Graylog
graylog.orgLogging
Open-source log management you can self-host and actually own, if you'd rather run the cluster than rent it.
Other products from Logging
Tail and search logs across every box you own from one live stream — the tool that made log aggregation feel trivial.
SolarWinds' full-text log search with dashboards baked in, for when Papertrail's simplicity stops being enough.
Enterprise-grade log analytics and SIEM in one bill — overkill for a side project, exactly right once compliance shows up.