Download of DB Solo 3 4.1 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this Mac application is DB Solo LLC.
We recommend checking the downloaded files with any free antivirus. This app's bundle is identified as com.install4j.4991-6321-2638-7921.2. The program lies within Developer Tools, more precisely DB Tools. The common filename for the application's installer is dbsolo.dmg. The following version: 4.1 is the most frequently downloaded one by the program users.
From the developer:
DB Solo - The SQL Query Tool is a powerful yet affordable cross-platform database development and management tool for both developers and DBAs. With its rich feature set, it is comparable to tools that are orders of magnitude more expensive. DB Solo has an intuitive user interface that allows you to explore and manage your database objects as well as execute your own ad-hoc SQL queries.
You may want to check out more Mac applications, such as DB Solo, DB-Text or Kube-Solo, which might be related to DB Solo 3.