Top 6 Open-Source Alternatives to Zscalar

Zscalar

Zscaler offers integrated, cloud-delivered Internet security including web security, firewalls, mobile security, IoT security and DLP.

The top open-source alternatives to Zscalar are Rapid7, ModSecurity, and Snyk. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Rapid7 Landing Page
1

Rapid7

Find security issues, verify vulnerability mitigations & manage security assessments with Metasploit. Get the world's best penetration testing software now. DownloadPen testing software to act like an attacker.
Pricing:
- Open Source
#Security #Security & Privacy #Web Application Security 1 social mentions
ModSecurity Landing Page
2

ModSecurity

ModSecurity is an Open Source web application firewall developed by Trustwave's SpiderLabs.
Pricing:
- Open Source
#Web Application Security #Security Monitoring #Security
Snyk Landing Page
3

Snyk

Snyk helps you use open source and stay secure. Continuously find and fix vulnerabilities for npm, Maven, NuGet, RubyGems, PyPI and much more.
Pricing:
- Open Source
#Security #Security Monitoring #Security CI 85 social mentions
Let's Encrypt Landing Page
4

Let's Encrypt

Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
Pricing:
- Open Source
#Identity And Access Management #Two Factor Authentication #Security & Privacy 312 social mentions
Pi-hole Landing Page
5

Pi-hole

Pi-hole is a multi-platform, network-wide ad blocker.
Pricing:
- Open Source
#Security & Privacy #Ad Blockers #Threat Detection And Prevention 1185 social mentions
Sumsub Landing Page
6

Sumsub

One verification platform to secure the whole user journey
Pricing:
- Open Source
- Paid
- Free Trial
#Identity Verification And Protection #Security #Identity Verification 8 social mentions