[CentOS] where to get reliable/open source license manager

> 
> I know flexlm but I never heard of an open source project with the same
> functionality. Open source is usually free to use so there is no need to
> control the number of licenses used :-)
> 
There is an OpenLM that, ISTR, is a replacement for FlexLM. I've used
the tools associated with it to analyse FlexLM logs.  However looking
at it, it now seems to be a commercial enterprise.

P.