git:logs - The definitive list of open source resources on Github
Productivity.so - Shortcuts and hacks for your favorite tools
Reviewly - Create take-home projects to send to your job candidates, where you can ask them to code, discuss an issue, and/or review a PR directly in a private repository on GitHub.
Productivity Planner - This package contains a selection of 10 templates that have helped me increase my productivity over the past 5 years.
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Productivity Tools by Dropbox - Scan, share, collaborate & provide feedback on your ideas