Logo part 1
Logo part 2
Logo part 3
Logo part 4
AlternativeOSS
AlternativesCategories
GitHubTwitterSubmit
  1. Home
  2. Project Categories
  3. Security Tools

Security Tools

Open Source Alternatives

Find and compare the best open source alternatives to popular software tools. Get weekly recommendations in your inbox.

Vault faviconVault

Vault is a secure secrets management system that provides centralized control over sensitive data like passwords, API keys, and certificates.

32,995 stars
Last commit Aug 22, 2025

Brave Browser faviconBrave Browser

A privacy-focused web browser that blocks trackers and unwanted ads while rewarding users for their attention to privacy-respecting ads.

20,036 stars
Last commit Aug 23, 2025
mpl-2.0

Better Auth faviconBetter Auth

Better Auth is a comprehensive TypeScript authentication framework that simplifies user authentication and authorization across multiple platforms and frameworks.

19,456 stars
Last commit Aug 24, 2025
mit

Authentik faviconAuthentik

Authentik is a self-hosted, open-source identity provider that offers a secure alternative to third-party authentication services like Auth0 and Okta.

17,856 stars
Last commit Aug 24, 2025

Nuclei faviconNuclei

Nuclei is a fast, template-based vulnerability scanner that enables security professionals to create and execute precise vulnerability detection scenarios with zero false positives.

24,501 stars
Last commit Aug 23, 2025
mit

Trending Projects

Mail0
Mail0
Dub
Dub
Zen Browser
Zen Browser
Shadcn
Shadcn
Plausible
Plausible
Supabase
Supabase

Trending Categories

Self-Hosted

46

Alternatives

Developer Tools

30

Alternatives

Business Tools

16

Alternatives

DevOps Tools

16

Alternatives

Internal Tools

15

Alternatives

Content Creation

15

Alternatives

Low Code Platform

13

Alternatives

Collaboration Tools

11

Alternatives

API Management

11

Alternatives

Knowledge Management

10

Alternatives

Privacy Tools

10

Alternatives

Document Management

9

Alternatives

Trending Alternatives to:

Claude
Mixpanel
Google Analytics
GitHub Copilot
Cursor
Adobe Analytics
Tabnine
Windsurf
Amplitude
Kiro
Heap
Claude Code
Adobe
Notion
ChatGPT
Contentful

Built with 💚 by Pawel Boguta

Check out MCP Servers List

Featured onStartup Fame