Apache Tomcat
open-source
Open-source Java servlet container and web server for deploying Java-based web applications.
Best application server software for small business in 2026
Small businesses need application server software that works without a dedicated IT team: fast setup, transparent pricing, and enough depth to handle real operational needs without the complexity tax of enterprise platforms. The options below fit teams under 100 users most closely.
No product in this category matches the small business filter yet, so all 8 are listed below.
Back to all Application Server Software tools, or browse the full software directory. You can also run head-to-head comparisons or read about our review methodology.
For background on scoring, see how rankings work. Our editorial articles add deeper analysis, the glossary clarifies vendor terminology, and our calculators help estimate ROI before the shortlist narrows further.
All application server software
Nothing in this category met the small business filter, so the full application server software category is listed here instead.
GlassFish
open-source
Open-source Jakarta EE-compliant application server for enterprise Java workloads.
Gunicorn
open-source
Python WSGI HTTP server for running Django and Flask applications in production.
Microsoft IIS
subscription
Windows-native web server for hosting ASP.NET, PHP, and static sites with deep Windows Server integration.
Nginx
freemium
High-performance web server, reverse proxy, and load balancer with a commercial Plus tier.
Puma
open-source
Concurrent Ruby HTTP server designed for speed and parallelism in Rails and Rack applications.
Uvicorn
open-source
Lightning-fast ASGI server for Python async frameworks like FastAPI and Starlette.
WildFly
open-source
Open-source Jakarta EE application server, the community upstream of Red Hat JBoss EAP.
Common questions about application server software for small business
What should small businesses look for in application server software?
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Transparent pricing with no "contact sales" gate, deployment measured in days rather than months, low administrative overhead, and enough automation to compensate for a small team. Avoid platforms that require dedicated admins or charge per-feature add-ons.
How much should a small business expect to pay for application server software?
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Pricing in this category varies widely by vendor and by what is counted (users, endpoints, or devices). Check each product's own pricing page for the current rate, and confirm which features sit behind paid add-ons before comparing totals.
Can small business application server software scale as the company grows?
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Check the pricing curve rather than the entry price. Some products that are cheap at ten users become expensive at a hundred, and some free tiers end at a hard cap that forces a migration instead of an upgrade.