A collection of popular websites that offer resources and tools for financial planning and management:

1. Personal Capital: Provides tools for tracking and managing your investments, budgeting, and retirement planning. https://www.personalcapital.com/
2. Mint: Offers budgeting and expense tracking tools to help you manage your finances and set financial goals. https://www.mint.com/
3. NerdWallet: Offers a wide range of financial advice, including credit card reviews, mortgage calculators, and budgeting tips.  https://www.nerdwallet.com/
4. Investopedia: Offers educational articles, tutorials, and guides on various financial topics, from investing to personal finance.  https://www.investopedia.com/
5. The Motley Fool: Provides investment advice, stock market analysis, and resources for beginners and experienced investors.  https://www.fool.com/
6. Morningstar: Offers in-depth analysis of mutual funds, stocks, and other investment vehicles. https://www.morningstar.com/
7. Kiplinger: Provides personal finance advice, investing tips, and retirement planning resources. https://www.kiplinger.com/
8. SmartAsset: Offers tools like financial calculators and provides personalized recommendations for various financial goals.   https://smartasset.com/
9. Bankrate: Offers calculators for mortgages, savings, and other financial decisions, along with news and advice.   https://www.bankrate.com/
10. CNN Money: Provides news, market data, and personal finance advice.  https://money.cnn.com/
11. Bogleheads: A community of investors who follow the principles of John Bogle, founder of Vanguard, offering advice and resources.   https://www.bogleheads.org/
12. WiseBanyan: Offers free robo-advisory services for investing and financial planning.   https://wisebanyan.com/
13. Dave Ramsey: Provides resources for budgeting, getting out of debt, and building wealth.  https://www.daveramsey.com/
14. Clark Howard: Offers advice on frugal living, personal finance, and consumer tips.  https://clark.com/
15. MyMoney.gov: A U.S. government website providing resources for financial education and planning.  https://www.mymoney.gov/

Remember to explore these websites carefully and choose the ones that align with your financial goals and needs. Always prioritize the security of your personal information when using online financial tools.