Qutepart is a code editor widget for PyQt. Features:
- Syntax highlighting for 196 languages.
- Smart indentation for many languages.
- Line numbers.
- Bookmarks.
- Advanced edit operations.
- Matching braces highlighting.
- Autocompletion based on document content.
- Marking too long lines with red line.
- Rectangular selection and copy-paste.
- Linter marks support.