I have been using LinkDeploy for past 3 months and so far I have never faced any issues. The payment was on time every month. It best for a new site with decent traffic.
Funnl - Generate B2B sales meetings that close
Backlinko - Backlinko is the place for next-level SEO training and link building strategies.
Lattice Engines - Lattice provides companies with tools that help drive predictable marketing and sales performance
SEO PowerSuite - Get all SEO tools in one pack - download free edition of SEO PowerSuite and get top 10 rankings for your site on Google and other search engines!
Salesflare - Simply powerful CRM. Automates your data to build better relationships and make more sales.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.