LaminarDB – Streaming SQL database in Rust, zero-alloc hot path
Sub-microsecond streaming SQL via zero-alloc hot path; genuine advancement over SQLite+DataFusion.

Streaming SQL engine demo locked behind subscribe wall in crowded category.
Data engineers, analysts
Materialize · RisingWave · ksqlDB
Sub-microsecond streaming SQL via zero-alloc hot path; genuine advancement over SQLite+DataFusion.
SQL queries on CSV streams—instant, zero-setup alternative to awk and sqlite3 boilerplate.
S3-native storage slashes Kafka costs from thousands to $23 per TB monthly.
TPC-H 1GB in 2 seconds on iPhone—Arrow Flight SQL running locally.
Query-as-pipeline is neat, but Fivetran and Airbyte already own this space.
Browser-streamed iOS simulators let AI agents use existing browser tools instead of osascript.