TeXstudio is a fork of TeXMaker with more tools and customization options. It inherits all the features and functionalities of TeXMaker with addition to many other features for writers and researchers. Its library has 1000+ mathematical symbols, easy bookmarks management, drag/ drop support for images, live assistant for images, formulas, tables and code.
It features enhanced autocompletion, code folding, interactive dynamic spellchecker, interactive grammar checker, and reference checker. It also comes with built-in support for LaTeX compilers, bibliography manager, and glossary.