SIERRA by Phantom Helix
SIERRA is a local-first desktop workspace for investigations. Keep entities, files, notes, time, and tool output attached in one graph instead of scattering the case across tabs and docs.
Free desktop app for Windows, macOS, and Linux
Need the walkthrough first? See how SIERRA works
Keep entities, notes, screenshots, and evidence in one map instead of splitting the case across tabs.
Put dates and ranges on nodes and edges so relationship and chronology stay visible together.
Run local invokers in the workspace and add cloud execution only when the case actually needs it.
OSINT tools for modern investigators and security professionals.
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