Top 12 Open-Source Alternatives to Javalin

Product categories

API Tools Backend Development Databases Developer Tools Development Frameworks (Full Stack) JavaScript Framework Python Web Framework Ruby MVC Framework Ruby Web Framework Runtime Web Frameworks

Summary

The top open-source alternatives to Javalin are vert.x, Micronaut Framework, and helidon. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

vert.x Landing Page
1

vert.x

From Wikipedia, the free encyclopedia
Pricing:
- Open Source
#Web Frameworks #Developer Tools #Runtime 26 social mentions
Micronaut Framework Landing Page
2

Micronaut Framework

Build modular easily testable microservice & serverless apps
Pricing:
- Open Source
#Web Frameworks #Developer Tools #Runtime 36 social mentions
helidon Landing Page
3

helidon

Helidon Project, Java libraries crafted for Microservices
Pricing:
- Open Source
#Web Frameworks #Python Web Framework #Runtime 13 social mentions
Django Landing Page
4

Django

The Web framework for perfectionists with deadlines
Pricing:
- Open Source
#Python Web Framework #Python MVC Framework #Web Frameworks 14 social mentions
JDBI Landing Page
5

JDBI

See this.
Pricing:
- Open Source
#Backend Development #Web Frameworks #Databases 23 social mentions
Nest.js Landing Page
6

Nest.js

A progressive Node.js framework for building efficient, reliable and scalable server-side applications.
Pricing:
- Open Source
#Web Frameworks #Developer Tools #JavaScript Framework 182 social mentions
Flask Landing Page
7

Flask

a microframework for Python based on Werkzeug, Jinja 2 and good intentions.
Pricing:
- Open Source
#Python Web Framework #Web Frameworks #Developer Tools 42 social mentions
Ktor Landing Page
8

Ktor

Ktor is a tough gig developmental platform that comes with the support to build asynchronous servers and clients right in the kotlin.
Pricing:
- Open Source
#Development #Tool #Web Frameworks 29 social mentions
Ruby on Rails Landing Page
9

Ruby on Rails

Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
Pricing:
- Open Source
#Developer Tools #Web Frameworks #Frameworks (Full Stack) 117 social mentions
FastAPI Landing Page
10

FastAPI

FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.
Pricing:
- Open Source
- Free
#Developer Tools #API Tools #Python Programming 234 social mentions
Sinatra Landing Page
11

Sinatra

Classy web-development dressed in a DSL
Pricing:
- Open Source
#Ruby Web Framework #Web Frameworks #Ruby MVC Framework 36 social mentions
ExpressJS Landing Page
12

ExpressJS

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Pricing:
- Open Source
#JavaScript Framework #Node.js Framework #Web Frameworks 425 social mentions