Alternativy k Is It Working? pro Web s licencí open source

• Web
  Všechny platformy Windows Mac Linux Android iPhone Apple Watch iPad Web Self-Hosted Software as a Service (SaaS) PHP Python BSD FreeBSD Node.JS Debian Arch Linux Fedora CentOS Yii Framework OpenBSD Gentoo Linux Ubuntu Server Devuan
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence