| @temporalio/worker | Runs Workflows and Activities |
| @temporalio/workflow | Workflow runtime library |
| @temporalio/activity | Get current Activity's context |
| @temporalio/nexus | Implement and invoke Nexus Operations |
| @temporalio/client | Send commands to Temporal Server |
| @temporalio/common | Common library for code that's used across the Client, Worker, and/or Workflow |
| @temporalio/proto | Compiled protobuf definitions |
| @temporalio/testing | Test framework |
| @temporalio/interceptors-opentelemetry | Interceptors that add OpenTelemetry tracing |