EmEditor

The most significant strength of EmEditor is its ability to open and manipulate files that would cause most other text editors to crash or become unusable. Whether it's a multi-gigabyte log file, a massive CSV export, or a huge source code repository, EmEditor handles it with remarkable speed and efficiency. This capability alone makes it an indispensable tool for data analysts, system administrators, and developers dealing with big data or extensive logging.

Beyond large file support, EmEditor offers a comprehensive set of features catering to a wide range of users. For programmers, it provides excellent syntax highlighting for numerous languages, auto-completion, and integration with external tools. The built-in macro engine and extensive scripting support (JScript, VBScript) allow for powerful automation of repetitive tasks, a major productivity booster.

Data professionals will appreciate the dedicated features for working with delimited files like CSV and TSV. EmEditor can display these files in a structured, tabular format, making it easy to sort columns, filter data, and perform columnar operations which are cumbersome in standard text editors.

Customization is another area where EmEditor shines. Users can tailor almost every aspect of the editor, from the user interface and keybindings to syntax highlighting rules and toolbar layouts. This allows users to create an environment perfectly suited to their workflow.

The plugin architecture further extends EmEditor's capabilities. While it comes with a robust set of built-in features, users can install plugins to add specialized functionality, whether it's integration with external tools, additional editing modes, or specific file type support.

Performance is consistently strong. EmEditor starts quickly and remains responsive, even when working with complex operations or large documents. Search and replace operations, including those using regular expressions, complete rapidly.

While EmEditor is powerful, its extensive feature set can be overwhelming for new users migrating from simpler editors. The interface, while customizable, may initially feel less streamlined than some more modern-looking editors. However, the learning curve is manageable, and the extensive documentation and online resources are helpful.