Consul
Consul makes it simple for services to register themselves and to discover other services via a DNS or HTTP interface. Register external services such as SaaS providers as well
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Honeybadger
Honeybadger is a hosted monitoring service that tracks errors happening in your applications, aggregates them, and notifies you about them based on rules you define. Honeybadger gives you the insight you need to diagnose and fix application errors, faster.
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InfluxDB
InfluxDB is a time series, metrics, and analytics database. It’s written in Go and has no external dependencies. InfluxDB is targeted at use cases for DevOps, metrics, sensor data, and real-time analytics.
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Kibana
Kibana is a modern, beautiful visualization tool that works seamlessly with Logstash and ElasticSearch. It features a no-code setup, realtime analytics, and much more.
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Prometheus
Prometheus is an open-source systems monitoring and alerting toolkit built at SoundCloud.
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Sentry
Automate error tracking to find and fix issues before your users even experience a crash. Sentry is open-source, real-time, and loved by 100,000 developers around the world.
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Statsd
A network daemon that listens and collects statistics and sends aggregates to many pluggable backend services
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