Sherlock Project
Open source project that finds accounts by username across social networks.
About Sherlock Project
The Sherlock Project maintains an open source tool that checks a username against hundreds of social networks and reports where it exists. It is free, community maintained, and a common first step in an open source investigation.
Open jobs
Posted directly by the hiring team at Sherlock Project.
Nothing open at Sherlock Project right now.
Their tool
In Tools & Services. Listed, not recommended.