Jami

Connect various devices (Windows, Linux, Android, etc.) to transfer files, share clipboards, remote view and control, see notifications from other devices, etc.

The easy way to remotely connect with your home or work computer, or share your screen with others.

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network

Grafana allows you to query, visualize, alert on and understand your metrics no matter where they are stored. Create, explore, and share dashboards with your team and foster a data driven culture.