Top 9 Sales Tools in Open Source

The top products on this list are Appolo, Talend Open Studio, and Apollo (from Baidu). All products here are categorized as: Tools designed to assist in sales processes, customer management, and sales analytics. We recommend LibHunt for [discovery and comparisons of open-source projects](https://www.libhunt.com/). One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.