Qwaya is a self service Facebook advertising tool for performance marketers and other sophisticated advertisers. It's powerful features and nice web interface helps you run Facebook campaigns more efficient with less effort. The pricing is a simple mothly flat fee starting at $79/month which makes it highly affordable compared to other providers. Collaborative plans for marketing teams and agencies also available.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
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Doorboost - Doorboost is an online advertising software enabling users to create, analyze and optimize campaigns on Facebook, Instagram and Google.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
4C Insights - 4C Insights is a social advertising and analytics platform for TV and digital media.