GitHub Repository Size - Browser extension to show file and repo size in GitHub
Awesome GitHub Topics - Top 500 topics on GitHub that's filtered and categorized
GitNews App - Trending repositories from GitHub, HackerNews & Reddit
Top 10 Programming Languages - A well-researched analysis of the top programming languages
Roundup - Email digest of new releases from your starred GitHub repos
AwesomeDigest - An email newsletter for every "awesome" list on GitHub 😻