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Security
Open source

Open-source Security

47 of 51 Security companies publish their source under an open-source license

Type

All51Open in name18

Categories

All categories AI & ML102 Developer Tools67 Infrastructure & Cloud54 Databases & Data96 Security51 Observability20 Analytics26 Productivity42 Design & Media31 Communication25 Commerce13 Fintech22 Web321 Health15 Education41 Hardware & IoT27 Real Estate4 Consumer10 Government & Nonprofit26 Other6

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47 companies

Companies

A
Akto
No. 0012
Open-source API security platform
SecurityMITest. 2022
Open source
A
Authentik Security
No. 0031
Open-source identity provider for SSO and access management
SecurityMITest. 2022
Open source
B
Better Auth
No. 0041
Comprehensive authentication framework for TypeScript
SecurityMITest. 2024
Open source
B
Bitwarden
No. 0042
Open-source password manager for individuals and businesses
SecurityGPL-3.0est. 2015
Open source
C
Cerbos
No. 0056
Open-source authorization layer for fine-grained access control
SecurityApache-2.0est. 2021
Open source
C
CrowdSec
No. 0082
Crowdsourced, open-source intrusion prevention
SecurityMITest. 2020
Open source
D
Deciso
No. 0094
Company behind OPNsense firewall and routing platform
SecurityBSD-2-Clause
Open source
D
DefectDojo
No. 0098
Open-source vulnerability management and DevSecOps platform
SecurityBSD-3-Clauseest. 2017
Open source
F
Firezone
No. 0131
Zero-trust access platform built on WireGuard
SecurityApache-2.0est. 2021
Open source
F
Fleet
No. 0133
Open-source device management for IT and security teams
SecurityMITest. 2020
Open source
H
Hanko
No. 0150
Open-source authentication and user management with passkeys
SecurityAGPL-3.0est. 2018
Open source
I
Infisical
No. 0169
Open-source secrets, certificate and privileged access management
SecurityMITest. 2022
Open source
L
Logto
No. 0212
Auth infrastructure for SaaS and AI apps
SecurityMPL-2.0est. 2021
Open source
M
Mullvad
No. 0238
Privacy-focused VPN with open-source apps
SecurityGPL-3.0est. 2009
Open source
N
NetBird
No. 0245
WireGuard-based overlay network and zero-trust access
SecurityBSD-3-Clauseest. 2022
Open source
P
Open Policy Agent
No. 0318
General-purpose policy engine for cloud-native stacks
Securityest. 2016
Open sourceOpen in name
B
OpenBao
No. 0360
Open-source secrets management, fork of HashiCorp Vault
Securityest. 2023
Open sourceOpen in name
C
OpenCVE
No. 0383
Vulnerability intelligence and CVE alerting platform
Security
Open sourceOpen in name
F
OpenFGA
No. 0400
Fine-grained authorization system inspired by Google Zanzibar
Securityest. 2022
Open sourceOpen in name
G
Opengrep
No. 0405
Open-source static analysis engine, fork of Semgrep
Securityest. 2025
Open sourceOpen in name
I
OpenID Foundation
No. 0410
Standards body behind OpenID Connect
Securityest. 2007
Open sourceOpen in name
L
OpenLDAP
No. 0417
Open-source implementation of the LDAP directory protocol
Securityest. 1998
Open sourceOpen in name
S
OpenSecret
No. 0468
Encrypted backend platform for private AI apps
Security
Open sourceOpen in name
S
OpenSSF
No. 0484
Open Source Security Foundation for software supply-chain security
Securityest. 2020
Open sourceOpen in name

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