OProfile Alternatives

VisualVM is a visual tool integrating several commandline JDK tools and lightweight profiling...

Callgrind is a profiling tool and KCachegrind is able to visualize output of the profilers.

NinjaOne (Formerly NinjaRMM) provides remote monitoring and management software that combines powerful functionality with a fast, modern UI. Easily remediate IT issues, automate common tasks, and support end-users with powerful IT management tools.

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Valgrind is an instrumentation framework for building dynamic analysis tools.

The open source diagnostics platform for the web. Contribute to Glimpse/Glimpse development by creating an account on GitHub.

dotMemory allows users to analyze memory usage in a variety of .NET and .NET Core applications.

MemoryLogic offers tools to add process id and memory usage in rails logs and to track memory leaks.

Perf is a simple app monitoring solution paired with meaningful alerts.

Open Source

Apache ab is a tool for benchmarking Apache Hypertext Transfer Protocol (HTTP) server.

Robot Console is a Message and Event Monitoring Software for IBM i thathas automatic message management, resource monitoring, and log monitoring.

PnP networked resource monitoring tool that can help to answer the what just happened to kill our performance

Open Source

Oink is a Rails plugin and log parser to help narrow down the source(s) of increased memory usage in rails applications.

Trace system calls and signals. A diagnostic, debugging and instructional userspace utility.

The Eclipse Foundation - home to a global community, the Eclipse IDE, Jakarta EE and over 350 open source projects, including runtimes, tools and frameworks.