Office

Master your text like never before with Vim, an efficient, fast, and keyboard-driven editor that gives you full control without slowing you down and supports hundreds of programming languages and file formats.

Organise, convert, and manage your eBooks effortlessly with Calibre—a powerful, free tool that puts you in control of your entire digital library. For Windows, macOS and Linux computer systems.

LibreOffice is a free office tools suite available for Windows, macOS, and Linux operating systems. For all of their needs, users can utilize the word processor, spreadsheet program, and slide creator.

LanguageTool is an online proofreading tool that checks for grammar, spelling, and style errors in multiple languages. It offers suggestions for corrections and improvements, making it useful for everyone.

Create and refine eBooks effortlessly with Sigil—an intuitive, open-source EPUB editor built to give you full control over formatting, structure, and content. For Windows, macOS, and Linux.

7-Zip is a free open-source file compression software that supports a wide range of formats, including 7z, ZIP, RAR, TAR, GZIP, BZIP2, and ISO. It is available only for Windows. macOS and Linux users can use compatible alternatives.

Simplify your scientific and engineering projects with Scilab—a free, open-source software for numerical computing, modeling, and data analysis. Perform simulations, visualize results, and explore mathematical solutions without cost or restrictions.

Organize your ideas and write freely with Manuskript—a user-friendly tool that helps you draft, outline, and manage creative projects without distractions. Available for Windows, macOS, and Linux computers.

OpenOffice is an office suite developed by Apache, which offers tools similar to Microsoft Office (including word processing, spreadsheets, presentations, and databases).