GP Group Poster is described as 'The First LinkedIn & Facebook Groups Auto-Poster Tool' and is an app in the Web Browsers category. There are more than 100 alternatives to GP Group Poster for a variety of platforms, including Online / Web-based, iPhone, Android, SaaS and Mac. The best alternative is Buffer, which is free. Other great apps like GP Group Poster are Hootsuite (Freemium), ContentStudio (Paid), Crowdfire (Freemium) and PromoRepublic (Paid).
HootSuite is a social media management system for brand management. The system’s user interface takes the form of a dashboard, and supports social network integrations for Twitter, Facebook, LinkedIn, Google+, Foursquare, MySpace, WordPress, TrendSpottr and Mixi.
ContentStudio makes it super simple to discover engaging content for your topics, keywords or domains and then share it on multiple social media platforms (profiles, pages and groups) with a few clicks.
Crowdfire is the biggest marketing product for Twitter and Instagram. Used by over 10 million Twitter and Instagram users and available on the web, Android and iOS. Very smart features that guarantee growth on social media
Sprout Social is a social media management platform used by leading companies across the globe to increase the efficiency of their social marketing efforts, community building and customer support via social channels such as Facebook and Twitter.