Thought Leadership | Articles by Declan Downey at the HeroDevs Blog

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Featured NES Products

JavaScriptJava.NETPHPPythonDatabaseOther

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Supported Products

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Featured NES Products

Featured NES ProductsFrontendBackendInfrastructure

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AngularJS

AngularJS

1.4.x, 1.5.x, 1.8.x

Angular

v4 - v19

Spring

Spring

Various

.NET

.NET

6, 8, 9

Node.js

Node.js

12, 14, 16, 18, 20

Struts

Struts

Various versions

Bootstrap

Bootstrap

2 - 4

Vue 2

Vue 2

2.x

PostgreSQL

PostgreSQL

12.x, 13.x

Apache Grails

Apache Grails

6.2, 7

Apache Solr & Lucene

Apache Solr & Lucene

8.11.x

Apache Tapestry

Apache Tapestry

4.1.x

Apache Tomcat

Apache Tomcat

8.5

CometD

CometD

5, 6, 7

Django

Django

3.2, 4.2

Drupal 7

Drupal 7

7.x

ESLint

ESLint

8.x

Express

Express

3.x

Fastify

3.x

Grunt

Grunt

v0.4 - 1.5

Hibernate

Hibernate

5.6

Jetty

Jetty

9, 10, 11

jQuery

jQuery

1.3.x, 1.5.x, 1.6.x, 1.7.x, 1.12.x, 2.1.x, 2.2.x, 3.5.x

Knockout.js

Knockout.js

3.5.1, 3.4.2, 2.3.0

Lodash

Lodash

3.x, 4.x

NestJS

NestJS

9

Next.js

Next.js

12.3.5

NumPy

NumPy

1.26.x

Nuxt

Nuxt

2.x

Protractor

Protractor

7.0.0

PHP

7.2, 7.3, 7.4, 8.0, 8.1, 8.2

Rails

Rails

2.3, 3.2, 4.2, 5.2, 6.1

Vuetify

Vuetify

2.x

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Solutions

Never-Ending Support for Open Source.

HeroDevs partners with open-source authors to give companies Never-Ending Support, expert consulting, and engineering for sunsetted open-source packages.

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SOLUTIONS BY INDUSTRY

Financial Services

SOLUTIONS BY ROLE

IT Security Managers

Software Development Managers

Engineering Leaders

Compliance-Focused Decision-Makers

THOUGHT LEADERSHIP

Quantifying the Real Risks of Unsupported Open Source Software

Quantifying the Real Risks of Unsupported Open Source Software

A data-backed look at the security, compliance, and operational risks created by unsupported open source—and how long-term support models like NES help organizations stay secure and audit-ready.

Developers

Integrate Seamlessly With Your Current Build Process

Switching to NES take minutes

Policies Terms of Service

Service Level Agreements

Vulnerability Directory

NES Documentation

Explore install and release notes for all NES products

NES Documentation

GUIDES

Download Methods Consuming Never-Ending Support Packages Nexus Repository Manager Instructions Artifactory Repository Manager Instructions

TOOLS

HeroDevs CLI Vulnerability Directory Report Vulnerability Open Source Sustainability Fund
Open Source Contribution Tracker

GUIDES

Quantifying the Real Risks of Unsupported Open Source Software

Quantifying the Real Risks of Unsupported Open Source Software

A data-backed look at the security, compliance, and operational risks created by unsupported open source—and how long-term support models like NES help organizations stay secure and audit-ready.

Resources

Vulnerability Directory

If you’re currently using these frameworks in your application’s tech stack, your application could be vulnerable.

View Vulnerabilities

Spring End-of-Life Resource Hub

End of life doesn’t have to mean end of support. Find strategies, resources, and solutions for keeping your Spring applications stable, secure, and compliant.

Resources

Explore the HeroDevs blog, whitepapers, documentation, and more to stay informed.

Company

Open Source Sustainability Fund

Resources

NES Documentation

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Declan Downey

Declan Downey

Contract Manager

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Never-Ending Support

Drop-in replacements for deprecated open source software that keeps you secure, compliant, and compatible.

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Never-Ending Support (NES) Products

JavaScript

AngularJS jQuery Angular Knockout.js Node.js Lodash Bootstrap NestJS Vue 2 Next.js ESLint Nuxt Express Protractor Fastify Vuetify Grunt

Java

Spring Struts Apache Grails Apache Solr & Lucene Apache Tapestry Apache Tomcat CometD Hibernate Jetty

Python

Databases

Other

.NET PHP Ruby on Rails

Resources

Vulnerability Directory EOL Dataset Blog OSS Sustainability Fund Shows Case Studies Webinars Newsletters Whitepapers Ebooks NES Documentation What is EOL Security?

Solutions

Financial Services Healthcare Technology Government IT Security Managers Software Development Managers Engineering Leaders Compliance-Focused Decision-Makers

Company

About Us Contact We are Hiring!HeroDevs Partner Program Branding Legal

HeroDevs gives engineering companies and security teams the only platform built to manage the risk from using unsupported, end-of-life open source.

+1 877-586-1965

hello@herodevs.com

8850 S 700 E #2437 Sandy, UT 84070

© 2026 herodevs.com | All Rights Reserved

Never-Ending Support

Drop-in replacements for deprecated open source software that keeps you secure, compliant, and compatible.

View All Products

Get a Custom Quote

JavaScript

AngularJS jQuery Angular Knockout.js Node.js Lodash Bootstrap NestJS Vue 2 Next.js ESLint Nuxt Express Protractor Fastify Vuetify Grunt

Java

Spring Struts Apache Grails Apache Solr & Lucene Apache Tapestry Apache Tomcat CometD Hibernate Jetty

Python

Databases

Other

.NET PHP Drupal Ruby on Rails

Resources

Vulnerability Directory EOL Dataset Blog OSS Sustainability Fund OSS Contribution Tracker Shows Case Studies Webinars Whitepapers Ebooks NES Documentation What is EOL Security?

HeroDevs gives engineering companies and security teams the only platform built to manage the risk from using unsupported, end-of-life open source.

+1 877-586-1965

hello@herodevs.com

8850 S 700 E #2437 Sandy, UT 84070

© 2026 herodevs.com | All Rights Reserved

Company

About Us Contact We are Hiring!HeroDevs Partner Program Media Kit Legal

Solutions

Financial Services Healthcare Technology Government IT Security Managers Engineering Leaders Software Development Managers Compliance-Focused Decision-Makers