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Tools · web app servers · Alternatives

Microsoft IIS alternatives

As of 5 November 2026, 21 web app servers are named by companies instead of Microsoft IIS: Apache HTTP Server by 1,630 companies, NGINX by 1,228, Apache Tomcat by 1,132.

As of 5 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Microsoft IIS, companies in postings
1,297
Most used alternative
Apache HTTP Server · 1,630
Fastest hiring, 90 days
Apache HTTP Server
Alternatives ranked
21
Catalogue
T-1.0.1-prov
01Ranked by evidence

web app servers companies choose instead of Microsoft IIS

Companies naming each tool in their own postings, and postings in the last 90 days. Bars are relative to the category leader.

#AlternativeCompaniescompaniesvs Microsoft IISpostings, 90 dCompare
1
Apache HTTP ServerApache Software Foundation
1,630126%3,163Microsoft IIS vs Apache HTTP Server →
2
1,22895%2,476Microsoft IIS vs NGINX →
3
Apache TomcatApache Software Foundation
1,13287%2,209Microsoft IIS vs Apache Tomcat →
4
JBossRed Hat
58745%1,185Microsoft IIS vs JBoss →
5
56343%1,328Microsoft IIS vs Oracle WebLogic Server →
6
43634%1,195Microsoft IIS vs IBM WebSphere →
7
27021%509Microsoft IIS vs Envoy Proxy →
8
HAProxyHAProxy Technologies
23718%448Microsoft IIS vs HAProxy →
9
WildFlyRed Hat
15612%319Microsoft IIS vs WildFly →
10
Varnish CacheVarnish Software
1018%168soon
11
998%213soon
12
TraefikTraefik Labs
816%124soon
13
Eclipse JettyEclipse Foundation
705%66soon
14
JBoss EAPRed Hat
524%99soon
15
GlassFishEclipse Foundation
353%48soon
16
GunicornGunicorn project
322%38soon
17
SquidSquid Project
322%73soon
18
PM2Keymetrics
272%49soon
19
Uvicorn
272%41soon
20
Oracle TuxedoOracle
232%51soon
21
Oracle Application ServerOracle
171%28soon
8,132 companies name a web app server in their postings.

Filter on any of them, or on Microsoft IIS users who also name an alternative, and open the person who owns the stack.

Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

21 web app servers are named by companies instead of Microsoft IIS: Apache HTTP Server by 1,630 companies, NGINX by 1,228, Apache Tomcat by 1,132, measured from their own job postings. (Breaknorm, 5 November 2026, https://breaknorm.co/tools/microsoft-iis/alternatives)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • RankingCompanies whose own postings name the tool as the team's system, from the Breaknorm technology catalogue T-1.0.1-prov. Editions are folded into their parent product.
  • 90-day postingsOpen postings first seen or posted in the last 90 days that name the tool.
  • Not includedRatings, prices, feature claims, sponsored positions.
FAQ

Microsoft IIS alternatives: questions

What is the most used alternative to Microsoft IIS?

Apache HTTP Server: 1,630 companies name it in their own job postings, against 1,297 for Microsoft IIS.

How is this list ranked?

By the number of companies whose own postings name the tool as the team's system (Breaknorm technology catalogue T-1.0.1-prov), then by postings in the last 90 days. No ratings, no vendor input, no sponsored positions.

Does this say which is better?

No. It says who uses what, by company size, industry and country, so you can see which tools companies like yours choose. For features and prices, read the vendors.

Can I get the companies on any of these?

Yes: click the tool, see the first 20 companies, and sign up for the full list with verified e-mails. Counting is free.

Companies and people

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Every company on Microsoft IIS
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