GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
logit.io - Logit.io provides complete observability of logs, metrics and traces. The platform also offers alerting & monitoring, as well as Prometheus, OpenSearch & Grafana. Ingest any type of data to see real-time insights about your applications and services
Dr. Geo - Dr. Geo, a software to design & manipulate interactive geometric sketches.
Plumbr - Plumbr is an application performance platform that provides insights to users on the performance of their applications.
Giac/Xcas - Free computer algebra system
AppOptics - Application performance management and infrastructure monitoring.