BookStack is a simple, self-hosted, easy-to-use platform for organising and storing information.

ownCloud is a free and open source file hosting service. It also supports extensions for online document editing, calendar and contact synchronization. It's a safe home for all your data.

"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)

Monica is an open-source web application to organize the interactions with your loved ones. We call it a PRM, or Personal Relationship Management. Think of it as a CRM for your friends or family.

Minio is an object storage server released under Apache License v2.0. It is compatible with Amazon S3 cloud storage service. It is best suited for storing unstructured data such as photos, videos, log files, backups and container / VM images.