TeXworks
TeXworks is a free, open-source TeX editor for Windows, macOS, and Linux. It is based on the TeXShop editor for macOS, aiming to provide a similar, lightweight, user-friendly interface for other operating systems. TeXworks is distributed under a BSD license.
TeXworks features a built-in PDF viewer, making it possible to view the compiled document directly within the editor. It also provides features such as syntax highlighting, auto-completion, and template support to streamline the LaTeX writing process. The program supports various TeX distributions, including MiKTeX, TeX Live, and MacTeX. Its design philosophy centers on simplicity and ease of use, making it a popular choice for both beginners and experienced LaTeX users. The application emphasizes a plain text approach to editing, focusing on the raw LaTeX code while offering tools to facilitate compilation and viewing.