ZoneTree

Benchmarks show it inserts 100 million integer key-value pairs in 20 seconds with WAL mode NONE, outperforming RocksDB and SQLite significantly.

Supports optimistic transactions with fluent, classical, and exceptionless models, ensuring full ACID compliance for data integrity.

Operates seamlessly in-memory or on local/cloud storage, with four WAL modes to balance durability and performance.

Pure C# implementation with no external dependencies, making it simple to integrate into .NET applications without separate database products.