Money Manager Ex is an easy to use, money management application built with wxWidgets
MoneyManagerEx - standalone budgeting application
Firefly III: a personal finances manager
Firefly III - self-hosted budget website
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A local-first personal finance app
Actual - self-hosted server with desktop app. Used to have mobile apps when this was a company, but not sure those work now.
Buckets Desktop Application (by buckets)
I'll vouch for Buckets. Though I've never actually used YNAB, but I use the YNAB rules and Buckets can do that just fine.
Software for personal finance management.
6 projects | /r/selfhosted | 21 Apr 2022
Self-hosted/FOSS personal finance management
4 projects | /r/selfhosted | 24 Jan 2022
Abacus, A mobile application for self hosted app: Firefly III.
1 project | /r/reactnative | 14 Jun 2023
Windows Software for Logging Expenses/Income
1 project | /r/eupersonalfinance | 31 May 2023
1 project | /r/BEFire | 10 May 2023