A data management tool that enables working with other SQL tools
Apache IoTDB
The open protocol for real-time sync to client applications
A functionally oriented interface for calling Julia from R
Koito is a modern, themeable scrobbler
Open Source Data Orchestration for the Cloud
Object-Oriented Database in C# with PowerShell interface
Autoplot is an interactive browser for data on the web
SCADA HMI for substations, IoT and automation applications
OctoBase is the open-source database behind AFFiNE
http://lc.kubagro.ru/
PHPCI is a free and open source continuous integration tool
ShelterOps - Animal and Wildlife data management software
Timeseries databases management system
HadStat is service on cloud,for data analysis using Hadoop MapReduce.