ikaros
Ikaros is an open-source Java-based CMS designed for managing anime, comics, games, music, and novel content libraries. It provides unified resource management, metadata support, fast search, and a plugin architecture with clients for Windows and Android.
Key facts
Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.
| Field | Value |
|---|---|
| Repository | ikaros-dev/ikaros |
| Owner | ikaros-dev |
| Primary language | Java |
| License | AGPL-3.0 — OSI-approved |
| Stars | 614 |
| Forks | 22 |
| Open issues | 12 |
| Latest release | v1.2.0 (2026-07-05) |
| Last updated | 2026-07-05 |
| Source | https://github.com/ikaros-dev/ikaros |
What ikaros is
A Spring-based Java CMS with plugin support, millisecond-scale search capabilities, REST/plugin API, Docker deployment options, and cross-platform clients. Built on a modular architecture delegating extended functionality to plugins.
Get the ikaros source
Clone the repository and explore it locally.
git clone https://github.com/ikaros-dev/ikaros.gitcd ikaros# follow the project's README for install & configurationNeed it deployed, integrated, or customized instead? DEV.co ships production installs.
Best use cases
Implementation considerations
- AGPL-3.0 copyleft: any proprietary modifications or linked services must remain open-source or reviewed by legal counsel; does not permit closed-source SaaS wrapping.
- Plugin architecture requires Java development capability; extending functionality demands familiarity with Spring frameworks and the Ikaros plugin API.
- Database and persistence layer not detailed in README; review docs for supported databases, schema requirements, and migration paths before committing.
- Search latency claims (milliseconds) assume proper indexing configuration; validate performance in your data volume and query patterns.
- Metadata support is mentioned but scope (what metadata fields, external sources, enrichment mechanisms) requires documentation review.
When to avoid it — and what to weigh
- Require Proprietary or Permissive Licensing — Ikaros is AGPL-3.0 licensed. This is a copyleft license; any proprietary modifications or integration into closed-source software must carefully review AGPL compliance obligations or avoid entirely.
- Need Production SaaS or Commercial Support — No commercial support model, formal SLA, or managed hosting is mentioned. Unsuitable for production SaaS deployments requiring vendor accountability or enterprise support guarantees.
- Planning Public-Facing Content Distribution — README explicitly disclaims public internet access. Designed for personal/internal use only; unsuitable for public-facing content delivery or multi-tenant SaaS architectures.
- Lack Java/Docker Infrastructure Expertise — Requires Java runtime and Docker familiarity for deployment. Teams without Java backend expertise or container operations experience will face steep operational overhead.
License & commercial use
Ikaros uses GNU Affero General Public License v3.0 (AGPL-3.0), a copyleft license. Any modifications, derivative works, or network-accessible instances must make source code available to users under the same license. Proprietary use requires either a separate commercial license (not mentioned) or strict AGPL compliance.
AGPL-3.0 is a strong copyleft license unsuitable for closed-source or SaaS commercial products without explicit dual licensing (not offered). Internal private use (non-networked) may be safer, but networked deployments trigger AGPL disclosure requirements. Any commercial use must undergo legal review; assume high friction without explicit dual-license agreement.
DEV.co evaluation signals
Editorial assessment — not user reviews. Directional, with an explicit confidence level.
| Signal | Assessment |
|---|---|
| Maintenance | Moderate |
| Documentation | Adequate |
| License clarity | Clear |
| Deployment complexity | High |
| DEV.co fit | Good |
| Assessment confidence | Medium |
README explicitly disclaims public internet access and states Ikaros is for personal/internal use only. No mention of authentication, authorization, encryption, rate limiting, or vulnerability disclosure process in provided data. Any network exposure requires external security review (reverse proxy, WAF, TLS). Assess database isolation, credential management, and plugin sandboxing before deployment.
Alternatives to consider
Jellyfin
Open-source media server with permissive FOSS license, mature ecosystem, and broader media codec support; better for video-centric libraries but less specialized for ACGMN metadata.
Calibre
Mature, cross-platform open-source library management for books; larger community and plugin ecosystem; not designed for anime/comics/games/music polyglot content.
Nextcloud with plugins
General-purpose self-hosted platform with strong community, permissive license, and extensive integrations; less specialized for ACGMN metadata but proven in production environments.
Build on ikaros with DEV.co software developers
If you're managing large personal ACGMN libraries or building a custom CMS with Java, Ikaros offers a modular, plugin-driven foundation. Review the full documentation, assess AGPL license compatibility, and plan for Java/Docker operations before deployment.
Talk to DEV.coRelated on DEV.co
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ikaros FAQ
Can I use Ikaros in a commercial SaaS product?
What databases does Ikaros support?
Is there a managed hosting option?
How do I extend Ikaros with custom features?
Custom software development services
From first prototype to production, DEV.co delivers software development services around tools like ikaros. Our software development agency staffs experienced software developers and web developers for custom software development, web development, integrations, and ongoing support across open-source cms and beyond.
Evaluate Ikaros for Your Content Management Needs
If you're managing large personal ACGMN libraries or building a custom CMS with Java, Ikaros offers a modular, plugin-driven foundation. Review the full documentation, assess AGPL license compatibility, and plan for Java/Docker operations before deployment.