Some word processing programs with spell check are LibreOffice Writer, WPS Writer and Google Docs. LibreOffice Writer is an open source word processor available for Windows, Mac OSX and Linux. It supports features such as spell checking, auto-complete and basic formatting. It is compatible with Microsoft Word file format.
WPS Writer is a free word processor available for Windows, Linux, iOS and Android. It comes with an automatic spell checker and all basic formatting tools. It also lets users export their documents to PDF format. This software is compatible with Microsoft Word files. Google Docs is a web-based word processor that supports spell checking and collaborative editing.