BOINC provides tools for creating and operating projects:

boinc/tools/	make_project	Creates a new project.
boinc/sched/	start, stop, status	BOINC start / Super Cron program
boinc/tools/	add	Adds objects to the database.
boinc/tools/	update_versions	Adds core and application versions to the database.
boinc/tools/	upgrade	Upgrades an existing installation

Projects can create their own tools using the Python API (see Python framework) or the C++ API (db/db.h)