paxtonstars0 - Inspired by powerline. Includes segments for git branch, time, last command exit status and current directory. Requires a powerline-compatible font.
Raindrop.io: every collection still has public RSS feed but Raindrop does not plan to support further improvements for RSS due to possible privacy issues. 399
Stoplight - Saas for collaborativly designing and documenting for APIs. The free plan offers free design, mocking and documentation tools to get started.
Tim Roughgarden. Foundations of Blockchains - The science and technology of blockchain protocols and the applications built on top of them, with an emphasis on fundamental principles rather than specific protocols. - See also Lecture Videos.
Track your favorite github awesome repo, not just star it. trackawesomelist.com provides website, newsletter, RSS for tracking the popular awesome list by daily and weekly.