Full-stack observability with actually useful AI | Grafana Cloud
Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.
Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
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Application Monitoring That Won't Slow Your App Down
AppSignal's Rust-based agent is lightweight and stable. Already running in thousands of production apps.
Full APM with errors, performance, logs, and uptime monitoring. 99.999% uptime SLA on the platform itself.
JSP tag library for displaying charts in web pages
Cewolf is a tag library for charts of all kinds. It enables every JSP to easily embed chart images. It can be used by any web applications running in a servlet container. No Java scriplet code is needed to define charts.
Plot 2D (plotting X vs Y) scatter plots directly to a compressed image file. Platform independent standalone package. Plot up to 12 series. ASCII options file. Console/Terminal and win32 GUI. Code is ANSI C with C++ encapsulation. Try it on the website.
Webcockpit is a Web Application Generator for realtime charting and monitoring solutions. Generates JSP code to create chart images and HTML tables from SQL queries. Supports Drill-Down and pluggable look&feel. Uses JFreeChart, Displaytag and Cewolf.