Overleaf is described as 'Formerly WriteLaTeX, is a collaborative writing and publishing system that makes the whole process of producing academic papers much quicker for both authors and publishers' and is a popular LaTeX Editor in the education & reference category. There are more than 50 alternatives to Overleaf for a variety of platforms, including Web-based, Windows, Mac, Linux and Self-Hosted apps. The best Overleaf alternative is LyX, which is both free and Open Source. Other great apps like Overleaf are TeXstudio, OpenAI Prism, Texmaker and Authorea.