Correl News is a product and engineering newsletter from Fable about its Correl sales operating system, covering features like data credits, contact prospecting, forecasting and workspace design. Readers get explanations of how the product works, with pricing details and feature walkthroughs, mostly from a vendor perspective.

This newsletter from Mantiks, a B2B lead-finding platform, teaches recruitment agencies how to find client companies through job posting signals such as outsourced hiring and reposted jobs. Its issues are mostly product-driven how-to articles that repeatedly promote the Mantiks tool.