NiceDB 0.3.2

• Locked production: the grid menu shows write items greyed out, with the reason.
• A failed Apply names the constraint, table and columns (and the missing side of a foreign key).
• Leaving a table with pending edits asks to apply, discard or stay.
• No more slowdown when selecting text in long scripts.
• Full version in the status bar; the foreign key arrow stays inside its cell; aligned Links icons with clearer tooltips.
• No pointer prompt after updating: choose pointers in Settings › Appearance.

NiceDB 0.3.1

• The first start follows the system: interface language (Italian, Chinese, otherwise English) and light or dark theme.
• The window fits smaller screens: the minimum size is now 960×600.
• A bug report template asks for the engine and version, steps and expected result.

NiceDB 0.3.0

• The ER diagram legend is available in every style.
• Running something while a dry run still waits for Commit or Rollback rolls the dry run back first, instead of refusing; an open-transaction error offers Commit and Rollback in place.
• The history panel shows new runs while it is open.
• nicedb run --conn <connection> file.sql --csv: runs SQL from the command line on saved connections, with passwords from the keychain and the production gate.
• Presentation mode (Ctrl+Alt+P): larger type, personal data and connection addresses hidden, for videos and demos.
• Dry runs and write confirmations say what a DELETE, TRUNCATE or DROP TABLE would take away, and the rows of other tables pointing at it (cascade, set null or blocking).
• The write log can put back the old values of changes applied from the Data view, after showing the SQL and through the production gate; it says which writes cannot be reverted.
• Import a JSON, Extended JSON or NDJSON file into a MongoDB collection, an Elasticsearch index or a DynamoDB table, with a preview, a count and the lines left out.
• Plan history: every Explain is kept per query (values ignored), with a warning when the shape changes or it gets more than 50% slower, and any saved plan can be compared with the current one.
• Grid: drag a header to move the column, freeze columns on the left, fit all columns at once; order, frozen columns and widths are remembered per table.
• Optional masking of personal data in results (tax codes, IBANs, emails, phone numbers), off by default; the header eye reveals a column.
• Ctrl+F in the results grid and the Data view highlights matching cells and steps through them.
• Ctrl+Shift+T reopens the last closed tab, and the ones before it, with their text.
• Connections can have a colour and a mark, shown in the tree and on their tabs; eight new marks for folders and connections.
• Open and save .sql files: a File button in the editor bar, Ctrl+O, Ctrl+S and Ctrl+Alt+S (save as), starting from the last folder used; drop .sql files on the window to open them.
• Saved scripts and bookmarked queries can be inserted into the editor from Ctrl+K.
• History can show every connection and only successful or failed runs.
• Tabs are saved when the window closes too, so text typed just before quitting comes back at the next start.
• The connection tree indents each level clearly under its connection.
• Thinner cell and crosshair pointers.

NiceDB 0.2.2

• Simplified Chinese interface, contributed by @YNM9000.
• Pointers in the style: arrow, text cursor and handles drawn in each style's shape and colours, with a size setting. Existing installs are asked once; Settings › Appearance turns them off.
• Switching an open connection to production locks it and shows the unlock control at once, without reopening.
• Update notes in English for languages other than Italian.

NiceDB 0.2.1

• The status bar shows the right version.

0.2.0 (2026-11-05)

• Production is harder to miss: remote hosts suggest the production flag, production tabs and the title bar are marked, and an unlocked session shows its countdown on every tab that shares it.
• Workspace exports carry only database passwords. SSH, proxy and certificate secrets stay with you.
• Linux: works with a keyring that has no default collection, and says how to create one when there is none.
• Manual: the write log is kept by NiceDB on your computer, not a server audit.

NiceDB 0.1.0

First public release of NiceDB, a free and open-source database client for Linux, Windows and macOS.

Engines. PostgreSQL, MySQL, MariaDB, SQL Server, Oracle, Db2, SAP HANA, Firebird, CockroachDB, SQLite, libSQL/Turso, the PostgreSQL- and MySQL-compatible TimescaleDB, YugabyteDB, Neon, Supabase, TiDB and PlanetScale, MongoDB, Redis and Valkey, Cassandra and ScyllaDB, DynamoDB, Elasticsearch and OpenSearch, DuckDB and ClickHouse, plus any database with an ODBC driver.

What is in it.

• Editor with completion from the live schema, results grid with in-place edits, and a Data view for browsing and editing tables.
• Production safety: production connections open read-only, writes need an explicit unlock and confirmation, and every write is logged.
• Query plans drawn as a graph with notes that say where the cost goes, for 16 engines.
• ER diagrams, schema and data compare, import and export, backups, activity and monitoring tools.
• Four visual styles, each in light and dark.
• Passwords stay in the system keychain. No telemetry.

Downloads. Linux: AppImage, .deb or tarball (glibc 2.35 or newer). Windows: installer, single .exe or zip. macOS: one universal app for Apple Silicon and Intel. The binaries are not code-signed yet, so SmartScreen and Gatekeeper ask once before the first start. Updates are signed and checked by the app.

Bug reports and feature requests are welcome in the issues.