Project banners:

• ((WikiProject Systems)) - add to article talk pages
• ((subst:Invite User SYS)) - add to editor's talk pages to invite them to join the project

Stub template:

• ((Systemstheory-stub)) - add to stub articles in the field of systems and systems theories

Userboxes:

• ((Wikipedia:WikiProject Systems/Member userbox)) - for members of this WikiProject

The WikiProject Systems Member userbox looks like this:

This user is a member of WikiProject Systems.