American Speech-Language-Hearing Association (ASHA):

https://www.asha.org

 

Speech & Language Development:

https://www.asha.org/public/speech/development/

 

Activities to Encourage Speech and Language Development:

https://www.asha.org/public/speech/development/parent-stim-activities.htm

 

Tech Apps for Parents:

https://thespeechroomnews.com/2015/06/talking-through-tech-best-speech-therapy-apps-for-parents-of-preschoolers.html