Signal is described as 'Helpful software for managing, monitoring and measuring your mobile, social and email marketing efforts. #863 in the Inc. 5000. Built in Chicago!' and is an website in the Business & Commerce category. There are more than 50 alternatives to Signal, not only websites but also apps for a variety of platforms, including SaaS, iPad, Windows and iPhone. The best alternative is Mailchimp, which is free. Other great sites and apps similar to Signal are Sendinblue (Freemium), Mailman (Free, Open Source), SendPulse (Freemium) and Campaign Monitor (Paid).
- 63 alternatives