GPLDL - 1066 GPL-licensed WordPress themes & plugins for free
LyrWP - WordPress themes / plugins / services curated.
Elementor - Elementor is a front-end drag & drop page builder for WordPress.
Blocksy - A lightningfast, innovative and supercharged WordPress theme
WPdetector - WPdetector is a free tool that helps users find out the theme and plugins used by a WordPress website. In short, it is a theme detector and a wp plugin detector. WP Detector also shows additional information about the website and its domain.
Cloud-Press - Create unique responsive wordpress sites without coding