This is a screenshot of Odoo 16 after clicking "Apps":

As you can see, there are 84 Apps in Odoo 16.  

All of these would be available to you:

• Appraisals
• Approvals
• Attendances
• Calendar
• Employee Contracts
• Contacts, CRM
• Data Cleaning
• Delivery - bpost, DHL, Eastpost, FedEx, Sendcloud, USPS, UPS
• Discuss
• Documents
• eLearning
• Email Marketing - SMS Marketing
• Employees, Skills Management
• Events
• Expenses
• Field Service
• Fleet
• Helpdesk
• IOT
• Inventory, Barcode, Repairs
• Invoicing, Accounting, Consolidation
• 14 Payment Providers
• Knowledge
• Live Chat
• Lunch
• Maintenance
• Manufacturing
• Marketing Automation
• Notes
• Online Appointments
• Payroll
• Planning
• Point of Sale
• PLM
• Project
• Purchase
• Quality
• Recruitment
• Referrals
• Sales, Amazon, eBay, Rental
• Sign
• Social Marketing
• Studio
• Subscriptions
• Surveys
• Time Off
• Timesheets
• VOIP
• Website, Blogs, eCommerce, Forum, Online Jobs