Permalink Manager is the most convenient way to alter your URLs without touching any core files. You may use it to remove rewrite slugs or add custom fields to permalinks.
Peeklink - Customized Link Previews for 🔥 Posts
Linkz.ai - Automatic rich link previews on hover that keep visitors on your website
Short.io - Short.io makes short links (vanity urls) on your own domain. Free signup, analytics and API. Chrome, slack, zapier and segment integrations.
Piar.io - Create beautiful custom link previews for all your social media channels in one place
Peekalink - An API to magically preview any link ✨
Mugshot Bot - Automated link preview images for your website. No more fussing with design tools or wading through thousands of stock photos.