Apache Felix
Apache Felix: A self-hosted OSGi runtime with bundle deployment, dependency resolution, and service management. Ranked #2 of 22 in Plugins & Extensions Software by our editors (9.0/10); pricing: Free plan; best for teams building modular OSGi applications.
At a glance
- Editor score9.0 / 10
- PricingFree plan
- Best forTeams building modular OSGi applications
- Free planYes
- Paid fromFree
- Extension focusOther
- Facts checked24 Sep 2026
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
Our verdict on Apache Felix
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 dynamic service deployment and remote-management support. That makes Felix a fit for teams that want applications assembled from independently managed OSGi bundles, rather than a plug-in manager for arbitrary host platforms.
The project’s breadth centers on operating those bundles. A bundle repository supports dependency resolution as well as installation and updates; File Install provides directory-based bundle deployment. Configuration Admin manages bundle configuration properties, while Event Admin supports event-based communication. PermissionAdmin and ConditionalPermissionAdmin are available through the security extension, and Gogo provides a shell for interacting with OSGi frameworks. These pieces give developers several runtime services within the OSGi model, but also mean the value depends on choosing that model: teams seeking a simpler add-on system for a non-OSGi product should look elsewhere.
Felix is open source, distributed under the Apache License 2.0, and self-hosted. There is no per-seat or tiered plan to compare; teams can download distributions and subprojects, then take responsibility for operating the framework in their application environment. Apache lists email, community, and documentation as support channels. The practical choice is therefore less about subscription cost and more about fit and in-house capability: pick Felix when OSGi modularity, bundle lifecycle tools, and framework services are requirements. Avoid it if a managed service or general-purpose extension platform is the priority.
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Apache Felix pricing
Apache Felix fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Extension focus | Other |
| Host platforms | OSGi Framework |
| Marketplace listing | Not verified |
| Automatic updates | Not verified |
| Permission controls | Yes |
| Version rollback | Not verified |
| Visual builder | Not verified |
| Deployment | Self-hosted |
| Support | Email, Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | felix.apache.org |
| Facts checked | 24 Sep 2026 |
Alternatives to Apache Felix
- ManageEngine Browser Security PlusBrowser extension controls, security policies, and reporting for managed endpoints.9.2
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Apache Felix vs the competition
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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