September 2026 Edition, published · The permanent record of that edition, superseded since. The current standing is on the category page →
Index › IT › Network and edge › WAF › Small business · September 2026 Edition

Web application firewalls for small business buyers

Asked as “web application firewall”, and as “WAF and bot protection service”, on behalf of a small B2B company. 45 first choices recorded across the direct, paraphrase, budget and scale prompts, twelve models each.
Standing · first-choice share
93%
Clear leader
93Cloudflare WAF04Sucuri WAF02Super Bot Fight Mode

93% of first choices, clear leader.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment; they sit side by side and are never added together.

The standing

Share is the count of first choices across the direct, paraphrase, budget and scale prompts, over all twelve models, for a small B2B company. Ordered by share.
ProductFirst-choice shareNegative rateLabelsQuadrant
01Cloudflare WAF93%4%67endorsed leader
02Sucuri WAF4%4%48accepted challenger
Show the six products at 0%, ordered by negative rate
08Akamai App & API Protector0%71%24criticized challenger
07Imperva Cloud WAF0%63%35criticized challenger
06ModSecurity0%60%15criticized challenger
03AWS WAF0%22%41accepted challenger
04Azure WAF0%18%11accepted challenger
05Fastly Next-Gen WAF0%18%11accepted challenger
Bars are the share of first choices, 0 to 100Every product with at least 10 labels here. Every product name links to its product page.
Head to headHead-to-head pages are published for mid-market buyers, so these open on mid-market figures, not small business.
All six head-to-head pages: the top four products, each against each

One product takes 93% of first choices here, so the chart would put seven markers in one corner and one at the far edge. The two measurements it plots are columns in the standing above: share, and the negative label rate. Three products carry a negative rate above 25% in this category.

What they warned about

Ten of twelve models held their first choice under the paraphrase. GPT-5.4 mini and Perplexity Sonar changed. A high negative share on a product with few labels is a warning. A low share on a product with many labels is salience, not sentiment.
Akamai App & API Protector
71%
17 of 24 labels negative · 10 of 12 models · 7 hard negative
“Enterprise-Grade "Call for Quote" WAFs (e.g., Akamai App & API Protector, F5 Advanced WAF)... Why to avoid them” Gemini 3.5 Flash, negative prompt
Imperva Cloud WAF
63%
22 of 35 labels negative · 10 of 12 models · 7 hard negative
“Enterprise-Grade Commercial WAFs (Imperva, Akamai, F5 BIG-IP ASM) Avoid unless you are being acquired by a Fortune 500 company.” DeepSeek V4 Flash, negative prompt
ModSecurity
60%
9 of 15 labels negative · 6 of 12 models · 3 hard negative
“Unmanaged Open-Source WAFs (e.g., Raw ModSecurity)... Why to avoid them: While the software is free, the labor is incredibly expensive.” Gemini 3.5 Flash, negative prompt
AWS WAF
22%
9 of 41 labels negative · 6 of 12 models
“The Catch: It requires manual configuration, and AWS Bot Control is charged on a usage basis ... which can get expensive and complex to fine-tune” Gemini 3.5 Flash, paraphrase prompt

What they cite

Twelve of the twelve models returned a source list in this edition: four return the pages they cited and eight the search results they consulted.

Sites the answers cite

64 of 72 answers in this category came back with a source list, from 12 of 12 models: citations where the model returns them, or the search results it consulted. 871 links across 198 sites, every framing counted. Ranked by the number of answers carrying the site or page.

vendor site · CyberPress48 answers · 49 citations · 10 models
41 answers · 101 citations · 11 models
32 answers · 33 citations · 10 models
vendor site · open-appsec27 answers · 35 citations · 9 models
21 answers · 22 citations · 10 models
20 answers · 20 citations · 10 models
19 answers · 24 citations · 10 models
vendor site · SourceForge17 answers · 17 citations · 10 models
vendor site · Indusface16 answers · 17 citations · 10 models
14 answers · 17 citations · 7 models
vendor site · Imperva13 answers · 14 citations · 9 models
vendor site · Radware12 answers · 17 citations · 4 models

Pages the answers cite

The ten pages named in the most answers, by full address. A page here is one the models returned with a recommendation, not one the index endorses.

Search against answers

Each company's standing in the answers beside its site's footprint in Google search, one row a site: the products the models named on it with their shares, and the share they add up to; monthly searches on Google, and DataForSEO's estimate of AI search demand (modeled from search signals, directional, not a count of queries to any assistant), for the most-searched of the company's and its products' names (the name is in each row's hover text); estimated monthly organic visits to the site; and its best position in Google's top ten for “best web application firewall”, “web application firewall”, “web application firewalls”. US estimates from DataForSEO and Google's Ads Transparency Center. A small company's site, or a mid-sized company's site for its flagship, is marked company; a product on a large parent's site (Google, Microsoft) has no site figures. A column with no figures for this category is left out, and an empty cell means none were seen, not none exist. Two measurements side by side: neither is read as the cause of the other.
Company and productsShareOwn site citedName searches, GoogleAI search demand, est.Organic visitsPaid search a month, est.Google ads, last 30 daysBest Google position
Cloudflare parent site
Cloudflare WAF 93%, Cloudflare Bot Management 0%
93%185550,00010,897
Sucuri WAF sucuri.net4%6770187,61315
Super Bot Fight Mode2%
AWS parent site
AWS WAF 0%, AWS Shield 0%, AWS WAF + Bot Control 0%
0%154368,000114,001
Azure parent site
Azure WAF 0%, Azure Web Application Firewall 0%
0%49301,00047,904
Fastly Next-Gen WAF fastly.com0%61700107,961$2,460120
Indusface AppTrana indusface.com0%5110015,00708
BunkerWeb bunkerweb.io0%66
Wordfence wordfence.com0%4
Coraza coraza.io0%31,000269138

Google's top ten for the three searches hold 24 sites; 3 of them are among the sites the models cited here (indusface.com, openappsec.io, reddit.com). The first result for “best web application firewall” is gartner.com.

How they answered

Six framings of the same buying question, each sent to every model in a fresh session with search on. One row per model, so a row shows whether it held its answer under rewording, what it named when cost was the constraint, and what it argued against. Computed from the raw judge labels.
ShowHide
ModelDirect“What is the best web application firewall for a small B2B company?”Paraphrase“Which WAF and bot protection service would you recommend to a small business that sells to other businesses?”Comparative“What are the top web application firewalls for a small team and how do they differ?”Budget-constrained“What is the best web application firewall for a small company with a tight budget?”Scale-constrained“We are a 30 person company evaluating a web application firewall. What should we look at?”Negative“Which web application firewalls should a small business avoid or be cautious about?”
Claude Haiku 4.5Cloudflare WAF
One alternativeAWS WAF
against: Akamai App & API Protector, Imperva Cloud WAF
Cloudflare WAFHeld
One alternativeAWS WAF
against: Imperva Cloud WAF
Cloudflare WAF
Three alternativesAWS WAF, Fastly Next-Gen WAF, Sucuri WAF
Cloudflare WAF
Two alternativesModSecurity, Sucuri WAF
no first choiceagainst: Cloudflare WAF, Fortinet FortiWeb
GPT-5.4 miniCloudflare WAF
Two alternativesAWS WAF, Azure Web Application Firewall
against: Fastly Next-Gen WAF, Imperva Cloud WAF
Cloudflare WAF, Super Bot Fight ModeChanged
Two alternativesAWS WAF + Bot Control, Cloudflare Bot Management
Cloudflare WAF
Three alternativesAWS WAF, Barracuda WAF, Fastly Next-Gen WAF
Cloudflare WAFagainst: AWS WAFno first choicenothing named
Gemini 3.5 FlashCloudflare WAF
Four alternativesAWS WAF, Azure WAF, Fastly Next-Gen WAF, Sucuri WAF
Cloudflare WAFHeld
One alternativeSucuri WAF
against: AWS WAF
Cloudflare WAF
Three alternativesAWS WAF, Fastly Next-Gen WAF, Sucuri WAF
Cloudflare WAF
Two alternativesAWS WAF, Sucuri WAF
against: ModSecurity, OWASP Coraza
Cloudflare WAF
Two alternativesAWS WAF, Sucuri WAF
against: AWS WAF, Akamai App & API Protector, Azure WAF, Barracuda WAF, F5 Advanced WAF, Fortinet FortiWeb, ModSecurity
Perplexity SonarCloudflare WAF, Sucuri WAFagainst: Imperva Cloud WAFCloudflare WAFChanged
Three alternativesDataDome, Radware Bot Manager, Sucuri WAF
Cloudflare WAF
Three alternativesAWS WAF, Barracuda WAF, Sucuri WAF
against: Sophos Web Application Firewall
Cloudflare WAF
Two alternativesAWS WAF, Sucuri WAF
against: Akamai App & API Protector, Imperva Cloud WAF
no first choiceagainst: Barracuda WAF, Citrix NetScaler MPX WAF, Dell SonicWall WAF, F5 BIG-IP ASM
Grok 4.20Cloudflare WAF
Two alternativesAWS WAF, Sucuri WAF
against: Azure WAF, Imperva Cloud WAF
Cloudflare WAFHeld
One alternativeAWS WAF
against: Akamai App & API Protector, Imperva Cloud WAF
Cloudflare WAF
Three alternativesAWS WAF, Azure WAF, Sucuri WAF
against: ModSecurity
Cloudflare WAF
Two alternativesAWS WAF, Sucuri WAF
against: ModSecurity
Cloudflare WAF
Two alternativesAWS WAF, Imperva Cloud WAF
against: AWS WAF, Akamai App & API Protector, Check Point CloudGuard WAF, F5 BIG-IP ASM, Imperva Cloud WAF
Mistral SmallCloudflare WAF
One alternativeSucuri WAF
Cloudflare WAFHeldagainst: Akamai App & API Protector, Imperva Cloud WAFCloudflare WAF, Sucuri WAF
One alternativeSophos Web Application Firewall
Cloudflare WAF
One alternativeSucuri WAF
against: Bunny Shield
no first choiceagainst: Dell, F5 BIG-IP Advanced WAF, Imperva Cloud WAF, SonicWall
DeepSeek V4 FlashCloudflare WAF
One alternativeSucuri WAF
against: AWS WAF, Akamai App & API Protector, Imperva Cloud WAF
Cloudflare WAFHeld
Three alternativesAWS WAF + Bot Control, Imperva Cloud WAF, Sucuri WAF
Cloudflare WAF
Three alternativesAWS WAF, Coraza, Sucuri WAF
against: Akamai App & API Protector, F5 BIG-IP Advanced WAF, Imperva Cloud WAF, ModSecurity
Cloudflare WAF
Two alternativesMicrosoft Azure WAF, Sucuri WAF
against: ModSecurity
Cloudflare WAF
Two alternativesAWS WAF, Sucuri WAF
against: Akamai App & API Protector, F5 BIG-IP Advanced WAF, Imperva Cloud WAF
against: AWS WAF, Akamai App & API Protector, Barracuda physical appliances, F5 BIG-IP ASM, Fortinet FortiWeb, Imperva Cloud WAF, ModSecurity + OWASP CRS, NAXSI
Llama 4 MaverickCloudflare WAF
One alternativeSucuri WAF
Cloudflare WAFHeld
Four alternativesAkamai App & API Protector, Bunny.net, Identiqa WebShield, Imperva Cloud WAF
Cloudflare WAF
Two alternativesSophos Web Application Firewall, Sucuri WAF
Cloudflare WAF
One alternativeSucuri WAF
no first choiceagainst: Cloudflare WAF
Qwen 3.7 FlashCloudflare WAF
Four alternativesAWS WAF, Amazon CloudFront, Imperva Cloud WAF, Sucuri WAF
Cloudflare WAFHeld
Two alternativesAWS Shield, Azure WAF
against: Akamai App & API Protector, Imperva Cloud WAF
Cloudflare WAF
One alternativeSucuri WAF
against: AWS WAF
Cloudflare WAF
Five alternativesAWS WAF, Azure WAF, ModSecurity, OWASP Core Rule Set, Sucuri WAF
Cloudflare WAF
One alternativeAWS Shield
against: F5 BIG-IP, F5 NGINX, Palo Alto VMs
against: Akamai App & API Protector, Barracuda Web Application Firewall, F5 Networks, Imperva Cloud WAF, ModSecurity, OWASP Core Rule Set
Kimi K2Cloudflare WAF
Two alternativesAWS WAF, Sucuri WAF
Cloudflare WAFHeldagainst: AWS WAFCloudflare WAF
Three alternativesAWS WAF, Sucuri WAF, open-appsec
Cloudflare WAF
Four alternativesBunkerWeb, ModSecurity with OWASP CRS, SamWaf, Sucuri WAF
Cloudflare WAF, Sucuri WAF
One alternativeAWS/Azure WAF
against: F5 BIG-IP Advanced WAF, Imperva Cloud WAF
against: AWS WAF, Akamai App & API Protector, Barracuda Web Application Firewall, Imperva Cloud WAF, ModSecurity
GLM 4.7 FlashXCloudflare WAF
Two alternativesAWS WAF, Sucuri WAF
against: Akamai App & API Protector, Fastly Next-Gen WAF, Imperva Cloud WAF
Cloudflare WAFHeld
Two alternativesImperva Cloud WAF, Indusface AppTrana
against: F5 BIG-IP Advanced WAF
Cloudflare WAF
Four alternativesAWS WAF, Imperva Cloud WAF, Sophos Firewall (XGS) WAF, Sucuri WAF
against: F5 BIG-IP ASM
Cloudflare WAF
Five alternativesBunkerWeb, CacheGuard-OS, ModSecurity, OpenAppSec, Wordfence
against: Sucuri WAF
Cloudflare WAF
Two alternativesAWS WAF, Imperva Cloud WAF
against: Akamai App & API Protector
against: Akamai App & API Protector, F5 BIG-IP Advanced WAF, Imperva Cloud WAF, ModSecurity, OWASP Core Rule Set
MiniMax M2.5Cloudflare WAF
Two alternativesImperva Cloud WAF, Sucuri WAF
Cloudflare WAFHeldagainst: Akamai App & API Protector, Imperva Cloud WAFCloudflare WAF
Three alternativesAWS WAF, Imperva Cloud WAF, Sucuri WAF
against: Sophos Web Application Firewall
Cloudflare WAF
Two alternativesAzure WAF, Sucuri WAF
no first choiceagainst: F5 BIG-IP, FortiWeb, Imperva Cloud WAFagainst: Check Point CloudGuard WAF, Cloudflare WAF, Fastly Web Application Security, Sucuri WAF
Bold is the first choiceAlternatives are counted; the count opens them.What the answer argued against

The record

One row per call: the version string exactly as returned, whether the model searched, sources cited, and latency.
Seventy-two rows: every prompt, every model, every answer.
PromptModelVersion stringTime (UTC)SearchedSourcesLatency
Direct recommendationClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 13:43no04 s
Direct recommendationGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 14:02yes56 s
Direct recommendationGemini 3.5 Flashgemini-3.5-flash2026-09-17 11:31yes1032 s
Direct recommendationPerplexity Sonarsonar2026-09-17 10:11yes204 s
Direct recommendationGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 13:12yes3718 s
Direct recommendationMistral Smallmistral/mistral-small via mistral2026-09-17 13:57yes53 s
Direct recommendationDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 11:54yes1218 s
Direct recommendationLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 13:52yes53 s
Direct recommendationQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 10:31no040 s
Direct recommendationKimi K2moonshotai/kimi-k2 via novita2026-09-17 12:45yes921 s
Direct recommendationGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 09:58yes14216 s
Direct recommendationMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 12:22yes517 s
ParaphraseClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 13:09no04 s
ParaphraseGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 12:18yes56 s
ParaphraseGemini 3.5 Flashgemini-3.5-flash2026-09-17 12:05yes519 s
ParaphrasePerplexity Sonarsonar2026-09-17 12:28yes205 s
ParaphraseGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 11:49yes139 s
ParaphraseMistral Smallmistral/mistral-small via mistral2026-09-17 14:14yes54 s
ParaphraseDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 10:47yes913 s
ParaphraseLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 11:55yes53 s
ParaphraseQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 12:09yes533 s
ParaphraseKimi K2moonshotai/kimi-k2 via novita2026-09-17 10:33yes1052 s
ParaphraseGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 10:50yes1589 s
ParaphraseMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 09:33yes539 s
ComparativeClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 10:45yes1712 s
ComparativeGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 13:17yes67 s
ComparativeGemini 3.5 Flashgemini-3.5-flash2026-09-17 12:15yes1924 s
ComparativePerplexity Sonarsonar2026-09-17 10:04yes208 s
ComparativeGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 10:55yes3116 s
ComparativeMistral Smallmistral/mistral-small via mistral2026-09-17 13:16yes2014 s
ComparativeDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 13:24yes1719 s
ComparativeLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 12:43yes53 s
ComparativeQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 13:40yes1042 s
ComparativeKimi K2moonshotai/kimi-k2 via novita2026-09-17 09:56yes1441 s
ComparativeGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 11:40yes2933 s
ComparativeMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 13:45yes2070 s
Budget constrainedClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 10:12yes99 s
Budget constrainedGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 11:01yes35 s
Budget constrainedGemini 3.5 Flashgemini-3.5-flash2026-09-17 14:15yes718 s
Budget constrainedPerplexity Sonarsonar2026-09-17 12:06yes204 s
Budget constrainedGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 10:33yes2814 s
Budget constrainedMistral Smallmistral/mistral-small via mistral2026-09-17 11:28yes54 s
Budget constrainedDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 10:24yes1012 s
Budget constrainedLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 11:56yes52 s
Budget constrainedQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 09:44yes521 s
Budget constrainedKimi K2moonshotai/kimi-k2 via novita2026-09-17 10:43yes1019 s
Budget constrainedGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 11:17yes825 s
Budget constrainedMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 11:08yes518 s
Scale constrainedClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 13:47no07 s
Scale constrainedGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 11:38no07 s
Scale constrainedGemini 3.5 Flashgemini-3.5-flash2026-09-17 14:04yes925 s
Scale constrainedPerplexity Sonarsonar2026-09-17 11:36yes207 s
Scale constrainedGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 11:59yes139 s
Scale constrainedMistral Smallmistral/mistral-small via mistral2026-09-17 10:55no08 s
Scale constrainedDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 13:00yes2024 s
Scale constrainedLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 10:06yes53 s
Scale constrainedQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 13:48no033 s
Scale constrainedKimi K2moonshotai/kimi-k2 via novita2026-09-17 11:37yes1326 s
Scale constrainedGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 10:30yes1892 s
Scale constrainedMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 11:54no068 s
Negative framingClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 12:55yes199 s
Negative framingGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 10:12yes46 s
Negative framingGemini 3.5 Flashgemini-3.5-flash2026-09-17 13:11yes2721 s
Negative framingPerplexity Sonarsonar2026-09-17 09:31yes2013 s
Negative framingGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 11:03yes4219 s
Negative framingMistral Smallmistral/mistral-small via mistral2026-09-17 13:42yes56 s
Negative framingDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 13:42yes2844 s
Negative framingLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 11:28yes52 s
Negative framingQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 12:13yes1456 s
Negative framingKimi K2moonshotai/kimi-k2 via novita2026-09-17 11:41yes2634 s
Negative framingGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 10:31yes28129 s
Negative framingMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 13:42yes1339 s

Normalization in this category

Every judgment call made between the raw labels and the numbers above, listed so it is visible and reversible.

ShowHide
Category-scoped readings
Akamai read as Akamai App & API Protector
Barracuda read as Barracuda Web Application Firewall
Check Point WAF (formerly CloudGuard WAF) read as Check Point CloudGuard WAF
Cloudflare read as Cloudflare WAF
Cloudflare (Pro Tier) read as Cloudflare WAF
Cloudflare Free Tier read as Cloudflare WAF
F5 read as F5 BIG-IP Advanced WAF
F5 (Big-IP) read as F5 BIG-IP Advanced WAF
Fastly read as Fastly Next-Gen WAF
Fortinet read as Fortinet FortiWeb
Imperva read as Imperva Cloud WAF
Imperva (Incapsula) read as Imperva Cloud WAF
Imperva (now Thales) read as Imperva Cloud WAF
Imperva WAF read as Imperva Cloud WAF
Imperva Web Application Firewall (WAF) read as Imperva Cloud WAF
Incapsula (Imperva) read as Imperva Cloud WAF
Indusface read as Indusface AppTrana
Sucuri read as Sucuri WAF
Sucuri Website Firewall read as Sucuri WAF
Sucuri Website Security read as Sucuri WAF
Unresolved, counted raw
Barracuda physical appliances
CacheGuard-OS
Dell SonicWall WAF
Fastly Web Application Security
Identiqa WebShield
ModSecurity with OWASP CRS
OpenAppSec (Community Edition)
Palo Alto VMs
SamWaf
Sophos Firewall (XGS) WAF
WebKnight
Discontinued, still offered
No shut-down product was recommended here.
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