Home Assistant is one of the best open source automation system.
Why Home Assistant?
Please have a look at detailed reviews we have done to compare home Assitant to other smart home hubs:
What Can You Do Home Assistant
- 5 Great Free Automations Routines That Cost You Nothing
- 5 Best Smart Home Security Automations
- 5 Childcare Automations We Love (+ My Take On Practical Smart Baby Monitor)
- 19 Coolest Home Automation Ideas I Use (And You Should Too)
- 16 Must-Have Automations I Run On My $2,000 Open Source Smart Home (And You Can As Well)