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Memgraph vs SpiceDB

Open-source fine-grained permissions system, not a graph database engine.
MemgraphOpen-Source, High-Performance, In-Memory: Memgraph is Redefining Graph Databases!SpiceDBOpen Source, Google Zanzibar-inspired, fine-grained permissions management. https://play.authzed.com/schema

Side by side

What it is
Memgraph:Memgraph is an open-source, in-memory graph database for real-time analytics and AI workloads.
SpiceDB:SpiceDB is an open-source, Google Zanzibar-inspired database for fine-grained permissions at scale.
Best for
Memgraph:Real-time in-memory graph analytics
SpiceDB:Zanzibar-style permission databases
Who it’s for
Memgraph:Developers, data scientists and teams needing fast graph queries and AI-driven reasoning.
SpiceDB:Developers building authorization services for cloud-native applications.
Pricing
Memgraph:Freemium
SpiceDB:Freemium
Plans
Memgraph:Community Edition Free
SpiceDB:Open Source Free
Open source
Memgraph:Yes, 4,581 GitHub stars
SpiceDB:Yes, 7,099 GitHub stars
Works with
Memgraph:Cypher, Python client libraries, LangChain, LlamaIndex, Kafka, Pulsar, Redpanda
SpiceDB:Go, Java, NodeJS, Python, Ruby, Kubernetes, Prometheus, OpenTelemetry
DevHunt upvotes
Memgraph:24
SpiceDB:27
Launched on DevHunt
Memgraph:Jan 2023
SpiceDB:Jan 2024

Memgraph features

  • In-memory engine. Sub-millisecond graph traversals with 1,000+ tx/sec reads & writes.
  • Cypher query language. Supports Neo4j-compatible Cypher for familiar graph queries.
  • Vector search & AI platform. Unlimited vector indexes and built-in AI tooling for GraphRAG and memory.
  • High-availability replication. ACID-compliant persistence with automatic failover and no-downtime updates.
  • Stream connectors. Integrates with Kafka, Pulsar and Redpanda for real-time data ingestion.
  • MAGE algorithm library. Includes PageRank, community detection, shortest-path and more out of the box.
Memgraph on DevHunt →Alternatives

SpiceDB features

  • Expressive APIs. gRPC and HTTP/JSON endpoints for authorization logic.
  • Distributed Graph Engine. Parallel graph processing faithful to the Zanzibar architecture.
  • Pluggable Storage. Supports in-memory, Spanner, CockroachDB, PostgreSQL and MySQL backends.
  • Configuration Language. SpiceDB Schema lets you define relationships, permissions and caveats.
  • Deep Observability. Prometheus metrics, pprof profiles, structured logging and OpenTelemetry tracing.
  • Kubernetes Operator. Manage, scale and upgrade SpiceDB clusters with a single resource.
  • zed CLI. Command-line tool for schema validation, permission checks and context switching.
  • Official Client Libraries. Go, Java, NodeJS, Python and Ruby SDKs for easy integration.
SpiceDB on DevHunt →Alternatives

Based on each tool's website and DevHunt data. Details may change; check the official sites.