Talend Open Studio - Connect to any data source in batch or real-time, across any platform. Download Talend Open Studio today to start working with Hadoop and NoSQL.
logstash - logstash is a tool for managing events and logs.
Singer - Simple, Composable, Open Source ETL
rsyslog - Rsyslog is an enhanced syslogd supporting, among others, MySQL, PostgreSQL, failover log...
Apache Camel - Apache Camel is a versatile open-source integration framework based on known enterprise integration patterns.
Graylog - Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.