Aimtell - Web push notifications for mobile & desktop
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.
OneSignal - Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
Litmus - litmus tests and tracks your email campaigns, so you can always put your best design forward.
Gravitec.net - Gravitec.net is a smart web push service that lets you boost subscribers through customizable prompts and automatically target your content to the right audience.
Return Path - Inbox placement solutions from Return Path helps improve email deliverability and increases email marketing ROI.