mongodb-topology-manager

API for programmatically managing local MongoDB instances, replicasets, and sharded clusters. v2.1.0 (current stable) last updated 2018, low maintenance. Supports Node >=4. Provides programmatic control over mongod/mongos processes, discovery, startup, stop, purge, and replica set reconfiguration. Differentiator: offers a higher-level abstraction than shell scripts or manual process management. Highly niche; mostly used in test harnesses before mongodb-memory-server.