Heimdall Database Proxy

Freemium#1 of 31 in Database Proxy Software

Heimdall Database Proxy: A broad database proxy with pooling, routing, analytics, security, and failover. Ranked #1 of 31 in Database Proxy Software by our editors (9.4/10); pricing: Free plan; best for broad, enterprise-grade database proxying.

9.4/10Editor score

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Heimdall Database Proxy9.4 Visit Heimdall Data

At a glance

Editor score
9.4 / 10
Pricing
Free plan
Best for
Broad, enterprise-grade database proxying
Free plan
Yes
Deployment model
Both
Facts checked
20 Sep 2026

Where it wins
- Supports pooling, routing, load balancing, caching, and failover
- Works with major relational databases and cloud platforms
- Enterprise Plus adds multi-tenant routing, masking, and GDPR auditing
Where it doesn't
- Enterprise features require paid editions
- Community Edition is specifically for Greenplum deployments
- Its broad feature set may exceed narrow proxying needs

Our verdict on Heimdall Database Proxy

Heimdall Database Proxy is a data access layer for application developers, database administrators, and architects. It sits between applications and SQL databases in cloud or on-premise environments, providing connection pooling, multiplexing, SQL-aware routing, read/write splitting, load balancing, caching, analytics, security controls, and automated failover. Heimdall supports MySQL, PostgreSQL, Amazon RDS, Oracle, SQL Server, MariaDB, DB2, Greenplum, and Redshift, and is designed to operate without application code changes.

The published plans show a freemium structure. Community Edition includes connection pooling with multiplexing, LDAP group and role synchronization, SQL performance analytics, and database metadata filtering; it is specifically for Greenplum deployments. Standard Edition adds a single proxy VM, query caching, read/write splitting, and connection pooling. Enterprise Edition builds on Standard with distributed auto-scaling proxies and enterprise-level support. Enterprise Plus adds multi-tenant routing for SaaS platforms, database PAM auditing, data masking, and GDPR auditing. Paid purchases are handled through direct licensing or cloud marketplaces.

Platform fit is a central strength. Integrations include AWS RDS, Amazon Aurora, Amazon ElastiCache, Azure, Google Cloud, Google Cloud SQL, AlloyDB, Oracle Cloud, Redis, and SailPoint. The proxy also includes SQL result caching with configurable backends, replication-lag detection, persistent automated failover, LDAP or Active Directory authentication and authorization, and SQL firewall and injection-anomaly detection. Heimdall Database Proxy suits organizations that need one layer for database traffic management across varied environments, especially where routing, resilience, analytics, and governance matter together. Teams seeking only a focused connection pooler or a narrowly scoped database proxy may find its edition structure and wider capabilities more than they need.

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Heimdall Database Proxy pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 20 Sep 2026.

See plans on heimdalldata.com

All 4 Heimdall Database Proxy plans and prices →

Heimdall Database Proxy fact sheet

Free plan	Yes
Paid from	Not verified
Deployment model	Both
Connection pooling	Yes
Query routing	Yes
Load balancing	Yes
Automatic failover	Yes
Supported databases	MySQL, PostgreSQL, Amazon RDS, Oracle, SQL Server, MariaDB, DB2, Greenplum, Redshift
Maximum connections	Not verified
Deployment	Cloud, Self-hosted
Built for	Small business, Mid-market, Enterprise (editorial estimate)
Integrations	10 integrations: AWS RDS, Amazon Aurora, Amazon ElastiCache, Azure, Google Cloud, Google Cloud SQL … See all →
Pricing	Free plan (source)
Website	heimdalldata.com
Facts checked	20 Sep 2026

Heimdall Database Proxy integrations

Heimdall Database Proxy lists 10 integrations on its own site.

AWS RDS
Amazon Aurora
Amazon ElastiCache
Azure
Google Cloud
Google Cloud SQL
AlloyDB
Oracle Cloud
Redis
SailPoint

See all Heimdall Database Proxy integrations →

Alternatives to Heimdall Database Proxy

See all Heimdall Database Proxy alternatives →

Heimdall Database Proxy vs the competition

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update