1. Spreadsheets: Simple tools like Excel or Google Sheets can be very effective for budgeting, especially for startups. 2. Budgeting Software: Tools like QuickBooks, Mint, and YNAB (You Need A Budget) offer advanced features like expense tracking and financial reporting. 3. Financial Advisors: Sometimes, the best tool is an expert. Hiring a financial advisor can provide you with insights and strategies that you might not have considered.