SigNoz is an open-source observability platform designed to help monitor and troubleshoot software applications. Founded in September 2020 and based in San Francisco, California, SigNoz aims to provide a cost-effective alternative to traditional application performance monitoring (APM) vendors. The platform is built on open standards and OpenTelemetry, ensuring transparent pricing and fast data ingestion. The all-in-one observability platform includes features such as application performance monitoring, distributed tracing, log management, metrics monitoring, exception tracking, alert notifications, customizable dashboards, and an advanced query builder. SigNoz supports a wide range of customers, from early-stage startups to large enterprises, particularly those in cloud-native environments and various industry verticals like e-commerce and finance. The company also offers special pricing for startups with fewer than 30 employees and under $6 million in funding.