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.
AwesomeDigest - An email newsletter for every "awesome" list on GitHub 😻
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Daily Time Tracking - Daily shows what you have been working on and for how long. It creates accurate timesheets by asking what you are doing, so no more timers or switching tasks. Use its data to submit your hours, create invoices or simply increase your productivity.
CodeSignal - CodeSignal is the leading assessment platform for technical hiring.
Bootstrap Zero - Open-source, free Bootstrap templates collection.