Reply is a sales engagement platform that helps you automate & scale multichannel outreach, so you can generate more leads, acquire new customers and grow revenue faster.
Reply lets you quickly build sequences to contact prospects by email, text, call, and LinkedIn (Message, InMail, Connection Request). The user interface is straightforward and doesn't require any coding.
PersistIQ gives you the sales automation platform and outbound sales team to help small businesses set up their own outbound sales engine to get new clients.
If your budget is tight we'd recommend this tool. It's relatively cheap and still does the core job of email automation. Although we wouldn't recommend running large volumes through it. They also have a decent "email finder" Chrome extension.