arendst/Tasmota
Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at
What it does
Tasmota is a free, open-source software replacement that you can install on thousands of popular smart home devices — like smart plugs, light switches, and sensors — giving you full control over them without relying on the manufacturer's app or cloud servers. It lets these devices work entirely within your own home network, controlled through a simple web interface or connected to popular smart home platforms.
Why it matters for PMs
With nearly 25,000 stars and over 5,000 forks, Tasmota signals massive market demand for smart home products that prioritize privacy and independence from third-party cloud services — a growing consumer concern as companies shut down servers or get acquired. For founders and investors, this represents a clear product opportunity: customers are actively seeking connected devices that offer local control, long-term reliability, and freedom from subscription fees or data sharing.
Early stage — limited signal data
Score updated Feb 18, 2026
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