Sidekick - Live application debugger is now open source

Sidekick is a live application debugger that lets you troubleshoot your applications while they keep on running. It allows you to add dynamic logs and put non-breaking breakpoints in your running application without the need of stopping & redeploying. Currently supporting Java, Python & Node.js runtimes. Sidekick Open Source is here to allow self-hosting and make live debugging more accessible. Built for everyone who needs extra information from their running applications.

Visit github.com ↗Alternatives

In plain words

Sidekick is a live application debugger that enables developers to troubleshoot Java, Python, and Node.js applications without stopping or redeploying them. It allows users to add dynamic logs and insert non-breaking breakpoints directly into running code to gather additional information. The open-source version supports self-hosting, making live debugging accessible to development teams who need real-time insights into application behavior.

written from the facts on this page · September 2026

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