Before diving into specific resources, here is a short list of the kinds of resources you can typically find related to Nonprofit Management.
State and Local Nonprofit Associations
State and Local Nonprofit Networks and Partnerships
Chambers of Commerce
Small Business Development Centers (SBDC)
Management Consultants
Executive/Leadership Couches
Financial Management Software, Programs, and Databases
Virtual Staff: CFOs, COOs, Assistants
Accounting Services
Online and In-Person Workshops & Trainings
Community College Certificate & Continuing Education Programs
University Degree Programs
Local Library Programs
Blogs, Podcasts, Books, Periodicals