tke 3.3 Tke is a full-featured and Tcl/Tk-based source code editor. It supports syntax highlighting and auto-indentation for multiple languages. There's support for a Vim mode, code snippet and clipboard management, bookmarks and multiple cursors. Tke provides a tabbed interface with a file system sidebar. It's also NFS and lock aware, extensible per plugins, allows regex searching/replacing, has configurable menus, and allows unlimited undo/redo levels.