DBeaver - DBeaver - Universal Database Manager and SQL Client.
YoutubeMultiDownloader - Just like its name YouTube Multi Downloader, it is an online website for downloading the videos of downloading without using any video download and accelerator.
DataGrip - Tool for SQL and databases
KeepVid - A free web application that allows you to download videos
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.
ShareTube - Watch YouTube, synced with friends.