E2Guardian - Web filtering solution
Invision - Prototyping and collaboration for design teams
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Diladele Web Safety - Diladele Web Safety is the name of a simple, easy to use and powerful web filter for all kind of activities over the internet.
Craftwork - A collection of User Interface resources made by Craftwork