Best Tomcat JDBC Connection Pool Alternatives in 2026
The top Tomcat JDBC Connection Pool alternatives are MariaDB MaxScale, Odyssey and PgBouncer: 15 database connection pooling software our editors would look at instead of Tomcat JDBC Connection Pool, in our ranking order.
Tomcat JDBC Connection Pool: A configurable JDBC pool with asynchronous acquisition, JMX monitoring and XA support. Where it falls short: uses JDBC drivers rather than providing database connectivity itself.
Switching from Tomcat JDBC Connection Pool? For most database connection pooling software buyers the best Tomcat JDBC Connection Pool alternative is MariaDB MaxScale, built for enterprise MariaDB/MySQL connection routing and pooling. Odyssey has a free plan. Npgsql offers the most connection limit (100 connections).
Why People Look for a Tomcat JDBC Connection Pool Alternative
- Uses JDBC drivers rather than providing database connectivity itself
- Deployment is self-hosted, as a Tomcat resource or standalone data source
- Pools JDBC connections rather than providing separate transaction pooling
- No transaction pooling — 2 of the alternatives below have it
Quick Picks by What You Need
- Best overallMariaDB MaxScale9.3
Enterprise MariaDB/MySQL connection routing and pooling
Visit MariaDB MaxScale - Best free optionOdyssey9.1
Has a free plan
Visit Odyssey - Most connection limitNpgsql7.4
100 connections
Visit Npgsql - Best for transaction poolingOdyssey9.1
Transaction pooling (Tomcat JDBC Connection Pool: no)
Visit Odyssey
All 15 Tomcat JDBC Connection Pool Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forEnterprise MariaDB/MySQL connection routing and pooling
- Better than Tomcat JDBC Connection Pool:
- Editor score 9.3 vs 8.5
SQL-aware pooling and routing for MariaDB and MySQL-compatible production environments.
9.3/10★★★★★Visit MariaDB -
Best forPostgreSQL transaction and session pooling
- Better than Tomcat JDBC Connection Pool:
- Transaction pooling
- Editor score 9.1 vs 8.5
A focused, open-source pooler for PostgreSQL session and transaction workloads.
- Transaction pooling
9.1/10★★★★★Visit Odyssey -
Best forMature PostgreSQL pooling deployments
- Better than Tomcat JDBC Connection Pool:
- Editor score 8.9 vs 8.5
A self-hosted PostgreSQL pooler with flexible modes and connection controls, but no built-in failover.
8.9/10★★★★☆Visit PgBouncer -
Best forJava applications needing free embedded JDBC pooling
- Better than Tomcat JDBC Connection Pool:
- Editor score 8.7 vs 8.5
An embeddable, open-source JDBC pool with configurable capacity, validation and cleanup.
8.7/10★★★★☆Visit Apache DBCP -
Best forReactive apps connecting to supported SQL databases
A free, self-hosted Java client library for reactive SQL access and application-level pooling.
8.4/10★★★★☆Visit Eclipse Vert.x -
Best forPostgreSQL apps needing sync and async pools
An open-source Python pool with synchronous and asynchronous PostgreSQL support.
8.3/10★★★★☆Visit Psycopg Pool -
Best forSQL Server and Azure SQL applications
A free embedded .NET driver with default client-side pooling for SQL Server and Azure SQL.
8.2/10★★★★☆Visit Microsoft -
Best forPython teams wanting pooling with ORM and SQL tools
A broad Python database toolkit that includes pooling, transactions, SQL construction, and ORM.
8.0/10★★★★☆Visit SQLAlchemy -
Best forEmbedded database deployments with connection modes
A flexible Java database with multiple connection modes, but not a dedicated connection pooler.
7.9/10★★★★☆Visit H2 Database -
Best forJVM applications needing high-performance JDBC pooling
Free, configurable JDBC pooling for Java applications running in your own environment.
7.9/10★★★★☆Visit HikariCP -
Best forPostgreSQL pooling with HA and read balancing
A self-hosted PostgreSQL traffic layer with pooling, read balancing and failover.
7.8/10★★★★☆Visit Pgpool-II -
Best forMySQL/PostgreSQL pooling with query control
An open-source, self-hosted proxy for pooling and controlling MySQL and PostgreSQL traffic.
7.7/10★★★★☆Visit ProxySQL -
Best forPostgreSQL pooling with sharding and failover
A PostgreSQL proxy for pooling connections, routing queries, and managing replicas and shards.
7.6/10★★★★☆Visit PgDog -
Best forPostgreSQL pooling with routing and replicas
- Better than Tomcat JDBC Connection Pool:
- Transaction pooling
A self-hosted PostgreSQL pooler with routing, replica balancing, and failover.
- Transaction pooling
7.5/10★★★★☆Visit PgCat -
Best forPostgreSQL .NET applications
A PostgreSQL-focused .NET driver that pools connections inside each application.
7.4/10★★★★☆Visit Npgsql
Tomcat JDBC Connection Pool Alternatives: Common Questions
What is the best alternative to Tomcat JDBC Connection Pool?
MariaDB MaxScale: #1 in our Database Connection Pooling Software ranking, with an editor score of 9.3 out of 10. SQL-aware pooling and routing for MariaDB and MySQL-compatible production environments.
Is there a free alternative to Tomcat JDBC Connection Pool?
Yes. Odyssey, PgBouncer, Apache Commons DBCP, Vert.x Reactive SQL Clients and Psycopg Pool have a free plan or a free tier (14 of the 15 alternatives on this page).
Why do people look for Tomcat JDBC Connection Pool alternatives?
Uses JDBC drivers rather than providing database connectivity itself; Deployment is self-hosted, as a Tomcat resource or standalone data source; Pools JDBC connections rather than providing separate transaction pooling.
Which Tomcat JDBC Connection Pool alternative has the most connection limit?
Npgsql, with 100 connections.
How do I switch from Tomcat JDBC Connection Pool?
Export your data from Tomcat JDBC Connection Pool (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Tomcat JDBC Connection Pool.
How to Switch from Tomcat JDBC Connection Pool
- Export your data from Tomcat JDBC Connection Pool (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Tomcat JDBC Connection Pool.
Tomcat JDBC Connection Pool vs Each Alternative
| # | Tool | Free plan | Paid from | Transaction pooling | Deployment model | Supported databases | Score |
|---|---|---|---|---|---|---|---|
| 5 | Tomcat JDBC Connection Pool | Yes | Free | No | Both | 8.5 | |
| 1 | MariaDB MaxScale | No | Both | MariaDB Server, MySQL-compatible servers, ColumnStore, Enterprise Cluster, MongoDB protocol | 9.3 | ||
| 2 | Odyssey | Yes | Free | Yes | Standalone | PostgreSQL, Apache Cloudberry | 9.1 |
| 3 | PgBouncer | Yes | Free | PostgreSQL | 8.9 | ||
| 4 | Apache Commons DBCP | Yes | Free | No | Embedded | JDBC-compatible databases | 8.7 |
| 5 | Vert.x Reactive SQL Clients | Yes | Free | No | Embedded | PostgreSQL, MySQL, MariaDB, IBM DB2, Microsoft SQL Server | 8.4 |
| 6 | Psycopg Pool | Yes | Free | No | Embedded | PostgreSQL | 8.3 |
| 7 | Microsoft.Data.SqlClient | Yes | Free | No | Embedded | SQL Server; Azure SQL | 8.2 |
| 8 | SQLAlchemy | Yes | Free | 8.0 | |||
| 9 | H2 Database Engine | Yes | Free | Both | 7.9 | ||
| 10 | HikariCP | Yes | Free | No | Embedded | Apache Derby, Firebird, Google Spanner, H2, HSQLDB, IBM DB2, IBM Informix, Microsoft SQL Server, MariaDB, Oracle, OrientDB, PostgreSQL, SAP MaxDB, SQLite, Sybase | 7.9 |
| 11 | Pgpool-II | Yes | Free | PostgreSQL | 7.8 | ||
| 12 | ProxySQL | Yes | Free | MySQL protocol, PostgreSQL protocol, MySQL, PostgreSQL, MariaDB, Percona Server for MySQL, ClickHouse | 7.7 | ||
| 13 | PgDog | Yes | Free | Both | PostgreSQL | 7.6 | |
| 14 | PgCat | Yes | Free | Yes | Standalone | PostgreSQL | 7.5 |
| 15 | Npgsql | Yes | Free | No | Embedded | PostgreSQL | 7.4 |
Head-to-Head
- Tomcat JDBC Connection Pool vs MariaDB MaxScale
- Tomcat JDBC Connection Pool vs Odyssey
- Tomcat JDBC Connection Pool vs PgBouncer
- Tomcat JDBC Connection Pool vs Apache Commons DBCP
- Tomcat JDBC Connection Pool vs Vert.x Reactive SQL Clients
- Tomcat JDBC Connection Pool vs Psycopg Pool
Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026
Last updated · How we research and update