X-ray, Boolean Searching, Candidates Searching, Full Recruiting Cycle, Outlook, Interviewing, Google services Microsoft Office, Task Management Systems (Trello, Jira), CRM System (Persia), ATS Software (People Force), LinkedIn Recruiter Lite, TurboHiring
Sites: Djinni, Dou, GitHub, rabotaUa, etc
Technology: WorkUa, UpWork, Glassdoor, Indeed, etc