SquaeroDatabase manager
Your database manager: lightweight, local, and free.
Native, without the weight of Electron or a JVM. Everything stays on your machine —no cloud, no accounts, no telemetry— with safe transactional editing for SQLite, MySQL/MariaDB, PostgreSQL, Informix, and MongoDB.
Free and open source · Windows (macOS and Linux coming soon)
Lightweight and native
A C core and the system WebView: starts instantly, without the weight of an Electron runtime or a JVM.
Multi-engine
SQLite, MySQL/MariaDB, PostgreSQL, Informix, and MongoDB from one interface, with Informix support built in.
Local and private
Your connections and queries stay on your machine. No accounts, no cloud, no telemetry.
Safe editing
Data changes in a transaction with a SQL preview: commit or discard.
Open source
Free and auditable. No per-seat licenses or features behind a paywall.
Everything you expect from a database manager
Every feature described here is something Squaero does today — object explorer, SQL editor, and result grid, all in one place.
SQL editor
Schema-aware autocomplete, formatting, query history, and reusable snippets.
Editable grid
Edit, insert, and delete rows in a transaction with a preview; row detail for wide records.
Explorer by type
Tree from connection → database → tables, views, functions, procedures, triggers, and events, with colored icons.
Import / Export
CSV, JSON, XLSX, XML, HTML, and SQL. Import spreadsheets and export any result.
Tools
ER diagram, visual query builder, charts, server monitor, users and privileges.
Multi-engine
SQLite, MySQL/MariaDB, PostgreSQL, Informix, and MongoDB — the same workflow across all.
Honest comparison
Against well-known tools. Only verifiable claims; we also point out where the competition is stronger.
| Squaero | Tabularis | Navicat | DBeaver CE | HeidiSQL | TablePlus | phpMyAdmin | Server Studio* | |
|---|---|---|---|---|---|---|---|---|
| Price | Free | Free | Paid | Free | Free | Freemium | Free | Freemium |
| Open source | Yes | Yes | No | Yes | Yes | No | Yes | No |
| Platform | Windows* | Win/mac/Linux | Win/mac/Linux | Win/mac/Linux | Windows | Win/mac/Linux | Web | Win/mac/Linux |
| Lightweight (no Electron/JVM) | Yes | Yes | Yes | No (JVM) | Yes | Yes | Web | No (JVM) |
| Local, no telemetry | Yes | ~ | ~ | ~ | Yes | ~ | Yes | ~ |
| Informix support | Yes | Yes | No | Yes | No | No | No | Yes |
| SQL editor with autocomplete | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Transactional editing (preview) | Yes | ~ | ~ | ~ | ~ | ~ | ~ | ~ |
| ER diagram | Yes | Yes | Yes | Yes | ~ | Yes | ~ | ~ |
| Visual query builder | Yes | Yes | Yes | Yes | No | ~ | No | ~ |
| Charts | Yes | Yes | Yes | ~ | No | No | ~ | ~ |
| Server monitor | Yes | ~ | Yes | ~ | ~ | No | ~ | Yes |
| Users and privileges | Yes | ~ | Yes | ~ | ~ | No | Yes | Yes |
| Import/Export (CSV/JSON/XLSX/XML/HTML/SQL) | Yes | ~ | Yes | Yes | ~ | Yes | ~ | ~ |
| Data generation | Yes | ~ | Yes | ~ | No | No | No | ~ |
| SQL notebooks | Yes | Yes | No | ~ | No | No | No | No |
| AI assistant | No | Yes | ~ | ~ | No | No | No | No |
Windows for now; macOS and Linux on the way. Tabularis = Apache-2.0 client (Tauri/Rust); Informix and other engines via plugins. Server Studio = free JE (Java Edition) of the Informix suite. "~" = partial or edition/plugin-dependent.
Sources (reviewed 11 Jul 2026): Squaero cells are verified against this repository's code and automated tests; the rest against each product's documentation and official website — Tabularis, Navicat, DBeaver, HeidiSQL, TablePlus, phpMyAdmin, Server Studio. Features evolve; if you spot an inaccurate cell, open an issue.
Download
Windows installer with all five engines included (SQLite, MySQL/MariaDB, PostgreSQL, Informix, MongoDB).