Figshare do have the following limits on all accounts:
- max no of collections: 100
- max no of projects: 100
- max no of items: 500
- max no of files per item: 500
- max no of collaborators on project: 100
- max no of authors per item, collection: 100
- max no of item version: 50
Figshare can manually modify these limits - please get in touch via a support ticket if you need assistance.
For those using an institutional version of figshare the number of collaboration spaces will be determined by your institution.