Open Source SQL Clients - Page 5
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SQLMinus - "sqlplus minus the pain". This SQL Client (Java) is very configurable, completes table and column names upon tabbing. Completes other words and abbrevs (vi-style). Powerful auto-linking across tables. Powerful auto-joining across tables.
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SQLStringSeeker
Ctrl+F for your MSSQL Database
This program connects to a users MSSQL Database, and searches it entirely for a search string. When finished, the results are populated in the log as preformatted queries that can be copy/pasted into SSMS for additional analysis. -
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SQLTabs
Rich SQL client for Postgresql, MySQL, MS SQL, Amazon Redshift
SQLTabs is a cross-platform SQL client built using Electron and Vue.js that offers a modern and intuitive interface for managing SQL databases. It supports multiple database types and allows users to run queries in tabs, explore schemas, and view results in a clean, responsive UI. SQLTabs is designed for developers and analysts who need a simple yet powerful tool for database interaction. -
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SQLer
write APIs using direct SQL queries with no hassle
sqler is a lightweight API gateway that automatically exposes your SQL database as a RESTful API. It allows developers to run parameterized SQL queries safely over HTTP, turning databases into microservices without writing backend code. sqler is great for prototyping, dashboards, and internal tools with quick database integration. -
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Built for power and simplicity, Saltwater SQL Client allows the experienced Oracle Guru to perform magic, yet is simple enough for a novice to use. Features: PL/SQL, CLOB tools, import/export, table edit, data dictionary, multiple connections/queries
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SQL editor for Oracle, MS-SQL, CA-Ingres, InterBase, Access, MySQL, PostgreSQL, etc. Table structures, indexes, exec. plans! Syntax highlight. CTRL+Space: commands and tables. Creates SELECT, INSERT, UPDATE, and DELETE. In english, french or portuguese.
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Simple java based command line SQL editor. Will connect to any database that you can provide a JDBC Type 4 driver for (in the form of a jar).
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Springbok
Educational Query Tool for Relational Databases
Relational Algebra is a very important formal language associated with relational databases. This is why most of the universities have Relational Algebra as an integral part of their database management courses. But unfortunately, most of the traditional relational DBMS software tools support Structured Query Language (SQL) only. For a student it is very difficult to know whether a relational algebra query written on paper is correct or not. Also as an instructor it is difficult to evaluate an innovative relational query because same result can be gained by different ways. Springbok is a free (non-commercial) educational tool to execute/validate relational algebra queries. Students, Instructors or any other interested parties can verify a relational algebra query by executing it through the Springbok. -
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Sqimplex
Simple visual SQL client
Sqimplex is a visual SQL client made for simple manipulation with SQL data for Oracle database platform (maybe later even other ones). Sqimplex is created in Delphi and runs on Windows Vista or later. -
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Sqled is a simple sql editor to write and execute sql and ddl commands, and shows query results in a grid table view. It helps user with sintax highliting and table list selection.
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SqlKata QueryBuilder
SQL query builder, written in c#, helps you build complex queries
SqlKata is a powerful and elegant SQL query builder for .NET that provides a fluent, expressive syntax to construct complex SQL queries programmatically. It supports multiple database engines and can compile queries to raw SQL with parameters, making it easy to integrate with Dapper or ADO.NET. SqlKata emphasizes flexibility and readability, enabling developers to write maintainable and reusable query logic. -
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Squel
SQL query string builder for Javascript
Squel is a JavaScript library for fluent and safe SQL query string building, usable both in Node.js environments and in the browser. Works in Node.js and in the browser. Supports the standard SQL queries: SELECT, UPDATE, INSERT, and DELETE. Supports non-standard commands for popular DB engines such as MySQL. Supports parameterized queries for safe value escaping. It can be customized to build any query or command of your choosing. Uses method chaining for ease of use. -
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Squirrel SQL Object Viewer Plugin
Moved project to objectviewer
This plugin is to allow a developer to introspect a BLOB column via the Squirrel SQL client. The initial focus will be on viewing Java objects but this will be expanded as time goes on. -
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Supavisor
A cloud-native, multi-tenant Postgres connection pooler
Supavisor is a high-performance Postgres connection pooler designed for multi-tenant environments, built in Rust by the Supabase team. It acts as a gateway that routes and manages database connections for each tenant, supporting row-level isolation and optimized connection sharing. Supavisor is ideal for SaaS platforms needing efficient, scalable multi-tenancy over PostgreSQL. -
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Temporal Tables
Postgresql temporal_tables extension in PL/pgSQL
temporal_tables is a PostgreSQL extension that adds temporal support to tables by automatically tracking row history. It enables versioned records, letting users query data as it existed at any point in time. This is ideal for audit logging, data versioning, and time-travel queries without needing manual triggers or archive tables. -
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Tern
The SQL Fan's Migrator
Tern is an open-source PostgreSQL migration tool designed to manage database schema changes through SQL-based migrations. It allows developers to organize, apply, and reverse database modifications using sequentially numbered migration files. Each migration can contain SQL statements for both applying and rolling back changes, with execution handled through database transactions. The tool supports traditional SQL migrations alongside migrations implemented with Go functions. It also provides an optional workflow for managing database objects such as functions and views. Configuration supports environment variables, command-line arguments, and template-based variable interpolation. Tern can run as a standalone command-line application or be integrated into Go projects as a library. Built-in SSH tunneling supports connections to remote databases. -
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PL/SQL Editor Plugin for Eclipse using file and database access for auto completion and many standard source editing capabilities of eclipse. Designed to support editing the Oracle based PL/SQL language. Written in java, supported on all platforms.
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Turso Database
Turso is an in-process SQL database, compatible with SQLite
Turso is an in-process SQL database written in Rust and designed to stay compatible with SQLite. It supports SQLite’s SQL dialect, file formats, and C API while adding newer database capabilities. The project is currently in beta, so it is best used with care and proper backups for production data. Turso includes support for concurrent writes through MVCC, change data capture, and faster schema management. It offers bindings and integrations across languages such as Rust, JavaScript, Go, Python, Java, .NET, and WebAssembly. The database also includes vector support, asynchronous Linux I/O with io_uring, and a built-in MCP server that lets AI assistants inspect and modify databases through structured tools. -
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Vela is a Open Source SQL and PL/SQL client software for Oracle database with a graphical user interface developed using Java Swing. It is a Front-End tool for a Oracle developer. It supports most of the common developer tasks.
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ViennaSQL is a GUI SQL client written in 100% Java. ViennaSQL can communicate with any database that has a JDBC driver. It should run anywhere Java runs.
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Feature rich web based SQL Server Explorer and Management Tool. Dynamic forms, DDL/Data script generator and Structure and data comparision tool. Tabbed AJAX/Atlas driven smart web based SQL Editor.
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Web-based Squirrel SQL client. it allow you to view database structure, import/export and manage your databases, including create database, table, store procedure, view,trigger and user. it support oracle, db2, mysql, MS SQL server, FireBird,Postgres
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WebSQLClient
Dynamic web data entry client for JDBC data sources
Web SQL Client is a light-weight HTTP server allowing an end-user to access JDBC data sources via generated data entry screens. It has purposely been designed to be used with standard web browsers wireless tablet PCs and is highly configurable. WebSQLClient is capable of connecting to any JDBC datasource. Its main purpose is to provide rapid data model driven development. The WebSQLClient data entry forms are generated by querying the database system table information, but can alternatively be configured manually. WebSQLClient comprises a database agnostic data load utility (SQLLoader), a data unload tool (SQLExport) and SQL scripting capabilities. The application is a combination of a Java based multi-threaded webserver and HTML and Java Script. The major technology used comprises : Java, jQuery, jQuery UI, jqGrid, XML, JSON, Ajax and JDBC. WSQLC’s main components are the WSQLC server and dynamically created HTML pages. 27-May-2012 : Release 1.0 code and manual available -
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With Advisory Lock
Advisory locking for ActiveRecord
with_advisory_lock is a Ruby gem that provides a simple and thread-safe way to use PostgreSQL advisory locks within Ruby applications. It allows developers to wrap critical code sections with database-level locks to prevent race conditions across concurrent processes or threads. It’s especially useful in distributed systems, background job processing, or scheduled tasks where application-level mutexes aren't sufficient.
