FileThis - All-new, award-winning, bill and account organizer app
Grammarly - Clear, effective, mistake-free writing everywhere you type.
GnuCash - A personal and small-business financial-accounting software, licensed under GNU/GPL and available for Linux, Windows, Mac OS X, BSD, and Solaris.
LanguageTool - Free proofreading tool for OpenOffice, LibreOffice, Firefox, and Chrome.
Mint - Free personal finance software to assist you to manage your money, financial planning, and budget planning tools. Achieve your financial goals with Mint.
Editsaurus - Highlights potential pitfalls in your writing to encourage good habits.