Khigo 4+

Khigo is a Safari App Extension that makes easy to search text with different search engines using drag & drop.

-- Drag & drop text to search using different search engines and open in new tab.
-- Drag & drop links to open in new tab.
-- Supports four directions left-up, right-up, right-down and left-down.
-- Add or remove search engines and configure search engines for each direction.
-- Open tabs at foreground or background according to direction.
-- Press 'Escape' to cancel drag.
-- If source element is an image then image link (if present) is opened by default. Press and hold alt(option) key to open image source URL instead.
-- The links are opened by default if selection contains them. Press and hold alt(option) key to search selected text with search engine.