Warnly is unclaimed —

Warnly

Exception Monitoring Without Limits·warnly.io

Warnly is an open-source exception monitoring platform for development teams, deployed on the user's own infrastructure via Docker, Kubernetes, or bare metal. It automatically groups related exceptions to reduce alert noise, provides real-time alerts with stack traces, and supports unlimited projects. It is fully self-hosted, meaning error data stays on the user's own servers, and is released under the MIT license with no premium tiers or usage limits.

What it's for

Monitor exceptions/errors across unlimited projects from a single dashboardGet real-time alerts with detailed stack traces to debug before users are affectedAggregate and group related exceptions to reduce alert fatigueSelf-host error tracking to keep sensitive error data on own infrastructureIntegrate SDKs into applications to start monitoring exceptions

Features 12

Fast processing of thousands of exceptions per second
Historical search at scale without degradation
Intelligent error aggregation/grouping of related exceptions
Millisecond-level exception processing and indexing
MIT licensed - use, modify, and redistribute freely
No account required to deploy
No credit card needed
No feature gates or hidden costs
Real-time alerts with detailed stack traces
Rich SDKs for major programming languages
Self-hosted deployment (Docker, Kubernetes, bare metal)
Unlimited projects monitored from a single dashboard

At a glance

free tieropen sourceself-hostable

TypeWeb app

DeploymentSelf-hosted

PlatformsWeb

Fordevelopers, development teams

Resources

Docs

Pricing

Warnly states it will always be free and open source, with no premium features, subscriptions, or usage limits.

Open SourceFree

Warnly has no pricing plans; it is always free and open source with no premium tiers.

No pricing plans, no premium features, no usage limits