and conciseness, helping you write bold and clear prose.

Editra is a robust, cross-platform text editor designed with developers in mind. It's open-source, highly customizable through plugins, and features essential tools for coding like syntax highlighting, code completion, and an embedded terminal.

Nevron Writer is a powerful word processor designed as a comprehensive alternative to Microsoft Word, offering extensive text editing capabilities, robust compatibility with Microsoft Office formats, and built-in tools for PDF conversion and more.

Open365 is a comprehensive, open-source productivity suite offering cloud storage, office applications, and communication tools. Built upon a foundation of open-source technologies like KDE, Seafile, and LibreOffice, it provides a robust alternative to proprietary solutions, emphasizing privacy and control.

LanguageTool is an extensive open-source proofreading tool designed for individuals and businesses, supporting a large number of languages. It offers crucial grammar, style, and spell checking capabilities across various platforms through browser extensions, desktop applications, and integrations.

Textadept is a powerful, free, and open-source text editor designed for programmers. Focusing on speed and extensibility, it offers a minimalist interface while providing robust features like syntax highlighting, code formatting, and a built-in terminal, all heavily customizable through Lua scripting.

NeoOffice is a robust office suite specifically designed for macOS users. It provides a comprehensive set of tools for word processing, spreadsheets, presentations, drawing, and databases, directly integrating with the macOS environment.

Gnumeric is a powerful, open-source spreadsheet application developed as part of the GNOME Free Software Desktop Project. It offers a comprehensive set of features for numerical analysis, data visualization, and general spreadsheet tasks, providing a viable alternative to commercial spreadsheet software.

Apple iWork is a comprehensive office suite for macOS, iOS, and web, offering powerful yet user-friendly applications for word processing (Pages), spreadsheets (Numbers), and presentations (Keynote). It provides seamless integration across Apple devices and iCloud, enabling effortless document creation, editing, and collaboration.

Aegisub is a powerful and free open-source cross-platform subtitle editor, widely adopted by fansubbing communities and professionals for creating, translating, and styling subtitles for visual media.

Espresso is a powerful macOS-only web development tool designed for speed and simplicity. It combines code editing, visual previewing, and publishing features, making it an all-in-one solution for building websites.

Valentina Studio is a powerful, free database management tool for database administrators and developers. It offers a comprehensive suite of tools to manage and query various database types, including MySQL, PostgreSQL, SQL Server, MariaDB, SQLite, and its own Valentina DB. With robust features ranging from schema editing and SQL query building to ER diagramming and reporting, Valentina Studio simplifies complex database tasks.

Bluefish is a powerful yet lightweight code editor designed for web developers and programmers. It offers a wide array of features for HTML, CSS, JavaScript, PHP, and many other programming languages, focusing on efficiency and ease of use for building dynamic websites and applications.

GNU Emacs is a highly extensible and customizable text editor, renowed for its powerful features and ability to serve as a complete development environment. It is based on the Emacs Lisp programming language, allowing for deep customization and a vast ecosystem of packages.

Bean is a discontinued, lightweight word processor for macOS, designed for simplicity and efficiency. It provides core rich text editing features without the complexity of larger suites, focusing on a clean and fast writing experience.

NINJA-IDE is a free and open-source, cross-platform integrated development environment specifically designed for Python development. It offers a range of features to improve productivity, including syntax highlighting, code completion, debugging tools, and a built-in terminal. Its extensible architecture allows for customization through plugins and themes.

Geany is a powerful yet lightweight text editor that bridges the gap between basic editors and full-fledged IDEs. It provides essential development environment features like syntax highlighting, code navigation, and a built-in terminal, making it suitable for a wide range of programming tasks.

Microsoft Office Suite is a comprehensive collection of productivity tools designed for individuals and businesses. It includes essential applications like Word, Excel, PowerPoint, and Outlook, providing robust capabilities for document creation, data analysis, presentations, and email management. Seamless integration and cloud connectivity enhance collaboration and accessibility.

Write! is a versatile and elegant writing application designed for creating notes, to-do lists, articles, and longer writing projects. It combines the essential features of a word processor with a clean, distraction-free interface to promote focus and productivity.

BBEdit is a powerful and robust text, code, and markup editor for macOS. Renowned for its stability and feature set tailored for developers and writers, it offers advanced search and replace, syntax highlighting, and integration with developer tools.

gedit is a free and open-source text and code editor for the GNOME desktop environment. Known for its simplicity and clean interface, gedit provides essential features for both general text editing and basic code development, making it a popular choice for users seeking a straightforward and efficient tool.

Apache OpenOffice Writer is a powerful, open-source word processor offering a comprehensive set of tools for creating professional documents. It's a key component of the OpenOffice suite, providing a free alternative for users needing robust document creation and editing capabilities.

Microsoft Office Word is a leading word processing application, part of the Microsoft 365 suite. It provides comprehensive tools for creating, editing, formatting, and sharing documents for personal, academic, and professional use.

Peppermint is a lightweight and native code editor designed exclusively for macOS, offering a clean and fluid interface for developers. It focuses on providing essential features like syntax highlighting, code completion, and built-in tools for a productive coding experience.