Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.
Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
Try Auth0 for Free
Go From AI Idea to AI App Fast
One platform to build, fine-tune, and deploy ML models. No MLOps team required.
Access Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.
Here is PHP/MySQL/HTML code that is a sample Entry Level Billing APP. It is Free, and mostly for learning purposes. You can install on a Windows or linux server, and look at the PHP code files on your PC.
LinxBooks – Have faith and carry on.
Overview
LinxBook is a simple and easy-to-use business accounting application. Linxbooks includes basic features that help the businesses create invoices, quotations, manage payments, payrolls, contracts and expenses
Download at GitHub: https://github.com/LinxHQ/linxbooks
Demo is at: http://linxbooks.com/demo (user: admin, password: admin123)
...We provide pay-per-use hosted invoicing solution, that is quick and easy for you to generate quotations and invoices. We're looking at improving it further, to deliver added values, other than basic features that has already offered. Visit us at http://L-invoice.com for more details.
Have fun with L-invoice, your quick and easy invoicing solution.