Player Banks

What does it do?
In short, it allows players to lend out money to other players and earn money in the process.
You can read more about the plugin on the github WIKI.

Some important highlights:

• You can change every text that is displayed to your players (language support).
• It has anti-abuse features.
• The interest and autopay is added everyday IRL (default 5 in the morning).
• Blacklist features for bank names.
• Cleanup tasks to remove old records (optional)
• A bank owner can assign a manager with limited authority to manage the bank.
• Many settings can be configured to your liking.
• Pluss many more features.

Source
Feel free to add pull-requests.
https://github.com/erik1988/playerbanks