Komodo Edit 

Open and create codes in a variety of programming and scripting languages, including PHP, Python, Ruby, Tcl, Perl, JavaScript, CSS, XML, HTML, Template-Toolkit, HTML-Smarty, Djang, and RHTML. View Ruby tools, such as generators, migrate, plugins, and snippets, run tests, debug, generate or delete databases, and edit files within projects.

Komodo Edit is an integrated development environment (IDE) supporting multiple programming and scripting languages, such as Python, Ruby, PHP, Tcl, JavaScript, Perl, HTML, CSS and RHTML. The program has a nice and modern interface, which can easily be adapted to your preferences, mostly regarding the location of the different panes and toolbars. Being an IDE, this tool is mainly oriented to programmers.

The editor comes with various features that can make programming an easier task. You can start a new project from scratch or a template. Likewise, you can use predefined blocks of HTML code. Just like most similar programs, Komodo Edit supports syntax highlighting and intelligent code completion, which can help you avoid typing and syntax mistakes as well as remember complex syntactic structures. Besides, Komodo Edit has its built-in spellchecker. It also supports, multiple selections, paragraph alignment and setting bookmarks. While you write your code, you can verify the results by previewing pages on your default web browser. Finally, it is good that the editor can be run from the command line.

All in all, Komodo Edit works stably and does not use much CPU power. However, it does consume a lot of RAM, which may affect other software running on a computer with low memory resources. The product is open source so it is a great alternative when you are running on a low budget. You should know that there is a similar program by the same developer, which is actually a paid version of the same tool. It is called Comodo IDE and comes with many more features, such as debugging, unit testing, code refactoring, code profiling and integration with other technologies.