VectorBuilder is a revolutionary online platform aimed at providing researchers with one-stop solutions to all their vector design, custom cloning and virus packaging needs. Besides cloning and virus packaging, VectorBuilder offers many other molecular biology services such as library construction, BAC modification (recombineering), mutagenesis, and many more. Our web-based design tool provides a highly intuitive workflow for you to design your desired vector with just a few mouse clicks, all for free. You can then use our online ordering system to purchase the custom cloning of your vector – along with related services such as virus packaging – as easily as shopping on Amazon. The cost and turnaround time are just a fraction of DIY.