SERPStream is a 100% free SEO tool. Members can keep track of their site's Search Engine Results Page position with updates as frequent as a dozen times a day. SERPStream have a great newsletter, sends email alerts, and have a state of the art keyword rank tracking dashboard.
Serpstat - Search analytics, Rank tracking, Backlink analysis and Site Audit tool.
Sniply - Sniply is a content marketing tool providing social media conversion.
SEO PowerSuite - Get all SEO tools in one pack - download free edition of SEO PowerSuite and get top 10 rankings for your site on Google and other search engines!
Animoto - Animoto turns your photos and video clips into professional video slideshows in minutes. Fast, free and shockingly simple - we make awesome easy.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
DeepLink - Deeplink is a deep linking platform for native apps, enabling app developers to link to specific pages inside their apps.