Conseris is a web and mobile application for collecting data anywhere and anytime.
According to its website, "VOSviewer is a software tool for constructing and visualizing bibliometric networks. These networks may for instance include journals, researchers, or individual publications, and they can be constructed based on citation, bibliographic coupling, co-citation, or co-authorship relations.
DiscoverText allows users to import data from a variety of sources (including free and premium Gnip Twitter feeds, plain text, Word, Excel, public YouTube comments, blogs/wikis, PDF, etc.), to view, search, filter, deduplicate, code and machine classify the data. This is a collaborative, web-based platform widely used by academics.