I’m the owner of CAD Booster, where I mostly work on SOLIDWORKS add-ins.

My products include:

• Drew: drawing automation
• Lightning: the fast fastener filter
• Fastener Models: the best fastener library available
• Secrets to SOLIDWORKS Performance: ebook

If you are looking to develop a custom add-in for your company, I can build one for you.

I work with (and on) SolidDna, for which I recently released an improved version of:
https://www.nuget.org/packages/CADBooster.SolidDna/