FlashStore is a high-performance Key-Value Persistent Local Database using ES6 Map's API (Async & Sync), Powered by LevelDB/RocksDB/SQLite and TypeScript.
Medea is a persistent key-value storage library that runs everywhere Node runs.
"It is a pure JS implementation of leveldown and it's almost as fast."
— @Raynos link
"The LevelDOWN-compatible wrapper for Medea really opens up the possibility to reuse the modules that have already been created around the LevelUP ecosystem."
— @kevinswiber link
Medea is a persistent key-value storage library that runs everywhere Node runs.