NVU 0.50 - visual HTML-editor (similar to FrontPage and Dreamweaver). In spite of this, it's possible to create pages in not-visual mode - working with code. The code created is not that big; the pages correctly appears in all browsers. Files created can be synchronized with the files on the FTP server in automatical mode. Supports all popular standards (HTML, XML, CSS etc), has it's own CSS-editor.
Features list - on the official site. Non-windows versions (Linspire, Linux, Mac OS X with all sources) - on the download page.
