ImmortalDB – A resilient key-value store for the browser

Data saved to ImmortalDB is redundantly stored in Cookies, IndexedDB, LocalStorage, and SessionStorage, and relentlessly self heals if any data therein is deleted or corrupted. In this way, ImmortalDB is like Evercookie, but

When you store a key-value pair in ImmortalDB, that key and value are saved redundantly in the browser’s cookies, IndexedDB, LocalStorage, and SessionStorage data stores. When a value is retrieved via its key, ImmortalDB

Then ImmortalDB self-heals: if any data store(s) returned a value different than the determined correct value, or no value at all, the correct value is rewritten to that store.

Source: github.com