For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.
Parley — a transport-agnostic MCP seam for messages, context sharing, and task hand-off between humans, chat bots, and coding agents. Runs on local SQLite, Redis, Matrix, XMPP, or NATS.
C++ Partitioned Message Queue backed by PostgreSQL, with Go, Node, Python, PHP, C++, plain HTTP clients. Support consumer group, replay, transactional pop+ack, failover to disk
Cost-effective Job Queue with Pub/Sub. Embeddable in Go applications, or runnable as a standalone HTTP service. Supports SQLite, Turso, and PostgreSQL.