MySQL Workbench, DBeaver, SQL Server Management Studio, phpMyAdmin, Navicat, SQLyog, DataGrip, Sequel Pro, pgAdmin, Tableplus, Beekeeper studio, Sequel Ace, PSequel, Postico, Adminer, dbForge Studio for MySQL, SQLeo Visual Query Builder, FlySpeed SQL Query, SQL Workbench/J, dbForge Studio for SQL Server, DbGate, dbHarbor: SQLite, Database Browser, Valentina Studio, SQLiteStudio, Aqua Data Studio, PDOCrud, Chrome MySQL Admin, SQuirreL SQL, mssql for Visual Studio Code, SqlDbx, Model Xtractor, RazorSQL, PopSQL, WinSQL, ElectroCRUD, DbNinja, DbWrench, SQLPro Studio, SQLPro for MySQL, Datazenit, DbDesigner.net, Database .NET, Advanced Query Tool, SQL Maestro for MySQL, CloudBeaver, Querious, Jailer, Neor Profile SQL, Database Designer for PostgreSQL, xCRUD, Debugger for MySQL, myLittleAdmin, SQLECTRON, DeZign for Databases, DBKiss, Skipper, omnidb, Log Parser Lizard, Sqlite Page Explorer, Database Master, SQL Buddy, Sypex Dumper, Panda-Sql, SIDU, MySql Lite Administrator, Invantive Query Tool, OpenDBViewer, SQLPro for Postgres, Sequeler, MonoQL, mycli, usql, DataBread, Pgcli, modelDBA are some alternatives to HeidiSQL.