Bugfender vs Vulcan: What are the differences?
Bugfender: Cloud logging for your apps, not only crashes matter. See the NSLogs of your customer applications remotely from your computer, it’s like having a remote Xcode console viewer. This way you can fix bugs easily; Vulcan: DigitalOcean's API-compatible alternative to Prometheus. Vulcan is an API-compatible alternative to Prometheus. It aims to provide a better story for long-term storage, data durability, high cardinality metrics, high availability, and scalability. Vulcan is much more complex to operate, but should integrate with ease to an existing Prometheus environment.
Bugfender can be classified as a tool in the "Log Management" category, while Vulcan is grouped under "Monitoring Tools".
Vulcan is an open source tool with 542 GitHub stars and 32 GitHub forks. Here's a link to Vulcan's open source repository on GitHub.