Best Open Source Security Tools

Open source security tools, ranked by score and analyzed honestly. Part of our Security & Auth coverage.

Ranked by score. Updated weekly.

1

Gitleaks

83

Find secrets with Gitleaks

27,804Gopermissive
2

Pi-hole

81

Network-wide ad blocking DNS

59,387Shellweak-copyleft
3

Infisical

81

Open source secret management platform

27,458TypeScriptpermissive
4

CrowdSec

81

Participative open-source security engine

13,983Gopermissive
5

Trivy

79

Vulnerability, misconfiguration, and secrets scanner

36,519Gopermissive
6

Falco

79

Cloud native runtime security

9,068C++permissive
7

SOPS

78

Simple and flexible tool for managing secrets

22,164Goweak-copyleft
8

maltrail

77

Malicious traffic detection system

8,503Pythonpermissive
9

Vaultwarden

76

Lightweight Bitwarden-compatible server

62,685Ruststrong-copyleft
10

SafeLine

76

21,544Gocopyleft
11

Modlishka

75

5,335Gopermissive
12

TruffleHog

73

Find and verify leaked credentials

26,832Gostrong-copyleft
13

bumblebee

73

Read-only developer endpoint scanner for on-disk package, extension, and developer-tool metadata, built to check exposure to known software supply-chain compromises.

4,559Gopermissive
14

leak-check

73

个人信息 “泄漏” 检测接口

3,915Pythonpermissive
15

deepsec

73

Deepsec is a security harness for finding vulnerabilities in your codebase powered by coding agents

3,215TypeScriptpermissive
16

Vault

71

Secrets management and encryption as a service

35,809Gosource-available
17

teller

71

3,215Rustpermissive
18

METATRON

71

AI-powered penetration testing assistant using local LLM on linux (Parrot OS)

3,074Pythonpermissive
19

cloudquery

70

Data pipelines for cloud config and security data. Build cloud asset inventory, CSPM, FinOps, and vulnerability management solutions. Extract from AWS, Azure, GCP, and 70+ cloud and SaaS sources.

6,441Goweak-copyleft
20

Passbolt

55

Passbolt Community Edition (CE) API. The JSON API for the open source password manager for teams!

5,985PHPstrong-copyleft

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