ScribTeX is described as 'Online LaTeX editor'. There are more than 25 alternatives to ScribTeX, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Android. The best alternative is LyX, which is both free and Open Source. Other great sites and apps similar to ScribTeX are Overleaf (Freemium, Open Source), TeXstudio (Free, Open Source), Texmaker (Free, Open Source) and Kile (Free, Open Source).
LyX is a document processor that encourages an approach to writing based on the structure of your documents (WYSIWYM) and not simply their appearance (WYSIWYG). LyX combines the power and flexibility of TeX/LaTeX with the ease of use of a GUI.
TeXstudio is an integrated environment for writing LaTeX documents. Our goal is to make writing LaTeX as easy and comfortable as possible. Therefore TeXstudio has numerous features like syntax-highlighting, integrated viewer, reference checking and various assistants.
Kile is a user-friendly TeX/LaTeX editor by KDE. Kile gives you the ability to use all the functionality of LaTeX in a graphical interface and has interactive preview mechanisms to readily see the results of editing.
The TeXworks project is an effort to build a simple TeX front-end program (working environment) that will be available for all today’s major desktop operating systems—in particular, MS Windows (XP and Vista), typical GNU/Linux distros and other X11-based systems, and Mac OS X.
TeXnicCenter is a feature rich and easy-to-use integrated environment for creating LaTeX documents on the Windows platform. Its powerful editor and its tight integration with the LaTeX environment helps you to concentrate on what matters: The content of your document.
GNU TeXmacs is a free scientific editing platform designed to create beautiful technical documents. It provides a unified and user friendly framework for editing structured documents with different types of content: text, math, graphics, slides, etc.
LaTeXila is an Integrated LaTeX Environment for the GNOME Desktop, written in Vala and covered by the GPL 3 license. Here is a summary of the functionalities: - Build Tools: customizable buttons to compile, convert and view a document in one click.