You can get backlinks using Link Collector sites.
What’s a Link Collector site?
It’s a site that gathers in content from various sources and posts links TO them. The easiest way to visualize this is to think of them as niche-specific mini-Twitters posting snippets and links to certain topically relevant articles.
Another way to think of this is having a Search Engine News Site posting SEO articles aggregated from myriad sources….