Secure remote access solution to your private network, in the cloud or on-prem.
Deliver secure remote access with OpenVPN.
OpenVPN is here to bring simple, flexible, and cost-effective secure remote access to companies of all sizes, regardless of where their resources are located.
Get started — no credit card required.
Top-Rated Free CRM Software
216,000+ customers in over 135 countries grow their businesses with HubSpot
HubSpot is an AI-powered customer platform with all the software, integrations, and resources you need to connect your marketing, sales, and customer service. HubSpot's connected platform enables you to grow your business faster by focusing on what matters most: your customers.
All pairs n-body simulation of electromagnetic forces on charged particles, adapted from Nvidia SDK 3.2 sample. Uses Lorentz force from EM fields via the Biot-Savart law for moving charged particles (uses relative velocity). Relativistic.
Flatland is a simple cross-platform object-oriented 2D collision library. It presents a C++ interface to the Open Dynamics Engine physics SDK. Flatland does not handle graphics, but two sample programs are available, both of which use OpenGL.