This post is maintained by Bytebase, an open-source database governance platform. We update the post every year.
This is a series articles about SQL Clients / SQL Editors:
- Open Source SQL Clients (this one)
- Text-to-SQL Query Tools
The best free, open-source SQL clients and database management software in 2026 are DBeaver, Beekeeper Studio, DbGate, HeidiSQL, and Bytebase. DBeaver is the most versatile: its free Community Edition speaks over 100 relational engines through JDBC. Beekeeper Studio and DbGate offer the cleanest cross-platform experience, and both reach past SQL for free — Beekeeper Studio's free tier includes Redis, DbGate's adds MongoDB on top of it. HeidiSQL is the long-standing tool for MySQL and MariaDB. Bytebase is a server-side tool that adds team access control, audit logging, and data masking on top of the SQL editor. All of them are free database software with no license fee: DBeaver, Beekeeper Studio, and DbGate run on Mac, Windows, and Linux, HeidiSQL is Windows-first (Linux via Wine), and Bytebase runs in the browser.
This list is multi-database by design. The single-engine tools that a "free database management software" search usually turns up — pgAdmin for Postgres, MySQL Workbench and phpMyAdmin for MySQL — are free and open source too, but each one ties you to a single engine, and none of them add a team layer: no shared credential store, no request-and-approval step, no audit trail. They are covered where they belong, in Top Postgres GUI Clients and Top MySQL GUI Clients.
When database systems debuted about 40 years ago, the only way to access or modify a database was through the command line, which was not only unintuitive but also prone to errors that could lead to major problems. As a result, people began developing tools with graphical user interfaces (GUIs), which became what we now know as SQL clients — essentially front-end applications for database services.
The 5 free SQL clients at a glance
| Tool | License | Runs on | Databases on the free tier | Team layer | Best for |
|---|---|---|---|---|---|
| DBeaver Community | Apache 2.0 | Mac, Windows, Linux | 100+ relational engines via JDBC — MySQL, PostgreSQL, Oracle, SQL Server, SQLite. NoSQL drivers are commercial | None | The widest engine coverage, free |
| Beekeeper Studio Community | GPLv3, with Ultimate features under a commercial license | Mac, Windows, Linux | PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Redshift, CockroachDB, TiDB, BigQuery, GreengageDB, Redis. Oracle, MongoDB, Cassandra, ClickHouse, DuckDB, Firebird, DynamoDB are Ultimate-only | None | A clean, modern editor with a generous free engine list |
| DbGate Community | GPL-3.0 | Mac, Windows, Linux, browser | MySQL, PostgreSQL, SQL Server, Oracle, SQLite — plus MongoDB and Redis | None | SQL and NoSQL in one free tool |
| HeidiSQL | GPL-2.0 | Windows (Linux via Wine) | MySQL, MariaDB, SQL Server, PostgreSQL, SQLite, Firebird, Interbase | None | Windows-first MySQL and MariaDB work |
| Bytebase Community | MIT, with enterprise features under a commercial license | Browser, on a server you host | MySQL, PostgreSQL, SQL Server, Oracle, and more | Access control, request-and-review, audit log, masking | Shared production access for a team |
The first four are desktop clients: one person installs one app, holds the credentials, and queries. Bytebase is the odd one out because it is a server, which is also what lets it answer the question the others cannot — who ran what, against which database, and who approved it.
What to look for in an open source SQL client
Not every SQL client fits every team. When comparing open-source SQL clients and database management software, weigh these criteria:
- Open source. The code should be freely available and modifiable, so you can audit it, self-host it, and avoid vendor lock-in.
- Multi-database support. A single tool that speaks MySQL, PostgreSQL, SQL Server, Oracle, and NoSQL saves you from juggling one client per engine.
- Cross-platform. Native support for Mac, Windows, and Linux — or a browser-based UI — keeps the whole team on the same tool.
- SQL editor quality. Autocomplete, syntax highlighting, query history, and result export are the day-to-day features you actually live in.
- Team collaboration and security. For shared production access you need centralized credentials, access control, audit logging, and data masking — capabilities client-side desktop tools cannot provide.
- What the free tier actually includes. Every tool below is free, but several keep specific database drivers behind a paid edition. Check that your engine is on the free side of that line before standardizing a team on the tool.
DBeaver
DBeaver is a veteran SQL client. In addition to basic visualization and management capabilities, it has a SQL editor, data and schema migration capabilities, monitor database connections, and more. The free Community Edition is Apache 2.0 and connects to anything with a JDBC driver — over 100 of them ship out of the box. It also includes an AI chat that turns plain English into SQL.
The limit worth knowing before you commit: NoSQL is not part of the free tier. MongoDB, Cassandra, Couchbase, and Redis are non-JDBC sources, and their drivers belong to the commercial editions.
It's worth noting that DBeaver announced a $6M seed round in April 2023 (the press release also mentions that DBeaver has over 8M users and 5,000+ paying subscribers), their first funding since the author built it in 2013.
The same team also maintains CloudBeaver, a self-hosted web version of DBeaver — still a SQL workbench in the browser, without the team governance layer that Bytebase (covered below) provides.
Beekeeper Studio
Beekeeper Studio is a modern (aesthetic) and lightweight SQL client that supports MySQL, Postgres, SQLite, SQL Server, etc. It is available on Linux, Mac and Windows.
The free engine list is the most generous here. The Community Edition is GPLv3 and covers PostgreSQL, MySQL, MariaDB, SQLite, and SQL Server, plus Redshift, CockroachDB, TiDB, BigQuery, GreengageDB, and Redis — a NoSQL store on the free tier, which most of this list reserves for a paid edition. Oracle, MongoDB, Cassandra, ClickHouse, DuckDB, Firebird, and DynamoDB are the Ultimate-only ones, so check your engine before you standardize on it. Beekeeper Studio is GPLv3, with the Ultimate features under a commercial license in the same repository — so the GPLv3 covers the core, not the whole download.
The author of Beekeeper Studio is an independent developer who started building this tool in 2019 because he couldn't find an easy-to-use cross-platform SQL client. After almost a year of hard work, the first version was released in early 2020.
DbGate
DbGate works in Windows, Linux, Mac, and your web browsers without compromises in functionality. Both SQL and noSQL databases are supported, from MySQL, PostgreSQL, SQL Server, MongoDB, SQLite, to CockroachDB.
DbGate is GPL-3.0, and its free build reaches furthest past SQL: MongoDB and Redis both work without paying. Beekeeper Studio matches it on Redis but keeps MongoDB for Ultimate, so DbGate is the only free tier here that gives you a document store. The Premium edition adds connectors rather than core features — Redshift, CosmosDB, Turso, and Firestore sit behind it.
The author of DbGate says this was his passion project because he couldn't find a SQL client for Linux. He had built SQL clients for Windows in the past, so this was influenced by his own work experience.
HeidiSQL
HeidiSQL is also a lightweight SQL client that supports a long list of databases including MariaDB, MySQL, MS SQL, PostgreSQL, SQLite, Interbase and Firebird. In addition to basic SQL client functionalities, users can export structures and data to SQL files or copy them to the clipboard or other servers.
The whole tool is GPL-2.0 with nothing held back, which is rare here — the trade-off is the platform instead of the price list. HeidiSQL is a Delphi application, so Windows is home, Linux runs through Wine, and there is no macOS build.
The codebase for HeidiSQL originally came from the author's own MySQL-Front 2.5 software, but he later sold the MySQL-Front brand and the author renamed his project HeidiSQL and has maintained it to this day.
Bytebase
Aforementioned tools are all SQL editors built for individual use — even the browser-based ones mostly move the same single-user editor onto a server. What if you want a SQL client for team use? The individual-oriented SQL editors would not be sufficient because for team use, it would require:
- Centralized access control. Ideally you don't want to give away production database credentials to developers by default and only allow them to requst on demand.
- Audit logging. You want to capture all operations performed on the database.
- Request and review workflow. You want users to go through a ticketing process to request the access rights.
- Data masking. You may want to prevent users seeing sensitive data.
- Policy as Code (GitOps). Permission control and masking policies can be codified with Terraform and integrated with your existing DevOps pipeline.
All above requirements call for a server-side solution. And that's what Bytebase SQL Editor provides.
Two trade-offs, stated plainly. A server is something you have to run, so if you are one developer querying your own database, a desktop client above is the simpler answer. And Bytebase is MIT licensed, with enterprise features under a commercial license — the enterprise directories and the code gating features, permissions, roles, and plans carry that separate license, the same split Beekeeper Studio makes. The Community plan is free — see pricing for what sits in the paid tiers.
Frequently Asked Questions
What is the best open source SQL client?
DBeaver is the most widely used open-source SQL client because its free Community Edition supports 100+ relational databases on Mac, Windows, and Linux. For a lighter, more modern interface, Beekeeper Studio and DbGate are strong alternatives. For team use with access control and audit logging, Bytebase is the server-side option.
Are open source SQL clients really free?
Yes. DBeaver (Community Edition), Beekeeper Studio, DbGate, HeidiSQL, and Bytebase (Community Plan) are all free to use, and the core tools remain free — install the desktop clients directly, or self-host the web-based ones. On licensing, DBeaver Community (Apache 2.0), DbGate (GPL-3.0) and HeidiSQL (GPL-2.0) are open source outright. Beekeeper Studio is GPLv3 and Bytebase is MIT, each with their paid features under a commercial license.
What is the best free database management software for Mac?
DBeaver, Beekeeper Studio, and DbGate all run natively on macOS and are free to use. Beekeeper Studio is often preferred on Mac for its clean, native-feeling UI, while DBeaver wins on breadth of database support.
What is the difference between a SQL client and database management software?
A SQL client is a desktop or browser GUI that an individual uses to run queries and browse data. Database management software is a broader category that also covers team-oriented capabilities — centralized access control, change review, audit logging, and data masking. Tools like DBeaver serve the individual; a server-side tool like Bytebase serves the team.
Which open source SQL client is best for teams?
Client-side editors give every developer direct database credentials, which is risky for shared production databases. For teams, a server-side tool like Bytebase adds centralized access control, request-and-review workflows, audit logging, and data masking so you can grant query access without handing out production passwords.
Summary
We briefly looked at the history of a handful of SQL Clients to understand some of the more famous open source solutions, rather than comparing the product or their functions (I mean, after 20 years of refinement those veteran SQL clients can't be too bad, right?). It seems that most of the authors began building because they were unable to find a product that fit their needs perfectly, but the story afterwards is very different: some tools were then commercialized, some continued on with a strong community, and some gradually faded out due to a change of focus.
What has changed most recently is where the free line falls. Almost every tool here still gives away a genuinely usable client; what the paid editions increasingly hold back is a database driver or the team layer, not the editor itself.
Beyond using the general SQL Client to interact with the databases, developers and DBAs also adopt more specialized tools for particular tasks:
- To perform schema migrations, go check out Top Database Schema Migration Tools.
- To compare and synchronize database schemas, go check out Top MySQL Schema Compare Tool.
- To design and visualize a schema, go check out Top Database Schema Diagram Tools.