Open System Architect

Open System Architect (OSA) is an application used for modelling a system.

18 Alternatives To Open System Architect

Amazon RDS

Online shopping from the earth’s biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & personal care, br…
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Aqua Data Studio

Aqua Data Studio is productivity software for Database Developers, DBAs, and Analysts.

ClickHouse

ClickHouse is an open-source column-oriented database management system that allows generating analytical data reports in real time.

DBeaver

DBeaver - Universal Database Manager and SQL Client.

DbSchema

DbSchema - ER Diagram & SQL Database Tool

HeidiSQL

HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.
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MySQL Workbench

MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
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Navicat

Powerful database management & design tool for Win, Mac & Linux. With intuitive GUI, user manages MySQL, MariaDB, SQL Server, SQLite, Oracle & PostgreSQL DB easily.

Qlikview

QlikView is business intelligence software that gives companies a direction using full business analysis to navigate a competitive market.

RazorSQL

RazorSQL is an SQL Editor and SQL database query tool for macOS, Windows, Linux, and Mac OS X.
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SQL Developer

Oracle SQL Developer is a free, development environment that simplifies the management of Oracle Database in both traditional and Cloud deployments.

SQL Power Architect

The SQL Power Architect data modeling tool was created by data warehouse designers and has many…

Skipper

Skipper is visual editor for ORM frameworks Doctrine, Doctrine 2, MongoDB ODM , Propel and CakePHP. It allows to import, edit and export ORM definitions in easy-to-use graphical interface.

TeamSQL

Simple Effortless Extensible Multi-Platform Data Client for MySQL, PostgreSQL, Microsoft SQL Server, Amazon Redshift and Redis
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dbForge Studio for MySQL

dbForge Studio for MySQL is a universal GUI tool for MySQL and MariaDB database administration, development, and management.

pgModeler

Open source data modeling tool designed for PostgreSQL. No more DDL commands written by hand. Let pgModeler do the job for you!