hledger is described as 'lightweight accounting program for tracking money, time, or other commodities, on unix, mac and windows' and is a Budget Manager in the category. There are more than 100 alternatives to hledger for a variety of platforms, including Windows, Online / Web-based, Android, Mac and iPhone. The best alternative is GnuCash, which is both free and Open Source. Other great apps like hledger are HomeBank (Free, Open Source), You Need A Budget (Paid), Mint.com (Freemium) and Firefly III (Free, Open Source).
Money Manager Ex is a free, open-source, cross-platform, easy-to-use personal finance software. It primarily helps organize one's finances and keeps track of where, when and how the money goes. It is also a great tool to get a bird's eye view of your financial worth.
MoneyWallet is an Android application that let you track your expenses. You can organize your data using custom categories, events, places and people tags. The best alternative to others apps, free and open source.
KMyMoney is a cross-platform personal finance manager built on KDE frameworks technologies for your desktop and notebook environment. It enables users to keep careful track of their personal finances by providing a broad array of financial features and tools.