Products
Never-Ending Support
for Open Source
The Never-Ending Support product line offers secure drop-in replacements for end-of-life open-source software your team depends on.
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Skip what you don’t.
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Featured NES Products
Featured NES Products
Frontend
Backend
Infrastructure
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Supported Products
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Featured NES Products
Featured NES Products
Frontend
Backend
Infrastructure
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AngularJS
1.5.x, 1.8.x
Frontend
Angular
v4 - v18
Frontend
Spring
Various
Backend
.NET
6
Backend
Node.js
12, 14, 16, 18, 20, 22
Backend
Struts
Various versions
Backend
Bootstrap
2 - 4
Frontend
Vue 2
2.x
Frontend
PostgreSQL
12.x, 13.x
Infrastructure
Apache Camel
2.25.x, 3.22.x
Backend
Apache Cocoon
2.3.x
Backend
Apache Solr & Lucene
8.11.x
Infrastructure
Apache Spark
2.4.x
Backend
Apache Tapestry
4.1.x
Backend
Apache Tomcat
8.5
Infrastructure
Django
3.2
Backend
Drupal 7
7.x
Infrastructure
ESLint
8.x
Frontend
Express
3.x
Backend
Fastify
3.x
Backend
Grunt
v0.4 - 1.5
Frontend
jQuery
1.3.x, 1.5.x, 1.6.x, 1.7.x, 1.12.x, 2.2.x, 3.5.x
Frontend
Knockout.js
3.5.1, 3.4.2, 2.3.0
Frontend
Lodash
3.x, 4.x
Frontend
NestJS
9
Backend
Next.js
12.3.5
Frontend
NumPy
1.26.x
Backend
Nuxt
2.x
Frontend
Protractor
7.0.0
PHP
7.2, 7.3, 7.4, 8.0, 8.1, 8.2
Infrastructure
Rails
2.3, 3.2, 4.2, 5.2, 6.1
Backend
Vuetify
2.x
Frontend
Ember.js
Web Essentials
Featured NES Products
Featured NES Products
Frontend
Backend
Infrastructure
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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
Healthcare
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Technology
SOLUTIONS BY ROLE
IT Security Managers
Software Development Managers
Engineers Leaders
Compliance-Focused Decision-Makers
THOUGHT LEADERSHIP
Maximize the Value of Legacy Software Without Adding to Your Tech Debt
How OSS Long-Term Support helps you mitigate risk, reduce costs, and stay compliant—while giving you the freedom to migrate on your own terms.
Professional Services
Unlock the full potential of your HeroDevs solutions with our Professional Services. From expert guidance to complete implementation, get white-glove service tailored to your needs—ensuring seamless performance and peace of mind.
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Pricing
Developers
Integrate Seamlessly
With Your Current Build Process
Switching to NES take minutes and is as simple as pointing to our private repository.
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
GUIDES
Maximize the Value of Legacy Software Without Adding to Your Tech Debt
How OSS Long-Term Support helps you mitigate risk, reduce costs, and stay compliant—while giving you the freedom to migrate on your own terms.
Resources
Resources
Explore the HeroDevs blog, whitepapers, documentation, and more to stay informed.
Blog
Shows
Case Studies
Newsletters
White Papers
Webinars
Vulnerability Directory
Vulnerability Directory
If you’re currently using these frameworks in your application’s tech stack, your application could be vulnerable.
Vulnerability Directory
Company
Careers
About Us
Open Source Sustainability Fund
Customers
Documentation
NES Documentation
Partners
Become a partner
Featured Articles
Maximize the Value of Legacy Software Without Adding to Your Tech Debt
How OSS Long-Term Support helps you mitigate risk, reduce costs, and stay compliant—while giving you the freedom to migrate on your own terms.
How HeroDevs Supports the White House’s 2023 Open Source Security Initiatives with Proactive, Long-Term Solutions
How HeroDevs Supports the White House’s 2023 Open Source Security Initiatives with Proactive, Long-Term Solutions
Contact Us
HeroDevs is investing $20M to fund open source maintainers securing end-of-life software.
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ABC of
OSS
It's the alphabet, but for the most elite of nerds
ABCs of OSS
The ABCs of OSS – where we alphabetize the chaos of open-source software, one letter at a time.
Season 1
Episode 2
September 1, 2025
B is for the Framework that Made Us All Look Like Designers
Twitter’s 2011 framework that made responsive design simple with grids and pre-styled components. Loved for speed, blamed for sameness, and still shaping modern UI today.
Season 1
Episode 1
August 25, 2025
A is for the Framework that changed Frontend Forever
Google’s 2010 framework that redefined frontend dev with two-way data binding and reusable components. End of Life since 2021, AngularJS left behind both a migration headache and a lasting legacy on modern frameworks.
