The 22.214.171.124 version of Visuino is available as a free download on our website. The actual developer of the software is Mitov Software LLC. The program is included in Development Tools.
From the developer:
Visuino is a visual programming tool for Arduino boards. It can be used by those who need to quickly develop applications without learning programming. It currently supports the official Arduino boards, ESP8266, Controllino, Goldilocks Analogue, and number of Arduino clones.
You may want to check out more software, such as FlashDevelop, PHPEdit or Raize Components, which might be related to Visuino.