devmarks.io - Bookmarking for Developers
GitNews App - Trending repositories from GitHub, HackerNews & Reddit
Pinboard - Pinboard is a personal archive for things you find online and don't want to forget.
Sip by Product Hunt - Daily tappable tech news and stories.
Little Star - Efficiently and easily manage your GitHub stars
I Code Dis - Discover, submit and upvote the best GitHub repos