Free Nikto alternatives: 4 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

4 of the 5 Nikto alternatives we track can be used for free (free, open source, or with a free plan). ZAP, Burp Suite and sqlmap rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#	App	Pricing	Verified price	Open source	Platforms	Verified facts	Score
1	ZAP	Open source	—	Yes	Windows, macOS, Linux	4 of 4	68.8
2	Burp Suite	Free plan + paid	$499 (Burp Suite Professional)	No	Windows, macOS, Linux	7 of 7	64.8
3	sqlmap	Open source	—	Yes	Windows, macOS, Linux	4 of 4	59.4
4	Caido	Free plan + paid	—	No	Windows, macOS, Linux	4 of 4	57.5

1. ZAPTop pick
Best for: Developers and AppSec teams who want free automated web scanning, including in CI
Open sourceWindows, macOS, Linux
68.8
score / 100
Why switch from Nikto
Free open-source scanner and proxy that also crawls and actively tests the application itself.
Pros
Free and open source, with the automated scanner included
Docker images and automation framework for CI pipelines
Add-on marketplace extends it
Cons
Interface is dated and busier than Burp or Caido
Windows and Linux builds need Java 17 or newer installed
Releases are unsigned, so operating systems show warnings on install
Visit ZAP Details and reviews
How this score is calculated
Editorial fit ×0.3100
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is ZAP a good Nikto alternative?
Verified facts
4 of 4 verified
Price
Free and open source
Checked Nov 8, 2026zaproxy.org(opens source in a new tab)
License
Apache-2.0
Checked Oct 30, 2026github.com(opens source in a new tab)
Platforms
Windows, Linux, macOS, Docker
Checked Nov 8, 2026zaproxy.org(opens source in a new tab)
Requirements
Java 17+ on Windows and Linux
Checked Nov 8, 2026zaproxy.org(opens source in a new tab)
2. Burp Suite
Best for: Pentesters and bug bounty hunters doing hands-on web application testing
Free plan + paidWindows, macOS, Linux
64.8
score / 100
Why switch from Nikto
The standard web pentest proxy, with a paid scanner that goes far deeper into app logic.
Pros
Industry-standard proxy, Repeater and Intruder workflow
Free Community Edition for learning and manual testing
Large extension library and free training from PortSwigger
Cons
The scanner and full-speed Intruder require the paid Professional licence
Community Edition can't save projects
Java-based UI can be heavy on memory during big tests
Visit Burp Suite Details and reviews
How this score is calculated
Editorial fit ×0.387
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Burp Suite a good Nikto alternative?
Verified facts
7 of 7 verified
Free edition
Community Edition
Checked Nov 8, 2026portswigger.net(opens source in a new tab)
Pro-only features
Project files, full Intruder, vulnerability scanner
Checked Nov 8, 2026portswigger.net(opens source in a new tab)
Billing
Yearly licence terms
Checked Nov 8, 2026portswigger.net(opens source in a new tab)
Owner
PortSwigger Ltd
Checked Nov 8, 2026portswigger.net(opens source in a new tab)
Starting price
$499 (Burp Suite Professional)
Checked Nov 8, 2026portswigger.net(opens source in a new tab)
Free plan
Yes, Community Edition
Checked Nov 8, 2026portswigger.net(opens source in a new tab)
Free trial
Yes (Professional)
Checked Nov 8, 2026portswigger.net(opens source in a new tab)
3. sqlmap
Best for: Pentesters and security teams confirming and measuring SQL injection risk during authorised tests
Open sourceWindows, macOS, Linux
59.4
score / 100
Why switch from Nikto
Free tool for the next step: confirming and exploiting SQL injection Nikto can't test.
Pros
Free and open source under GPLv2
Supports 40+ database backends and five injection techniques
Goes beyond detection to show real impact through enumeration and data extraction
Extensive documentation covering every option
Cons
Command line only, no graphical interface
Only covers SQL injection, not other web vulnerability classes
Can be noisy and heavy on target systems if options aren't tuned
Visit sqlmap Details and reviews
How this score is calculated
Editorial fit ×0.369
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is sqlmap a good Nikto alternative?
Verified facts
4 of 4 verified
License
GPLv2 (commercial licence available)
Checked Nov 8, 2026sqlmap.org(opens source in a new tab)
Supported databases
40+
Checked Nov 8, 2026sqlmap.org(opens source in a new tab)
Injection techniques
5
Checked Nov 8, 2026sqlmap.org(opens source in a new tab)
Status
Actively maintained
Checked Nov 2, 2026github.com(opens source in a new tab)
4. Caido
Best for: Bug bounty hunters and pentesters who want a faster, lighter Burp-style proxy
Free plan + paidWindows, macOS, Linux
57.5
score / 100
Why switch from Nikto
Modern web security proxy with a GUI, for manual testing beyond server checks.
Pros
Free plan includes all core HTTP tools
HTTPQL makes filtering large traffic histories quick
Headless, API-first design suits automation
Cons
Free plan caps projects, workflows and plugins
Smaller plugin ecosystem than Burp Suite
AI assistant and backups require a paid plan
Visit Caido Details and reviews
How this score is calculated
Editorial fit ×0.363
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Caido a good Nikto alternative?
Verified facts
4 of 4 verified
Free plan
Yes, 2 projects and 7 workflows
Checked Nov 8, 2026caido.io(opens source in a new tab)
Filtering
HTTPQL query language
Checked Nov 8, 2026caido.io(opens source in a new tab)
AI providers
Bring your own model
Checked Nov 8, 2026caido.io(opens source in a new tab)
Team plan
Up to 50 seats, shared instance
Checked Nov 8, 2026caido.io(opens source in a new tab)

Quick comparison

1. ZAPTop pick

Pros

Cons

Verified facts

2. Burp Suite

Pros

Cons

Verified facts

3. sqlmap

Pros

Cons

Verified facts

4. Caido

Pros

Cons

Verified facts