Claims to be an easy-to-integrate self-hosted tool to monitor the performance of your Ruby on Rails application. This is a simple and free alternative to the New Relic APM, Datadog or other similar services. Realtime monitoring, throughput, average response time, which bits are the slowest, database queries, delayed_job monitoring, and custom events.
Known to work with Rails v4.2 and later. Requires Redis to hold the stats.
Amazingly, plugs right into Huginn using the default instructions.
How to add Redis caching support to a Ruby on Rails application.
The webapp that powers the OpenStreetmap website. Provides the API. rails If you can do it on openstreetmap.org, you'll be able to do it with this, from user accounts to editing and browsing.
Gitlab is a F/OSS clone of everything Github's website gives you, from collaboration apps to bug tracking to an easier way to use Git on the server side. The repositories here are either their own software, or their own forks of software that Github makes use of. Requires Ruby on Rails.
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