One software license is required per developer.
You have a royalty-free right to distribute Chart FX "Redistributable Code" if:
(a) you distribute the "run time" modules only in conjunction with the executable files that make use of them as a part of your software product;
(b) you not redistribute or generate License files (.LIC or .LPK files or Registry entries) as part of your software product(s);
(c) you not permit further redistribution of the "run-time modules" by your end users customers;
(d) you do not expose, document or make public the software API (Application Programming Interface);
(e) your software product(s) must add significant and primary functionality to Chart FX "Redistributable Code";
(f) your software product main and primary functionality must not be creating and displaying charts;
(g) you redistribute only the software not designated as redistributable code.
(h) you do not use the Software FX, Inc. name, logo or trademark to market your software product;
(i) you or your end users do not use the "Redistributable Code" or any other SOFTWARE component for development purposes;
(j) you must not permit further redistribution of Chart FX "run-time modules" by your end-users cutomers; and
(k) you agree to indemnify, hold harmless, and defend Software FX, Inc. and its suppliers from and against any and all claims or lawsuits including attorney's fees, that arise or result from the use or distribution of your software product.

Please read the License Agreement in the Documentation section to ensure you are licensed correctly.