(Image credit: Google / Roku / Eufy / Govee / Edited by Gemini)

Prime Day is almost here. Undoubtedly, a lot of people are going to be buying Ring video doorbells and Fire TV Sticks over the event. But if you want the best smart home devices, you should make sure you're not stuck in Amazon's bubble.Most of the best smart devices we've tested come from brands other than the big names Amazon owns. For example, the best video doorbell in our books is the Google Nest Doorbell (3rd Gen, Wired) on sale for $139. It offers sharp 2K video and six hours of free video storage. Right now it's on sale for $40 off, its lowest price ever.Keep scrolling to see more of the best Prime Day deals on affordable smart devices that aren't made in-house by Amazon! If you want to see the competition, check out the best Amazon device deals.Quick Linksshop all Amazon Prime Day dealsTP-Link Tapo C100 Indoor Security Camera: was $24 now $17Govee Smart Light Bulbs (4-Pack): was $39 now $32TP-Link Kasa Smart Plug Mini (4-Pack): was $44 now $37Arlo Video Doorbell 2K: was $79 now $40Google Nest Security Cam Indoor (Wired, 3rd Gen): was $99 now $69Google TV Streamer 4K: was $99 now $79Google Nest Doorbell (3rd Gen, Wired): was $179 now $139Sonos Era 300: was $479 now $379Security camerasStreaming devicesVideo DoorbellsSmart BulbsSmart PlugsSmart speakers