ELK (Elasticsearch, Logstash, Kibana) Startups

Logs.io is a cloud-based log analytics SaaS built by Tomer Levy, launched in October 2014 and achieving product-market fit within 6 months. The company leverages the open-source ELK stack as a lead-generation engine, becoming the #1 content contributor to the ELK community and ranking #1 in Google for key search terms. With ~300 paying customers across 80 countries, a 10-40K ACV sweet spot, and a minimum $3.6M ARR run rate, Logs.io has raised $24M (including a $15.6M Series B in October 2016) and operates with 80% gross margins and sub-one-year payback periods.