Alerta

Spec sheet

Purpose

Alerta consolidates and de-duplicates alerts from multiple sources for at-a-glance visualization.Read 3 Oct 2026 · docs.alerta.io

Deployment

Alerta can be deployed using Docker, and its quick start also documents installing the server and CLI with pip.Read 3 Oct 2026 · docs.alerta.io

Integrations

Built-in webhooks include AWS CloudWatch, Grafana, PagerDuty, Pingdom, Prometheus Alertmanager, Slack, Google Stackdriver, and Telegram.Read 3 Oct 2026 · docs.alerta.io

Support

The project lists Slack, a FAQ, and a GitHub issue tracker as support resources.Read 3 Oct 2026 · docs.alerta.io

Maker

The homepage copyright line names Nick Satterly.Read 2 Oct 2026 · alerta.io

Alert customization

Alerts can include multiple services, tags in any format, and custom attributes.Read 2 Oct 2026 · alerta.io

Alert format

Alerts are submitted in JSON format to an HTTP API, and alerts can also be queried from the command line.Read 2 Oct 2026 · alerta.io

Alert processing

The API can correlate, de-duplicate, or suppress alerts from multiple sources.Read 3 Oct 2026 · docs.alerta.io

Authentication

Authentication options include Basic Auth, LDAP, OpenID Connect, SAML 2.0, OAuth2, CAS, API keys, and HMAC authentication.Read 3 Oct 2026 · docs.alerta.io

Components

Alerta combines a JSON API server with a web UI and command-line tool.Read 3 Oct 2026 · docs.alerta.io

Customer views

A single Alerta instance can separate alerts by customer so customers can only see and action their own alerts while administrators can see all customers’ alerts.Read 2 Oct 2026 · alerta.io

De-duplication

Alerts with the same environment, resource and event are de-duplicated when received with the same severity.Read 2 Oct 2026 · docs.alerta.io

Docker

The official Docker image includes the API server, web UI, housekeeping, plugins, webhooks and authentication providers.Read 2 Oct 2026 · docs.alerta.io

Extensibility

Python plugins can extend Alerta without modifying its core source code.Read 3 Oct 2026 · docs.alerta.io

Flexible alert data

An alert can have multiple services, tags in any format, and custom attributes.Read 3 Oct 2026 · alerta.io

Monitoring sources

The homepage lists integrations for Prometheus, Riemann, Nagios, Zabbix, netdata, Sensu, Pingdom and CloudWatch.Read 2 Oct 2026 · alerta.io

Security configuration

Authentication is disabled by default, and the documentation advises enabling it and using HTTPS/SSL when the web UI is publicly accessible.Read 2 Oct 2026 · docs.alerta.io

Security guidance

The deployment documentation advises enforcing authentication and HTTPS/SSL when the web UI is publicly accessible.Read 3 Oct 2026 · docs.alerta.io

Web console

The web console displays alerts and is optimized for desktop, tablet and mobile.Read 2 Oct 2026 · alerta.io

Where Specifiction places it

• Alert Management Software#17 of 367.7
• IT Alerting Software#15 of 237.7