# signal-cli

> Updated 2026-09-03 · type: tool · category: chat-helpdesk · status: active · rev 1

~4800 stars; complements signald; Unofficial CLI built on official libsignal-client; registers/links a real Signal account. Widely relied-upon de-facto…

- Open source: yes (GPL-3.0)
- Self-hostable: yes
- Pricing model: free
- Best for: Server administrators who need a command-line Signal client, primarily to notify admins of important events.
- Last verified: 2026-09-04

- **Canonical:** https://gtmstacker.com/registry/tool/signal-cli/
- **Source:** [github · github.com/AsamK](https://github.com/AsamK/signal-cli)
- **Tags:** chat-helpdesk, messaging-chat-platforms
- **Repository:** https://github.com/AsamK/signal-cli

## Is signal-cli open source?

Yes — GPL-3.0-licensed.

## How much does signal-cli cost?

It is free to use.

## Can I self-host signal-cli?

Yes — it can be self-hosted.


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~4800 stars; complements signald; Unofficial CLI built on official libsignal-client; registers/links a real Signal account. Widely relied-upon de-facto standard for server notifications -> finalist despite unofficial. platform-tos flagged (unsanctioned client; number could be limited). Auth via phone registration/link.