Addmefast - Building a website or network on Internet is no longer a hard task but promoting and marketing it is still a difficult task but not impossible.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
YouLikeHits - YouLikeHits is an online service that brings results within seconds.
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
Like4Like - Like4Like is a free network that will enable you to promote your social presence for free on Facebook, Twitter, YouTube, Google+, StumbleUpon, Pinterest, Instagram, SoundCloud, MySpace and Vkontakte.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.