"Firefly III" is a (self-hosted) manager for your personal finances. It can help you keep track of your expenses and income, so you can spend less and save more. Firefly III supports the use of budgets, categories and tags. It can import data from external sources and it has many neat financial reports available. (Taken from the README)

Nextcloud is an open source, self-hosted file share and communication platform. Access and sync your files, contacts, calendars and communicate and collaborate across your devices.

Access your computer from anywhere using Remotely.