Below are a few of the more widely-used interdisciplinary, scholarly networking tools. Being part of a network may help you find collaborators and publicize your work more widely. Discipline-specific online networking communities also exist.
Known also as a citation management tool, Mendeley includes a social networking element. Researchers can create profiles and build and share their libraries of citations. Mendeley tracks how often citations are saved to libraries as a type of altmetric.
Web-based service that "helps researchers and their institutions and funders to maximize the visibility and impact of their published articles."
Use an Author Identifier
Using an author ID will help distinguish you from other authors with similar names and will make sure that all your research output is grouped together - both good steps in broadening your impact. Registering for an ORCID identifier is a great place to start!