Trust-Based Relational Intervention (TBRI) is probably the best known parenting curriculum.
At the Attachment & Trauma Network we have our PATH Framework (Promoting Attachment & Trauma Healing) - it's not a curriculum per se. But we have a series of e-learning bundles that may be of interest - they are quick access and not too expensive.
E-learning direct link: https://www.attachmenttraumane...atn-store-elearning/