Open source focus

Open Source Alternatives to Flock Safety

6 open source Security options similar to Flock Safety, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.

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Logz.io63
EnterpriseTel Aviv, Israel$132.0M
Logz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.
Open source · Self-hostable
CloudQuery53
EnterpriseSan Francisco, United States$18.5M
Open-source data integration platform for security and infrastructure teams.
Open source · Self-hostable
Puck52
Endpoint SecurityUnited States
Open-source, AI-driven endpoint investigation tool for security teams.
Open source · Self-hostable
Velum Labs49
Machine LearningSan Francisco, United States$500K
Firewall that controls access to information across AI and humans
Open source · Self-hostable
Signal9
MessagingWashington, United States
End-to-end encrypted messaging and voice calling app focused on privacy and security.
Open source
Whonix9
Operating System
A free, open-source, and hardened Linux distribution for advanced anonymity and security online.
Open source

Company	Sector	License	HQ	Funding	Score
Logz.ioLogz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.	Enterprise	Open source · Self-hostable	Tel Aviv, Israel	$132.0M	63
CloudQueryOpen-source data integration platform for security and infrastructure teams.	Enterprise	Open source · Self-hostable	San Francisco, United States	$18.5M	53
PuckOpen-source, AI-driven endpoint investigation tool for security teams.	Endpoint Security	Open source · Self-hostable	United States	—	52
Velum LabsFirewall that controls access to information across AI and humans	Machine Learning	Open source · Self-hostable	San Francisco, United States	$500K	49
SignalEnd-to-end encrypted messaging and voice calling app focused on privacy and security.	Messaging	Open source	Washington, United States	—	9
WhonixA free, open-source, and hardened Linux distribution for advanced anonymity and security online.	Operating System	Open source	—	—	9