Hawk

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What Hawk is

Hawk is an open-source error tracker that collects code exceptions and runtime errors for application investigation. Event views can show stack traces, code snippets with local variables, request parameters, user system information, and details about affected users and occurrence counts. Teams can filter, sort, assign, and mark events. A project health graph tracks how error counts change after releases. Hawk lists official Catchers for JavaScript, Node.js, React, Vue, Nuxt, Webpack, Vite, Python, Flask, FastAPI, PHP, Symfony, Laravel, Go, Android, Kotlin, and Java; developers can create a Catcher for another language or send events using Hawk’s Event format. Notifications can go to email, Slack, or Telegram, with configurable rules and event filters. The cloud service retains events for 30 days, and Hawk directs teams needing more storage to contact it. Sensitive-data options include server-side filtering and a before-send hook to remove fields. Hawk says it uses TLS in transit, Argon2-hashed passwords, and regular daily and weekly backups. Hawk Web is available in a browser; its Windows, macOS, and Linux desktop app is described as under testing.

Who it suits

Hawk suits development teams that need to inspect, organize, and receive alerts about application errors. Its listed Catchers cover many languages and frameworks, with custom Catchers or its Event format available for other cases.

What it does well

Event views include stack traces and request details
Tracks error-count changes across releases
Notifications support email, Slack, and Telegram
No stated limits on workspaces, projects, or team members
Open-source components and Catchers are available for inspection

What to know first

Events are stored for 30 days
Longer retention requires contacting the team
Desktop application is under testing

Limits

Hawk stores events for 30 days. The documentation directs teams needing longer storage to contact the company.

Getting started

Open Hawk Web in a browser
Choose an official Catcher for your language or framework
Create a workspace and project
Send events through the Catcher or Hawk Event format
Configure email, Slack or Telegram notification rules

Verdict

Hawk offers error investigation, release health views, event notifications, and sensitive-data controls as an open-source cloud service. Teams should account for the 30-day event retention period and the desktop app’s testing status.

Questions

Is Hawk open source?

Yes. Hawk describes itself as open source and links its service components and Catcher repositories for inspection and contribution.

Which platforms does Hawk support?

Hawk lists Android, API, Linux, macOS, web and Windows. The Windows, macOS and Linux desktop application is under testing, while Hawk Web runs in a browser.

How long are events stored?

Events are stored for 30 days. Hawk says to contact the team if longer storage is needed.

Which languages have official Catchers?

Official Catchers cover JavaScript, Node.js, React, Vue, Nuxt, Webpack, Vite, Python, Flask, FastAPI, PHP, Symfony, Laravel, Go, Android, Kotlin and Java.

Can Hawk filter sensitive data?

Yes. Hawk provides server-side sensitive-data filtering and a before-send hook for removing sensitive fields before transmission.

Facts from Hawk's own pages

App health: Hawk provides an app health view for monitoring changes in error counts across releases. · docs.hawk.so, 9 Oct 2026
Catchers: Official Catchers are listed for JavaScript, Node.js, React, Vue, Nuxt, Webpack, Vite, Python, Flask, FastAPI, PHP, Symfony, Laravel, Go, Android, Kotlin, and Java. · docs.hawk.so, 9 Oct 2026
Custom integrations: Developers can create a custom Catcher for an unsupported language, or send data using Hawk’s Event format. · docs.hawk.so, 9 Oct 2026
Desktop status: The download page says the Windows, macOS, and Linux desktop application is under testing, while Hawk Web can be tried in a browser. · hawk.so, 9 Oct 2026
Encryption: Hawk says data sent to the service is encrypted with TLS and the Garage is available only over encrypted connections. · docs.hawk.so, 9 Oct 2026
Event details: Event views can include stack traces, code snippets with local variables, request parameters, user system information, and affected-user and occurrence information. · docs.hawk.so, 9 Oct 2026
Event management: Users can filter, sort, assign, and mark events. · docs.hawk.so, 9 Oct 2026
Event retention: Hawk stores events for 30 days; the documentation says to contact the company if more storage is needed. · docs.hawk.so, 9 Oct 2026
Headquarters: Saint Petersburg, Russia · hawk.so, 28 Sept 2026
Integrations: Official Catchers are listed for JavaScript, Node.js, React, Vue, Nuxt, Webpack, Vite, Python, Flask, FastAPI, PHP, Symfony, Laravel, Go, Android, Kotlin, and Java. · docs.hawk.so, 9 Oct 2026
Maker and address: Hawk says it is made by CodeX, and its contact page lists an organization address at 12, Birzhevaya liniya, Saint Petersburg, 199034. · docs.hawk.so, 9 Oct 2026
Notifications: Notification channels include email, Slack, and Telegram, with configurable rules and event filters. · docs.hawk.so, 9 Oct 2026
Open source: Hawk describes itself as open source and invites contributions through issues and pull requests. · docs.hawk.so, 9 Oct 2026
Organization: Hawk documentation says there are no limits on workspaces, projects, or team members. · docs.hawk.so, 9 Oct 2026
Platforms: Hawk Web is available in a browser; its Windows, macOS, and Linux desktop application is described as under testing, and Android is marked WIP. · hawk.so, 9 Oct 2026
Product: Hawk is an error tracker that collects code exceptions and runtime errors to help teams improve applications. · docs.hawk.so, 9 Oct 2026
Project health: Hawk provides a graph to monitor application health and track how error counts change after releases. · docs.hawk.so, 9 Oct 2026
Retention: Events are stored for 30 days, and the documentation says to contact the team if longer storage is needed. · docs.hawk.so, 9 Oct 2026
Security controls: The security policy describes TLS encryption in transit, Argon2-hashed passwords, and regular daily and weekly backups. · docs.hawk.so, 9 Oct 2026
Sensitive data: Hawk says its backend filters specified sensitive data by default, and Catchers support a before-send hook for removing event fields or values. · docs.hawk.so, 9 Oct 2026
Support: Product questions can be sent to [email protected]; billing and paid-feature questions go to [email protected]. · docs.hawk.so, 9 Oct 2026
Transport security: Hawk states its Garage, Collector, and public GraphQL API accept only HTTPS connections, while internal services use a VPN. · docs.hawk.so, 9 Oct 2026
Workspace limits: Hawk says there are no limits on workspaces, projects, or team members. · docs.hawk.so, 9 Oct 2026

Where Hawk stands on Freedom251

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