Alternatives to Edit HTML Online for all platforms with any license

Notepad++

Notepad++ is a free source code editor and Notepad replacement that supports several languages.

Free Open Source Windows PortableApps.com
Lightweight Custom Language Definitions Portable Tabbed interface ... Auto-saving Autocompletion Block edit Built-in editor Code formatting Color coding Column edit mode Configurable Customer support Developer Tools Extensible by Plugins/Extensions Support for FTP Integrated Search Support for Javascript Live Preview Macros Multiple languages Multiple Open Tabs Plugin manager Support for regular expressions Side-by-Side comparison Add a feature

4403 Like
Adobe Dreamweaver

Tool for building websites and applications. Adobe Dreamweaver software is intended for web designers, web developers, and visual designers.

Commercial $ $ $ Mac Windows
WYSIWYG Support Visual design Support for Bootstrap Drag n drop ... Support for FTP HTML/CSS/JS rendering iPhone/iPod sync Live Preview Support for SFTP WYSIWYG Support Add a feature

308 Like
Pinegrow Web Editor

Pinegrow is a desktop app that lets you build responsive websites faster with live multi-page editing, CSS styling and smart components for Bootstrap, Foundation...

Commercial $ $ $ Mac Windows Linux Atom
Support for Bootstrap Drag n drop Relational database Reusable content blocks ... Website builder WordPress WYSIWYG Support Add a feature

93 Like
KompoZer

KompoZer is a complete web authoring system that combines web file management and easy-to-use WYSIWYG web page editing. KompoZer is designed to be extremely easy to...
- Discontinued
  The project seems to be discontinued. Latest stable version, 0.7.10, was released on 2007 and last development version, 0.8b3, on 2010, but the program is still downloadable from the official website.
Free Open Source Mac Windows Linux PortableApps.com
WYSIWYG Support Multiple languages Portable Support for SFTP Add a feature

128 Like
Notepad3

Notepad3 is a fast and light-weight Scintilla-based text editor with syntax highlighting. It has a small memory footprint, but is powerful enough to handle most...

Free Open Source Windows
IDE Lightweight Portable Support for regular expressions ... Search and replace Syntax Highlighting Support for Unicode Add a feature

14 Like
CotEditor

Syntax Highlighting: Colorize more than 50 pre-installed major languages like HTML, PHP, Python, Ruby or Markdown. You can also create your own settings. Scriptable:...

Free Open Source Mac
macOS-like Colored Text File Versioning Add a feature

27 Like
EditPad Lite

EditPad Lite is a compact general-purpose text editor. Use EditPad Lite to easily edit any kind of plain text file. EditPad Lite has all the essential features to make...

Free Personal Windows
Support for Large File Minimalistic Multiple languages Portable Add a feature

41 Like
SynWrite

SynWrite is a free source code editor and notepad replacement for Microsoft Windows Operating Systems. SynWrite features: syntax highlighting for lots of languages;...

Free Open Source Windows Total Commander
IDE Portable Syntax Highlighting Tree structure Add a feature

28 Like
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Microsoft Expression Web

Microsoft Expression Web, part of Microsoft's Expression Studio, is an HTML editor and general web design software. Expression Web can design and develop web pages...
- Discontinued
  Since September 2015, Microsoft Expression Web is no longer developed and supported. Last version, 4.0.1460.0, released in December 2012, can be still downloaded from the Microsoft Download Center.
Free Windows
Support for SFTP Add a feature

46 Like
Editra

Editra is a multi-platform text editor with an implementation that focuses on creating an easy to use interface and features that aid in code development. Currently it...
- Discontinued
  The latest version available for download from the website is nearly 5 years old, from 2013. The last sign of activity on the blog ( a blog post ) is from 2015.
Free Open Source Mac Windows Linux
IDE Add a feature

21 Like