I'm building a predictive analytics SaaS tool. I need to collect a massive amount of data coming from my own customers. Do you have some good advice or know any useful API product to seamlessly collect event data?
Bistro Streams is an open source light-weight stream analytics engine: <a href="https://github.com/asavinov/bistro" rel="nofollow">https://github.com/asavinov/bistro</a><p>It is a general-purpose and highly configurable data processing engine which can be applied to many workloads and scenarios including data integration, data migration, ETL, big data processing etc.
Snowplow open source or managed solution ($$$) - give it a look. <a href="http://www.snowplowanalytics.com" rel="nofollow">http://www.snowplowanalytics.com</a>