# Clang, Klocwork vs Checkmarx Comparison

| | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Star Rating** | 4.3 out of 5 | 4.4 out of 5 | 4.2 out of 5 | 
| **Total Reviews** | 16 | 23 | 36 | 
| **Largest Market Segment** | Small-Business (56.3% of reviews) | Mid-Market (50.0% of reviews) | Enterprise (53.1% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | No pricing available | 

---
## Top Pros & Cons

### Clang

**Not enough data**

### Klocwork

**Not enough data**

### Checkmarx

Pros:
- Implementation Ease (2 reviews)
- User Interface (2 reviews)

Cons:
- False Positives (1 reviews)
- Lacking Features (1 reviews)

---
## Ratings Comparison
| Rating | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
  | **Meets Requirements** | 9.7 (15 reviews) | 8.6 (19 reviews) | 8.6 (27 reviews) | 
  | **Ease of Use** | 8.2 (15 reviews) | 7.9 (19 reviews) | 8.2 (27 reviews) | 
  | **Ease of Setup** | Not enough data | 7.5 (8 reviews) | 7.7 (13 reviews) | 
  | **Ease of Admin** | Not enough data | 7.3 (8 reviews) | 7.9 (13 reviews) | 
  | **Quality of Support** | 8.3 (11 reviews) | 8.5 (19 reviews) | 8.3 (22 reviews) | 
  | **Has the product been a good partner in doing business?** | Not enough data | 8.1 (8 reviews) | 8.3 (12 reviews) | 
  | **Product Direction (% positive)** | 10.0 (15 reviews) | 8.7 (18 reviews) | 7.5 (23 reviews) | 

---
## Pricing

### Clang

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Klocwork

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Checkmarx

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

---
## Features Comparison By Category

### Static Application Security Testing (SAST)

| Product | Score | Reviews |
|---|---|---|
| **Clang** | N/A | N/A |
| **Klocwork** | N/A | N/A |
| **Checkmarx** | 7.8/10 | 6 |

#### Administration

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **API / Integrations** | Not enough data | Not enough data | 8.3 (5 reviews) | 
| **Extensibility** | Not enough data | Not enough data | 8.3 (5 reviews) | 

#### Analysis

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Reporting and Analytics** | Not enough data | Not enough data | 8.6 (6 reviews) | 
| **Issue Tracking** | Not enough data | Not enough data | 8.1 (6 reviews) | 
| **Static Code Analysis** | Not enough data | Not enough data | 8.3 (6 reviews) | 
| **Code Analysis** | Not enough data | Not enough data | 8.7 (5 reviews) | 

#### Testing

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Command-Line Tools** | Not enough data | Not enough data | 7.7 (5 reviews) | 
| **Manual Testing** | Not enough data | Feature Not Available | 7.3 (5 reviews) | 
| **Test Automation** | Not enough data | Feature Not Available | Not enough data | 
| **Compliance Testing** | Not enough data | Not enough data | Not enough data | 
| **Black-Box Scanning** | Not enough data | Not enough data | Not enough data | 
| **Detection Rate** | Not enough data | Not enough data | Not enough data | 
| **False Positives** | Not enough data | Not enough data | 5.3 (5 reviews) | 

#### Agentic AI - Static Application Security Testing (SAST)

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 

### Dynamic Application Security Testing (DAST)

| Product | Score | Reviews |
|---|---|---|
| **Clang** | N/A | N/A |
| **Klocwork** | N/A | N/A |
| **Checkmarx** | N/A | N/A |

#### Administration

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **API / Integrations** | Not enough data | Not enough data | Not enough data | 
| **Extensibility** | Not enough data | Not enough data | Not enough data | 

#### Analysis

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Reporting and Analytics** | Not enough data | Not enough data | Not enough data | 
| **Issue Tracking** | Not enough data | Not enough data | Not enough data | 
| **Static Code Analysis** | Not enough data | Not enough data | Not enough data | 
| **Vulnerability Scan** | Not enough data | Not enough data | Not enough data | 
| **Code Analysis** | Not enough data | Not enough data | Not enough data | 

#### Testing

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Manual Testing** | Not enough data | Not enough data | Not enough data | 
| **Test Automation** | Not enough data | Not enough data | Not enough data | 
| **Compliance Testing** | Not enough data | Not enough data | Not enough data | 
| **Black-Box Scanning** | Not enough data | Not enough data | Not enough data | 
| **Detection Rate** | Not enough data | Not enough data | Not enough data | 
| **False Positives** | Not enough data | Not enough data | Not enough data | 

### Continuous Integration

| Product | Score | Reviews |
|---|---|---|
| **Clang** | N/A | N/A |
| **Klocwork** | N/A | N/A |
| **Checkmarx** | N/A | N/A |

#### Functionality

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Integrations** | Not enough data | Not enough data | Not enough data | 
| **Extensibility** | Not enough data | Not enough data | Not enough data | 
| **Test Customization** | Not enough data | Not enough data | Not enough data | 

#### Management

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Automation** | Not enough data | Not enough data | Not enough data | 
| **Processes and Workflow** | Not enough data | Not enough data | Not enough data | 
| **Reporting** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Continuous Integration

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 

### Secure Code Review

| Product | Score | Reviews |
|---|---|---|
| **Clang** | N/A | N/A |
| **Klocwork** | N/A | N/A |
| **Checkmarx** | N/A | N/A |

#### Documentation

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Feedback** | Not enough data | Not enough data | Not enough data | 
| **Prioritization** | Not enough data | Not enough data | Not enough data | 
| **Remediation Suggestions** | Not enough data | Not enough data | Not enough data | 

#### Security

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **False Positives** | Not enough data | Not enough data | Not enough data | 
| **Custom Compliance** | Not enough data | Not enough data | Not enough data | 
| **Agility** | Not enough data | Not enough data | Not enough data | 

### Static Code Analysis

| Product | Score | Reviews |
|---|---|---|
| **Clang** | N/A | N/A |
| **Klocwork** | N/A | N/A |
| **Checkmarx** | N/A | N/A |

#### Agentic AI - Static Code Analysis

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 

### AI AppSec Assistants

| Product | Score | Reviews |
|---|---|---|
| **Clang** | N/A | N/A |
| **Klocwork** | N/A | N/A |
| **Checkmarx** | N/A | N/A |

#### Performance - AI AppSec Assistants

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Remediation** | Not enough data | Not enough data | Not enough data | 
| **Real-time Vulnerability Detection** | Not enough data | Not enough data | Not enough data | 
| **Accuracy** | Not enough data | Not enough data | Not enough data | 

#### Integration - AI AppSec Assistants

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Stack Integration** | Not enough data | Not enough data | Not enough data | 
| **Workflow Integration** | Not enough data | Not enough data | Not enough data | 
| **Codebase Contextual Awareness** | Not enough data | Not enough data | Not enough data | 

### Interactive Application Security Testing (IAST)

| Product | Score | Reviews |
|---|---|---|
| **Clang** | N/A | N/A |
| **Klocwork** | N/A | N/A |
| **Checkmarx** | N/A | N/A |

#### Agentic AI - Interactive Application Security Testing (IAST)

| Feature | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [Static Code Analysis Tools](https://www.g2.com/categories/static-code-analysis)


**Unique to Klocwork (4):** [Static Application Security Testing (SAST) Software](https://www.g2.com/categories/static-application-security-testing-sast), [Peer Code Review Software](https://www.g2.com/categories/peer-code-review), [Continuous Integration Tools](https://www.g2.com/categories/continuous-integration), [Secure Code Review Software](https://www.g2.com/categories/secure-code-review)

**Unique to Checkmarx (5):** [AI AppSec Assistants](https://www.g2.com/categories/ai-appsec-assistants), [Static Application Security Testing (SAST) Software](https://www.g2.com/categories/static-application-security-testing-sast), [Dynamic Application Security Testing (DAST) Software](https://www.g2.com/categories/dynamic-application-security-testing-dast), [Secure Code Review Software](https://www.g2.com/categories/secure-code-review), [Interactive Application Security Testing (IAST) Software](https://www.g2.com/categories/interactive-application-security-testing-iast)


---
## Reviewer Demographics

### By Company Size

| Segment | Clang | Klocwork | Checkmarx | 
|---|---|---|---|
| **Small-Business** | 56.3% | 31.8% | 18.8% | 
| **Mid-Market** | 25.0% | 50.0% | 28.1% | 
| **Enterprise** | 18.8% | 18.2% | 53.1% | 

### By Industry

#### Clang

- **Information Technology and Services:** 18.8%
- **Computer Software:** 18.8%
- **Information Services:** 12.5%
- **Banking:** 12.5%
- **Research:** 6.3%
- **Mechanical or Industrial Engineering:** 6.3%
- **Internet:** 6.3%
- **Industrial Automation:** 6.3%
- **Design:** 6.3%
- **Apparel & Fashion:** 6.3%

#### Klocwork

- **Information Technology and Services:** 31.8%
- **Defense & Space:** 18.2%
- **Automotive:** 13.6%
- **Financial Services:** 9.1%
- **Computer Software:** 9.1%
- **Telecommunications:** 4.5%
- **Semiconductors:** 4.5%
- **Program Development:** 4.5%
- **Industrial Automation:** 4.5%

#### Checkmarx

- **Computer Software:** 15.6%
- **Information Technology and Services:** 15.6%
- **Banking:** 9.4%
- **Computer & Network Security:** 9.4%
- **Automotive:** 6.3%
- **Investment Banking:** 3.1%
- **Internet:** 3.1%
- **International Trade and Development:** 3.1%
- **Insurance:** 3.1%
- **Legal Services:** 3.1%
- **Other:** 28.1%

---
## Alternatives

### Alternatives to Clang

- [SonarQube](https://www.g2.com/products/sonarqube/reviews) — 4.4/5 stars (141 reviews)
- [Coverity](https://www.g2.com/products/coverity/reviews) — 4.2/5 stars (55 reviews)
- [ReSharper C++](https://www.g2.com/products/resharper-c/reviews) — 4.6/5 stars (19 reviews)
- [Gearset DevOps](https://www.g2.com/products/gearset-devops/reviews) — 4.7/5 stars (292 reviews)
- [OpsPilot](https://www.g2.com/products/opspilot/reviews) — 4.8/5 stars (180 reviews)
- [Typo](https://www.g2.com/products/typo/reviews) — 4.6/5 stars (152 reviews)
- [Cppcheck](https://www.g2.com/products/cppcheck/reviews) — 4.6/5 stars (4 reviews)
- [ReSharper](https://www.g2.com/products/resharper/reviews) — 4.5/5 stars (84 reviews)
- [Mend.io](https://www.g2.com/products/mend-io/reviews) — 4.3/5 stars (112 reviews)
- [OpenText Static Application Security Testing](https://www.g2.com/products/opentext-static-application-security-testing/reviews) — 4.5/5 stars (24 reviews)

### Alternatives to Klocwork

- [SonarQube](https://www.g2.com/products/sonarqube/reviews) — 4.4/5 stars (141 reviews)
- [Coverity](https://www.g2.com/products/coverity/reviews) — 4.2/5 stars (55 reviews)
- [GitLab](https://www.g2.com/products/gitlab/reviews) — 4.5/5 stars (890 reviews)
- [GitHub](https://www.g2.com/products/github/reviews) — 4.7/5 stars (2347 reviews)
- [Bitbucket](https://www.g2.com/products/bitbucket/reviews) — 4.4/5 stars (1005 reviews)
- [Jenkins](https://www.g2.com/products/jenkins/reviews) — 4.4/5 stars (561 reviews)
- [Pantheon](https://www.g2.com/products/pantheon/reviews) — 4.4/5 stars (723 reviews)
- [CloudBees](https://www.g2.com/products/cloudbees/reviews) — 4.4/5 stars (622 reviews)
- [CircleCI](https://www.g2.com/products/circleci/reviews) — 4.4/5 stars (509 reviews)
- [Red Hat Ansible Automation Platform](https://www.g2.com/products/red-hat-ansible-automation-platform/reviews) — 4.6/5 stars (377 reviews)

### Alternatives to Checkmarx

- [Veracode Application Security Platform](https://www.g2.com/products/veracode-application-security-platform/reviews) — 3.8/5 stars (25 reviews)
- [SonarQube](https://www.g2.com/products/sonarqube/reviews) — 4.4/5 stars (141 reviews)
- [GitLab](https://www.g2.com/products/gitlab/reviews) — 4.5/5 stars (890 reviews)
- [GitHub](https://www.g2.com/products/github/reviews) — 4.7/5 stars (2347 reviews)
- [HCL AppScan](https://www.g2.com/products/hcl-appscan/reviews) — 4.1/5 stars (76 reviews)
- [Coverity](https://www.g2.com/products/coverity/reviews) — 4.2/5 stars (55 reviews)
- [OpenText Core Application Security](https://www.g2.com/products/opentext-core-application-security/reviews) — 4.1/5 stars (34 reviews)
- [Invicti (formerly Netsparker)](https://www.g2.com/products/invicti-formerly-netsparker/reviews) — 4.6/5 stars (69 reviews)
- [Snyk](https://www.g2.com/products/snyk/reviews) — 4.5/5 stars (132 reviews)
- [Mend.io](https://www.g2.com/products/mend-io/reviews) — 4.3/5 stars (112 reviews)

---
## Top Discussions

### Clang

No discussions available for this product.

### Klocwork

- Title: [How do i automate klocwork scanning ?](https://www.g2.com/discussions/36356-how-do-i-automate-klocwork-scanning) — 1 comment, 1 upvote
  > **Top comment:** "Hi Vikash,

Typically, Klocwork scans* these days are automated through CI/CD pipelines and as part of the overall DevOps infrastructure. This all started..."
- Title: [How do I integrate it in a linux make file](https://www.g2.com/discussions/30149-how-do-i-integrate-it-in-a-linux-make-file) — 1 comment
  > **Top comment:** "Hi Chris. There should be no need to 'integrate' with the makefile itself, the Klocwork kwinject tool will simply capture the build process by wrapping the..."

### Checkmarx

- Title: [What is Checkmarx used for?](https://www.g2.com/discussions/what-is-checkmarx-used-for) — 2 comments
  > **Top comment:** "Checkmarx is a static code analysis tool used for SAST (Static application security testing)"
- Title: [What is Checkmarx used for?](https://www.g2.com/discussions/checkmarx-what-is-checkmarx-used-for) — 1 comment, 1 upvote
  > **Top comment:** "Checkmarx is an ultimate tool for Static code scan and analysis through code vulnerability testing, SCA and secret detections. They have a prebuilt engine to..."
- Title: [Which testing method does Checkmarx support?](https://www.g2.com/discussions/which-testing-method-does-checkmarx-support) — 1 comment
  > **Top comment:** "Checkmarx does support all these testing methodologies -Sast, Dast, IAST, SCA "
- Title: [Does Checkmarx support DAST?](https://www.g2.com/discussions/does-checkmarx-support-dast) — 1 comment
  > **Top comment:** "You cannot test DAST Testing using Checkmarx"

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/clang-vs-klocwork-vs-checkmarx)