Reconnoiter

Reconnoiter is a monitoring and trend analysis system designed to cope with large architectures…

Axibase Time Series Database

ATSD is purpose-built for analyzing and reporting on massive volumes of time-series data collected…

High performance, in-memory storage engine for time series data (by Facebook)

Time & expense tracker

A fast, distributed metric store

Fluentd is a cross platform open source data collection solution originally developed at Treasure Data.

Graphite is a highly scalable real-time graphing system.

Scalable datastore for metrics, events, and real-time analytics.

Fast Time Series Database on Cassandra

Easily visualize data pushed into Elasticsearch from Logstash, es-hadoop or 3rd party technologies…

LogicMonitor is the SaaS performance monitoring platform for the world’s best IT teams. Deploy Fast, Monitor More, Improve Ops.

OpenTSDB is a distributed, scalable Time Series Database (TSDB) written on top of HBase.

Open source spatial database

PostgreSQL is a powerful, open source object-relational database system.

An open-source systems monitoring and alerting toolkit.

High performance data logging and graphing system for time series data

Simple daemon for easy stats aggregation.

TimescaleDB is a time-series SQL database providing fast analytics, scalability, with automated data management on a proven storage engine.

logstash is a tool for managing events and logs.