Portfolio Performance is described as 'Open source program that calculates the performance of an overall portfolio - across multiple accounts and accounts - using true-time weighted rate of return and internal rate of return' and is a personal finance tool in the business & commerce category. There are more than 10 alternatives to Portfolio Performance for a variety of platforms, including Mac, Windows, Linux, Web-based and Android apps. The best Portfolio Performance alternative is Wealthfolio, which is both free and Open Source. Other great apps like Portfolio Performance are FINARKY, Ghostfolio, JStock and Capitally.