PloyRef - Automated employee reference checking
A-List by AngelList - Hire top tech talent, first
Tomigo - Tomigo is a social recruiting platform that leverages your company's social connections to hire top talent.
Unicorn Hunt - A magical beast of a job board
WorkGrades - WorkGrades is the best software for gathering and managing your work references.
Jobs on Facebook - You can now apply for a job directly on Facebook