MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
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.
Barkr - Organise bookmarks into collections and then find your favourite websites quickly and easily, using an intuitive search rather than wading through masses of folders.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
Pinboard - Pinboard is a personal archive for things you find online and don't want to forget.