Gummi, WinEdt, Texmaker, TeXShop, Kile, TexitEasy, MacTeX, TeXnicCenter, Typeset, Bakoma Tex, Adobe FrameMaker, Texpad, TeXpert, VerbTeX LaTeX Editor, SwiftLaTeX, TexMaths, Latexian, Authorea, TeXmacs, TeX Live, Verbosus: Online LaTeX Editor, AsciidocFX, TeXPortal, VimTeX, MonsterWriter, TeXworks, ScribTeX, LaTexLab, LaTeXing, Vim-LaTeX, Latexila, JLatexEditor are some alternatives to TeXstudio.