Are we only looking at little ones that have their own user interface? If not, Snowplow is the prime mover of web and event tracking. https://github.com/snowpl

Are we only looking at little ones that have their own user interface? If not, Snowplow is the prime mover of web and event tracking. https://github.com/snowplow/snowplow https://github.com/snowplow/snowplow