Apps similar to Vector include Prometheus, which is free and open source. Other options are Grafana Loki, Graphite Monitoring, Axibase Time Series Database and DalmatinerDB. In total there are five Log Management Tools like Vector for Linux, Mac, Windows and self-hosting.
Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Since its inception in 2012, many companies and organizations have adopted Prometheus, and the project has a very active developer and user community.
Grafana Loki is a horizontally-scalable, highly-available, multi-tenant log aggregation system inspired by Prometheus. It is designed to be very cost effective and easy to operate. It does not index the contents of the logs, but rather a set of labels for each log stream.
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Graphite is a highly scalable real-time graphing system. As a user, you write an application that collects numeric time-series data that you are interested in graphing, and send it to Graphite's processing backend, carbon, which stores the data in Graphite's specialized...
ATSD is purpose-built for analyzing and reporting on massive volumes of time-series data collected at high frequency. Features include data analytics, visualization, data forecasting, reporting, alerting. All in one product built for big data.
DalmatinerDB is a metric database written in Erlang. It takes advantage of special properties of metrics to make trade-offs. The goal is to make a store for metric data (time, values) that is fast, has a low overhead, and is easy to query and manage.
