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Open-source monitoring and alerting system by Stack Exchange
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What is Bosun?

Bosun is an open-source, MIT licensed, monitoring and alerting system by Stack Exchange. It has an expressive domain specific language for evaluating alerts and creating detailed notifications. It also lets you test your alerts against history for a faster development experience.
Bosun is a tool in the Monitoring Tools category of a tech stack.
Bosun is an open source tool with 3.2K GitHub stars and 504 GitHub forks. Here’s a link to Bosun's open source repository on GitHub

Who uses Bosun?

5 companies reportedly use Bosun in their tech stacks, including Stack Overflow, Labs, and Infrastructure.

13 developers on StackShare have stated that they use Bosun.
Pros of Bosun
Powerful alerting
Query multiple tsdbs
Query Elasticsearch

Bosun's Features

  • Save time by testing alerting against historical data and reduce alert noise before an alert goes into production
  • Supports querying OpenTSDB, Graphite, and Logstash-Elasticsearch
  • Create notifications using Bosun's template language: include graphs, tables, and contextual information

Bosun Alternatives & Comparisons

What are some alternatives to Bosun?
Prometheus is a systems and service monitoring system. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some condition is observed to be true.
Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elasticsearch.
Grafana is a general purpose dashboard and graph composer. It's focused on providing rich ways to visualize time series metrics, mainly though graphs but supports other ways to visualize data through a pluggable panel architecture. It currently has rich support for for Graphite, InfluxDB and OpenTSDB. But supports other data sources via plugins.
Nagios is a host/service/network monitoring program written in C and released under the GNU General Public License.
Zabbix is a mature and effortless enterprise-class open source monitoring solution for network monitoring and application monitoring of millions of metrics.
See all alternatives

Bosun's Followers
50 developers follow Bosun to keep up with related blogs and decisions.