LocalCloud and Google-maintained emulators

Use this explanation to choose a local-development runtime. It does not maintain a count or capability matrix for external vendor emulators because those claims were not revalidated during this documentation remediation.

Decision model

Choose a Google-maintained emulator when:

• it covers the one service and operation you need;
• following Google’s release and compatibility model is more important than a shared multi-service runtime; and
• you do not need LocalCloud’s common health, environment export, seed, console, or cross-service operator surface.

Consider LocalCloud when:

• an allowed personal evaluation needs several GCP-shaped local service surfaces in one runtime;
• you need one service catalog with explicit operation-level evidence;
• the host CLI’s generated endpoints and common operator routes simplify the local workflow; and
• you accept that every service is partial, release-unverified, or otherwise bounded rather than production-equivalent.

LocalCloud contract summary

Service	Support level	Implementation	Local boundary
Cloud Storage	verified	third-party-emulator	Bucket and object lifecycle workflows for local SDK and API development.
Pub/Sub	partial	google-official	Topic, subscription, publish, pull, and acknowledgement workflows.
Firestore	partial	google-official	Document CRUD and query workflows through the local Firestore emulator. Enable it explicitly before use.
Bigtable	verified	custom-emulator	Wide-column data, administration, persistence, and query workflows.
Spanner	partial	extended-official	Spanner data and administration workflows over gRPC and REST.
BigQuery	partial	custom-emulator	Dataset, table, query, scripting, and API workflows.
Google Sheets	partial	local-facade	Read-only stored spreadsheet values selected by exact A1 range and project scope.
Secret Manager	partial	local-facade	Secret and version lifecycle workflows for local development.
Cloud Tasks	partial	local-facade	Queue and task lifecycle workflows.
Cloud Scheduler	partial	local-facade	Schedule and job lifecycle workflows.
Cloud Functions (2nd Gen)	partial	local-facade	Second-generation function control-plane workflows.
AlloyDB	partial	local-facade	AlloyDB cluster and instance control-plane workflows.
Dataproc	partial	local-facade	Cluster and job workflows with optional local runtime execution.
Cloud IAM	partial	local-facade	IAM policy API workflows for local development.
Cloud Resource Manager	verified	local-facade	Project lifecycle workflows for local development.
Service Usage	partial	local-facade	Service enablement and metadata workflows.
Cloud Billing	partial	local-facade	Billing-account, budget, and cost metadata workflows.
Cloud Logging	partial	local-facade	Log ingestion, listing, metrics, and sink workflows.
Cloud Monitoring	partial	local-facade	Time-series, metric-descriptor, alerting, and dashboard workflows.
GKE	partial	local-facade	Pro cluster workflows with opt-in k3d runtime integration.
Compute Engine	partial	local-facade	Pro instance lifecycle and control-plane workflows.
Cloud Run	partial	local-facade	Pro service and revision workflows with host-runtime integration.
Memorystore (Redis/Valkey)	partial	third-party-emulator	Valkey-backed RESP data workflows.
Cloud Workflows	partial	local-facade	Workflow deployment and execution workflows.
Vertex AI	partial	local-facade	Pro generative AI and embedding API workflows.
Cloud KMS	partial	local-facade	Pro key-management and cryptographic workflows.
Cloud SQL	partial	local-facade	Local control-plane and MySQL data-plane workflows.

A service listing does not imply default startup, full parity, or legal permission. Review the service detail, compatibility matrix, and licensing reference.

LocalCloud setup

curl -fsSL https://local.cloud/install.sh | sh
localcloud doctor
localcloud start
eval "$(localcloud env)"
localcloud console

The CLI binds to loopback and can remap occupied canonical ports. Trust the generated environment values.

Production and legal boundary

Neither LocalCloud nor a passing emulator test establishes production IAM, quotas, regional behavior, performance, recovery, managed integrations, or operational fidelity. Validate authorized release behavior against real Google Cloud.

The proprietary LocalCloud Public Preview License permits individuals and organizations, including for-profit companies, to use LocalCloud free of charge for internal development, testing, CI, evaluation, and pilots. Customer-facing production use remains excluded. Technical examples are not a license grant.