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Head-to-head · Plugins & Extensions Software

Apache Felix vs Backstage

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Apache Felix #2 in Plugins & Extensions Software 9.0/10 Free plan Free plan✓ 1 of 5 features Visit Apache Felix
Backstage #5 in Plugins & Extensions Software 8.4/10 Free plan Free plan✓ 0 of 5 features Visit Backstage

Apache Felix leads on 0 checks, Backstage on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreApache Felix · 9.0/10
  • Free planboth
  • Most featuresApache Felix · 1 of 5

Apache Felix scores higher on our rubric for plugins & extensions software: 9.0 against 8.4 out of 10; our editors rank them #2 and #5.

Apache Felix is the better fit for teams building modular OSGi applications. Backstage is the better fit for teams extending an internal developer portal.

  • Apache Felix fits best

    Teams building modular OSGi applications

  • Backstage fits best

    Teams extending an internal developer portal

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Apache Felix 9.0/10 Visit ↗ Backstage 8.4/10 Visit ↗
At a glance
Editor score 9.0 8.4
Ranking #2 in Plugins & Extensions Software #5 in Plugins & Extensions Software
Best for Teams building modular OSGi applications Teams extending an internal developer portal
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Self-hosted
Support Email, Community, Docs Community, Docs
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Apache Felix 1/5 · Backstage 0/5
Marketplace listing Not checked yet Not checked yet
Automatic updates Not checked yet Not checked yet
Permission controls ✓ (best) Not checked yet
Version rollback Not checked yet Not checked yet
Visual builder Not checked yet Not checked yet
Specs
Extension focus Other Not checked yet
Host platforms OSGi Framework Not checked yet
Our review
Pros
  • OSGi R8 core framework with modular, service-oriented runtime
  • Bundle repository supports dependency resolution, installation, and updates
  • Configuration Admin, Event Admin, and security services extend runtime control
  • Extensible plugin architecture covers infrastructure and development tools
  • Catalog, templates, TechDocs, search, permissions, and Kubernetes support
  • Integrates with GitHub, GitLab, Bitbucket, LDAP, and cloud providers
Cons
  • Designed for OSGi applications, not general-purpose extension management
  • Self-hosted deployment puts runtime operation on the adopting team
  • Working with Felix requires familiarity with OSGi bundles and services
  • Self-hosted deployment leaves hosting and operations to your team
  • Scorecards are available through plugins rather than as a core feature
  • Built for developer portals, not standalone extension management
Our verdict

Apache Felix provides an open-source implementation of the OSGi Framework and Service platform for developers embedding or operating OSGi-based applications and services. Its modular runtime is built around components and services, with…

Read the review →

Backstage is an open-source framework for building internal developer portals. It brings together a searchable catalog for services, APIs, libraries, infrastructure, and ownership metadata with software templates, TechDocs, search,…

Read the review →
  1. Apache FelixPlugins & Extensions Software 9.0Free plan
  2. BackstagePlugins & Extensions Software 8.4Free plan

Strengths and trade-offs

  • Apache Felix — where it wins

    • OSGi R8 core framework with modular, service-oriented runtime
    • Bundle repository supports dependency resolution, installation, and updates
    • Configuration Admin, Event Admin, and security services extend runtime control

    Where it doesn't

    • Designed for OSGi applications, not general-purpose extension management
    • Self-hosted deployment puts runtime operation on the adopting team
    • Working with Felix requires familiarity with OSGi bundles and services

  • Backstage — where it wins

    • Extensible plugin architecture covers infrastructure and development tools
    • Catalog, templates, TechDocs, search, permissions, and Kubernetes support
    • Integrates with GitHub, GitLab, Bitbucket, LDAP, and cloud providers

    Where it doesn't

    • Self-hosted deployment leaves hosting and operations to your team
    • Scorecards are available through plugins rather than as a core feature
    • Built for developer portals, not standalone extension management

More comparisons

All plugins & extensions software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update