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OpenJDK Java vs OpenVPN Community Edition - powered by TurnKey comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

OpenJDK Java
Average Rating
8.8
Reviews Sentiment
5.7
Number of Reviews
6
Ranking in other categories
Development Platforms (7th)
OpenVPN Community Edition -...
Average Rating
9.6
Reviews Sentiment
8.0
Number of Reviews
4
Ranking in other categories
SSL VPN (10th)
 

Mindshare comparison

OpenJDK Java and OpenVPN Community Edition - powered by TurnKey aren’t in the same category and serve different purposes. OpenJDK Java is designed for Development Platforms and holds a mindshare of 1.4%.
OpenVPN Community Edition - powered by TurnKey, on the other hand, focuses on SSL VPN, holds 1.4% mindshare.
Development Platforms Mindshare Distribution
ProductMindshare (%)
OpenJDK Java1.4%
Docker28.1%
VMware Tanzu Platform13.7%
Other56.8%
Development Platforms
SSL VPN Mindshare Distribution
ProductMindshare (%)
OpenVPN Community Edition - powered by TurnKey1.4%
Ivanti Connect Secure16.5%
Cisco Secure Client (including AnyConnect)11.2%
Other70.9%
SSL VPN
 

Featured Reviews

Aadarsh Mishra - PeerSpot reviewer
Sde Ii at Greytip Software Pvt. Ltd.
Modern development has become faster and reusable with long-term support and rich language features
Bean optimization could be improved. When comparing Java 1.8, which has a basic structure with for loops, to the stream API, the libraries are beneficial but slower. A for loop is a single loop that runs at the core level, whereas the stream API does the same thing but with slightly lower performance. Several improvements could be handled: performance improvement, better garbage collector latency, cloud container awareness, and cleaner syntax. Additionally, lambda is complex for beginners, so the usage of lambda could be improved. The world is moving toward generative programming and AI usage with agentic approaches. Developers should have better handling of automatic GC performance issues. When compiling anything and an error is thrown, I want developers to have better performance insights into how this error will occur. Through AI, they can debug more effectively. Currently, when errors come, they are not straightforward. Developers have to read between the lines. If AI explains the error response, that would be better. Additionally, code usability could benefit from AI agentic capabilities.
Manmohan Rao - PeerSpot reviewer
Associate Vice President at Hitachi Systems India Private Limited
Secure cloud migrations have accelerated as our teams access critical workloads remotely
OpenVPN Community Edition - powered by TurnKey can be improved by looking forward to recommendations regarding compute sizing, which is necessary. I have seen multiple third-party solutions demanding configurations based on compute and memory aspects. However, what I have learned from OpenVPN Community Edition - powered by TurnKey is that it comes with minimal configuration, but I am always stringent about how many client VPN connections it can handle. There has to be some bifurcation regarding this. I have not experienced any access lag so far or any performance issues. I do not see any problems with the configurations or recommendations provided by OpenVPN Community Edition - powered by TurnKey for 100 or 200 users simultaneously, but I still foresee a need for some recommendations from OpenVPN Community Edition - powered by TurnKey regarding the number of user connections it can handle given certain configurations.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Scalability and maintainability have benefited my team and projects significantly."
"I can observe savings in my ROI and categorize it as money-saving, as I see about 60% in money savings and 40% in time savings."
"Using OpenJDK Java has impacted my organization positively, as it has significantly improved productivity by providing a stable and mature platform, while the rich set of libraries and frameworks like Spring Boot and Hibernate accelerates development and reduces the time needed, allowing us to reduce development time by approximately twenty-five percent and cut production incidents and downtime by fifteen percent."
"OpenJDK Java is open for everyone, every developer, and every company, and it is free of cost."
"Almost a million dollars in cost savings have been realized since switching to OpenJDK Java."
"OpenJDK Java has positively impacted my organization because if developers can deliver work faster, it has of course positively impacted the company."
"OpenVPN Community Edition - powered by TurnKey has made a remarkable compute saving from the perspective when we need secure communication to connect to the AWS cloud tenant and is a quick, efficient solution rather than looking forward to any other solution."
"OpenVPN Community Edition - powered by TurnKey is the best in class client VPN solution that one can opt for."
"We use the solution to connect to our internal infrastructure in our data center."
"The most valuable features of the solution are its stability and user-friendly UI."
 

Cons

"OpenJDK Java performs well overall. However, OpenJDK Java could be improved in terms of memory performance, and threads could be better optimized."
"Comparing OpenJDK Java with Python and other scripting languages, I find it a bit bulky, as it takes a lot of effort to enable scripts in a system."
"OpenJDK Java can be improved in startup time and memory footprint, especially for microservices and cloud-native applications where lightweight containers are preferred."
"Bean optimization could be improved. Several improvements could be handled: performance improvement, better garbage collector latency, cloud container awareness, and cleaner syntax."
"I have not seen a return on investment with OpenJDK Java."
"I would like to get less updates from the solution."
"The product's initial setup phase is not straightforward, making it an area where improvements are required."
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Top Industries

By visitors reading reviews
Construction Company
37%
Comms Service Provider
13%
Financial Services Firm
11%
Computer Software Company
7%
Construction Company
30%
Comms Service Provider
16%
Manufacturing Company
12%
Outsourcing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business2
Midsize Enterprise3
Large Enterprise4
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for OpenJDK Java?
My experience with pricing, setup cost, and licensing is very much fine with this, as I have already discussed.
What needs improvement with OpenJDK Java?
OpenJDK Java can be improved in startup time and memory footprint, especially for microservices and cloud-native applications where lightweight containers are preferred. Enhancing native integratio...
What is your primary use case for OpenJDK Java?
My main use case for OpenJDK Java is developing enterprise-level back-end applications. I used Java, particularly with Spring Boot frameworks, to build secure and high-performance REST APIs. Java i...
What needs improvement with OpenVPN Community Edition - powered by TurnKey?
All we are looking forward to is to know the configuration we have to follow if an N number of concurrent connections is required. For example, if it could have been 20 or 30, then what should be t...
What advice do you have for others considering OpenVPN Community Edition - powered by TurnKey?
All we are looking forward to is to know the configuration we have to follow if an N number of concurrent connections is required. For example, if it could have been 20 or 30, then what should be t...
What is your experience regarding pricing and costs for OpenVPN Community Edition - powered by TurnKey?
I purchased OpenVPN Community Edition - powered by TurnKey through the AWS Marketplace. My experience with pricing, setup cost, and licensing is that it is really efficient and not on the higher side.
 

Overview

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