According to SimsWiki and other sources the DBPF format is proprietary to Maxis/EA, so presumably it was developed by or for Maxis and cannot be used by other companies without permission.
Please do not PM me with mod, tutorial, or general modding questions or problems; post them in the thread for the mod or tutorial or post them in the appropriate forum.
Visit my blogs for other Sims content:
Online Sims - general mods for Sims 3
Offline Sims - adult mods for Sims 3 and Sims 4