Best Self-Hosted Amazon Neptune Alternatives in 2026
Amazon Neptune is a managed graph database service for building applications with highly connected datasets.
9 Self-Hosted Alternatives to Amazon Neptune
Dgraph
22KDgraph offers AI-powered search, high performance, scalability as a self-hosted databases & data tools.
Neon Postgres
21KServerless Postgres with auto-scaling, instant database branching, and bottomless storage.
Neo4j
16KConnect data as it's stored with Neo4j. Perform powerful, complex queries at scale and speed with our graph data platform
ArangoDB
14KArangoDB lets you run arangoDB: versatile multi-model database supporting documents entirely on your own server.
OceanBase
10KOceanBase is a self-hosted web analytics replacement for AWS Aurora, Amazon Neptune, and more.
Memgraph
3.8KMemgraph handles scalable, in-memory graph database solution offering high-performance computing and Neo4j as a self-hosted solution.
TerminusDb
3.2KTerminusDb handles enhance AI models with your data as a self-hosted solution.
Hydra
3KHydra is a self-hosted media & streaming tool with support for postgresql, postgres, data warehouse.
Pixlie
48Pixlie is a self-hosted AI & machine learning replacement for Amazon Neptune, Perplexity, and more.
Why Look for Amazon Neptune Alternatives?
Amazon Neptune is a managed graph database service for building applications with highly connected datasets.
Self-hosted alternatives give you full data ownership, predictable costs, and zero vendor lock-in. You run the software on your own infrastructure and control everything.
9 Best Open-Source Alternatives to Amazon Neptune
Neon Postgres
Cloud-native, auto-scaling Postgres with instant branching, bottomless storage, and pay-per-use pricing — 21,211 GitHub stars. Licensed under Apache-2.0.
Read full Neon Postgres review
OceanBase
Scalable, high-availability database system supporting OLTP, OLAP, and hybrid transactional/analytical processing workloads. — 10,014 GitHub stars. Licensed under Open Source.
Memgraph
Open-source graph database for real-time analytics. — 3,794 GitHub stars. Licensed under Open Source.
Hydra
Hydra embeds DuckDB’s state-of-the-art analytics engine into standard Postgres, offering millisecond response times for complex queries. — 3,018 GitHub stars. Licensed under Apache-2.0.
Pixlie
Integrate graph AI into your products to extract valuable insights and reduce costs from your data. — 48 GitHub stars. Licensed under GPL-3.0.
Dgraph
Add AI-powered search to your graph. — 21,647 GitHub stars. Licensed under Apache-2.0.
Neo4j
Neo4j: Advanced graph database solutions. — 16,070 GitHub stars. Licensed under GPL-3.0.
ArangoDB
ArangoDB: versatile multi-model database supporting documents, graphs, key-values with SQL-like query language. — 14,108 GitHub stars. Licensed under NOASSERTION.
TerminusDb
Enhance AI models with your data. — 3,221 GitHub stars. Licensed under Apache-2.0.
Why Self-Host Instead of Amazon Neptune?
- Data ownership. Your data stays on your server, not on Amazon Neptune’s infrastructure.
- Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- No vendor lock-in. Export and migrate your data anytime. You control the database.
- GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
Why teams switch from Amazon Neptune
- → Data ownership. Your data stays on your server -- not on Amazon Neptune's infrastructure.
- → Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- → No vendor lock-in. Export and migrate your data anytime. You control the database.
- → GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
Head-to-Head Comparisons
Both are database tools. Dgraph has 3 unique features, Jina.ai has 2.
Both are database tools. Dgraph has 1 unique feature, Encore has 3.
Both are database tools. Dgraph has 3 unique features, Jina has 2.
Both are database tools. Dgraph has 2 unique features, Nhost has 2.
Both are database tools. Dgraph has 2 unique features, SeMI's Weaviate has 2.
Both are database tools. Dgraph has 4 unique features, Supabase has 3.
Both are database tools. Dgraph has 2 unique features, Weaviate has 2.
Both are database tools. Dgraph has 3 unique features, TDengine has 2.
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