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C4: is it still online? | SaaS Outpost

March 2026 cohort / Developer tools

C4

Online

An open-source CLI and libraries for identifying, verifying, and diffing files and filesystem snapshots.

Avalanche-io
Avalanche-io/c4

Status: Onlinesince Nov 5, 2026
First launched: Mar 31, 2026
Category: Developer tools
Type: Developer tool
Pricing: Open source

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Pricing history

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Domain

cccc.io

History

Launched
Mar 31, 2026 · Launch announcement
Online
Nov 5, 2026 · online
Last checked Nov 5, 2026