MLA, APA, Chicago / Turabian and most-common Bluebook forms as an integrated citing and note-taking platform for individual or group projects. Prompts for analysis of source types and is unique in offering teaching support and personal help on any citation. Instructor / librarian view allows teacher to comment on work-in-progress providing just-in-time feedback in-context. Archives copies of web pages and pdfs which can be annotated. Dashboard provides long-term access to a portfolio of work.
NoodleTools MLA Lite is a free version with a Bibliography component and limited set of citation types appropriate for elementary or middle-school students.