# fanbox alternatives: 12 Claude Code plugins like alchaincyf/fanbox Flowy lists 1,115 other Development plugins like fanbox, ranked by shared technologies, then GitHub stars; nothing in this list is paid. Published: Oct 23, 2026 · Updated: Oct 27, 2026 · Author: Flowy Canonical: https://www.flowy.sh/alternatives/alchaincyf-fanbox ## How they compare | Plugin | Stars | 7 days | Updated | License | Contains | | --- | ---: | ---: | ---: | --- | --- | | [fanbox](https://www.flowy.sh/listings/alchaincyf-fanbox) | 1,054 | +15 | Oct 12, 2026 | MIT | 1 skill | | [citadel](https://www.flowy.sh/listings/sethgammon-citadel) | 927 | +2 | Oct 25, 2026 | MIT | 48 skills, 7 agents | | [cross-code-organizer](https://www.flowy.sh/listings/mcpware-cross-code-organizer) | 385 | +2 | Oct 20, 2026 | MIT | 1 skill, 1 MCP server | | [maister](https://www.flowy.sh/listings/skillpanel-maister) | 258 | +3 | Oct 25, 2026 | MIT | 17 skills, 25 agents, 6 commands, 1 MCP server | | [architecture-diagram](https://www.flowy.sh/listings/konraddzbik-architecture-diagram-skill) | 137 | +11 | Oct 22, 2026 | MIT | 1 skill | | [ultraship](https://www.flowy.sh/listings/houseofmvps-ultraship) | 123 | 0 | Jul 8, 2026 | MIT | 45 skills, 13 agents, 16 commands, 3 hooks, 2 MCP servers | | [craftcms-claude-skills](https://www.flowy.sh/listings/michtio-craftcms-claude-skills) | 86 | 0 | Oct 27, 2026 | MIT | 13 skills, 6 agents | | [wp-block-theme-converter](https://www.flowy.sh/listings/siddik-web-wp-block-theme-converter) | 49 | +1 | Oct 23, 2026 | MIT | 1 skill, 1 agent, 42 commands, 1 hook | | [better-harness](https://www.flowy.sh/alternatives/qoderai-better-harness) | 2,410 | +15 | Oct 20, 2026 | MIT | 4 skills | | [webperf-snippets](https://www.flowy.sh/alternatives/nucliweb-webperf-snippets) | 1,456 | +2 | Oct 27, 2026 | MIT | 6 skills, 1 MCP server | | [auteur](https://www.flowy.sh/alternatives/agiwhitelist-auteur) | 1,040 | -2 | Aug 6, 2026 | MIT | 1 skill | | [claude-code-hooks](https://www.flowy.sh/listings/karanb192-claude-code-hooks) | 567 | +21 | Oct 26, 2026 | MIT | 8 skills | | [agentops](https://www.flowy.sh/listings/boshu2-agentops) | 451 | 0 | Oct 27, 2026 | Apache-2.0 | 31 skills, 5 agents, 1 hook | ## The 12 closest alternatives 1. [citadel](https://www.flowy.sh/listings/sethgammon-citadel) (927 stars, +2 this week). An open-source operating layer for Claude Code and OpenAI Codex. [citadel on Flowy](https://www.flowy.sh/listings/sethgammon-citadel) 2. [cross-code-organizer](https://www.flowy.sh/listings/mcpware-cross-code-organizer) (385 stars, +2 this week). Cross-Code Organizer (formerly Claude Code Organizer): cross-harness config dashboard for Claude Code, Codex CLI, MCP servers, skills… [cross-code-organizer on Flowy](https://www.flowy.sh/listings/mcpware-cross-code-organizer) 3. [maister](https://www.flowy.sh/listings/skillpanel-maister) (258 stars, +3 this week). Structured, standards-aware development workflows for Claude Code Describe what you want to build, and the plugin handles the rest - from… [maister on Flowy](https://www.flowy.sh/listings/skillpanel-maister) 4. [architecture-diagram](https://www.flowy.sh/listings/konraddzbik-architecture-diagram-skill) (137 stars, +11 this week). Build click-through, animated system architecture diagrams as a single HTML file. [architecture-diagram on Flowy](https://www.flowy.sh/listings/konraddzbik-architecture-diagram-skill) 5. [ultraship](https://www.flowy.sh/listings/houseofmvps-ultraship) (123 stars, 0 this week). "ULTRASHIP" Claude Code plugin — 39 skills, 33 tools, 11 agents for ship-ready workflows: planning, review, pentesting, safety guardrails… [ultraship on Flowy](https://www.flowy.sh/listings/houseofmvps-ultraship) 6. [craftcms-claude-skills](https://www.flowy.sh/listings/michtio-craftcms-claude-skills) (86 stars, 0 this week). Production-ready Claude Code skills, agents, and project templates for Craft CMS 5 development. [craftcms-claude-skills on Flowy](https://www.flowy.sh/listings/michtio-craftcms-claude-skills) 7. [wp-block-theme-converter](https://www.flowy.sh/listings/siddik-web-wp-block-theme-converter) (49 stars, +1 this week). A Claude Code plugin (and standalone skill) for converting any HTML/CSS/JavaScript project into a production-ready WordPress Block Theme… [wp-block-theme-converter on Flowy](https://www.flowy.sh/listings/siddik-web-wp-block-theme-converter) 8. [better-harness](https://www.flowy.sh/listings/qoderai-better-harness) (2,410 stars, +15 this week). An open-source Harness Engineering platform for coding agents—define harnesses as code, run controlled experiments, inspect evidence, and… [better-harness on Flowy](https://www.flowy.sh/listings/qoderai-better-harness) · [better-harness alternatives](https://www.flowy.sh/alternatives/qoderai-better-harness) 9. [webperf-snippets](https://www.flowy.sh/listings/nucliweb-webperf-snippets) (1,456 stars, +2 this week). Tested JavaScript snippets that measure and debug web performance. [webperf-snippets on Flowy](https://www.flowy.sh/listings/nucliweb-webperf-snippets) · [webperf-snippets alternatives](https://www.flowy.sh/alternatives/nucliweb-webperf-snippets) 10. [auteur](https://www.flowy.sh/listings/agiwhitelist-auteur) (1,040 stars, -2 this week). The Claude Code skill that directs a website like a film. [auteur on Flowy](https://www.flowy.sh/listings/agiwhitelist-auteur) · [auteur alternatives](https://www.flowy.sh/alternatives/agiwhitelist-auteur) 11. [claude-code-hooks](https://www.flowy.sh/listings/karanb192-claude-code-hooks) (567 stars, +21 this week). 🪝 Ready-to-use hooks for Claude Code, shipped as a 22-plugin installable marketplace: safety, automation, notifications, and more. [claude-code-hooks on Flowy](https://www.flowy.sh/listings/karanb192-claude-code-hooks) 12. [agentops](https://www.flowy.sh/listings/boshu2-agentops) (451 stars, 0 this week). DevOps discipline for AI coding agents. [agentops on Flowy](https://www.flowy.sh/listings/boshu2-agentops) ## Questions about fanbox alternatives ### What is the best alternative to fanbox? citadel is the first of 12 alternatives to fanbox by shared technologies: it has 927 stars (behind fanbox), gained 2 stars this week and ships 48 skills against 1 for fanbox. ### Which fanbox alternative has the most skills? citadel has the most, with 48 skills of the 12 alternatives listed. fanbox has 1. ### Is fanbox free? Yes. fanbox is published under the MIT license, so it is free to use. ## Related - [Development plugins on Flowy](https://www.flowy.sh/listings/category/development) - [Browse all skills](https://www.flowy.sh/skills) - [fanbox on Flowy](https://www.flowy.sh/listings/alchaincyf-fanbox)