You could have downloaded SteelConnect 3.3.3 from our software library for free. The program's installer file is generally known as SteelConnect.exe. The most popular version of the software is 3.3. The program lies within Photo & Graphics Tools, more precisely 3D Design. The actual developer of the program is Deep Excavation.
From the developer:
Steel-Connect is a simple software program. Easily design and evaluate many steel connections with US codes ASD, LRFD, LRFD 13th. Simple and moment strut to beam connections. Reports can be exported in Word and PDF. Steel-Connect can automatically determine the required steel stiffeners, welds, and bolts.
You may want to check out more software, such as BIMware MASTER EC3 Steel Connections, which might be similar to SteelConnect.