The best claude-relay-service alternatives

sub2api

Wei-Shaw/sub2api

Sub2API 一站式开源中转服务，让 Claude、Openai 、Gemini、Grok订阅统一接入，支持拼车共享，更高效分摊成本，原生工具无缝使用。

Choose sub2api if…

• you would rather work in Go than JavaScript
• GNU Lesser General Public License v3.0 suits your use better than MIT License
• you want the more widely starred option (45.4k)
• you specifically need 2api or antigravity2api

Shares claude, claude-code, crs with claude-relay-service.

9router

decolua/9router

Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Auto-fallback, RTK -40% tokens, never hit limits.

Choose 9router if…

• you want the more widely starred option (31.9k)
• you specifically need ai-agents or ai-gateway

Shares claude, claude-code, gemini-cli with claude-relay-service.

opencodex

lidge-jun/opencodex

Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code

Choose opencodex if…

• you would rather work in TypeScript than JavaScript
• you specifically need ai-gateway or ai-tools

Shares claude, claude-code, codex-cli with claude-relay-service.

claudecodeui

siteboon/claudecodeui

Use Claude Code, OpenCode, Cursor CLI, and Codex on mobile and web with CloudCLI (aka Claude Code UI). CloudCLI is a free open source webui/GUI that helps you manage your Claude Code session and projects remotely.

Choose claudecodeui if…

• you would rather work in TypeScript than JavaScript
• GNU Affero General Public License v3.0 suits your use better than MIT License
• you specifically need anthropic or anthropic-ai

Shares claude, claude-api, claude-code with claude-relay-service.

agentic-awesome-skills

sickn33/agentic-awesome-skills

AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,115+ agentic skills. Includes CLI, local MCP, catalog, plugins, and Workbench.

Choose agentic-awesome-skills if…

• you would rather work in Python than JavaScript
• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (49.1k)
• you specifically need agent-skills or agentic-skills

Shares claude-code, codex-cli, gemini-cli with claude-relay-service.

context-mode

mksglu/context-mode

Context window optimization for AI coding agents. Sandboxes tool output (98% reduction), persists session memory, and enforces routing across 17 platforms via MCP + hooks.

Choose context-mode if…

• you would rather work in TypeScript than JavaScript
• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (33.3k)
• you specifically need antigravity or claude-code-hooks

Shares claude, claude-code, codex-cli with claude-relay-service.

ctf-skills

ljagiello/ctf-skills

Agent skills for solving CTF challenges - web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more

Choose ctf-skills if…

• you would rather work in Python than JavaScript
• you want something your agent can install directly rather than a library to wire up yourself
• you prefer a smaller, narrower project to a large one
• you specifically need agent-skills or claude-code-skills

Shares claude-code, codex-cli, gemini-cli with claude-relay-service.

OmniRoute

diegosouzapw/OmniRoute

Never stop coding. Free MIT AI gateway: one endpoint, 352 providers (150+ free), 1200+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek, MiniMax. Works with Claude Code, Codex, Cursor, OpenCode, Cline & Copilot. Quota-aware auto-fallback, RTK+Caveman compression saves 15-95% tokens, MCP/A2A, Desktop/PWA. Built by 550+ contributors

Choose OmniRoute if…

• you would rather work in TypeScript than JavaScript
• you want the more widely starred option (84.1k)
• you specifically need a2a or ai-agents

Shares claude, claude-code with claude-relay-service.

chatbox

chatboxai/chatbox

Powerful AI Client

Choose chatbox if…

• you would rather work in TypeScript than JavaScript
• GNU General Public License v3.0 suits your use better than MIT License
• you want the more widely starred option (42.2k)
• you specifically need assistant or chatbot

Shares claude, claude-code with claude-relay-service.

Claude-Code-Game-Studios

Donchitos/Claude-Code-Game-Studios

Turn Claude Code into a full game dev studio — 49 AI agents, 72 workflow skills, and a complete coordination system mirroring real studio hierarchy.

Choose Claude-Code-Game-Studios if…

• you would rather work in Shell than JavaScript
• you want the more widely starred option (34.3k)
• you specifically need ai-agents or ai-assisted-development

Shares claude, claude-code with claude-relay-service.

AionUi

iOfficeAI/AionUi

Open-source 24/7 Cowork app for OpenClaw, Hermes, Claude Code, Codex, OpenCode and 20+ more CLI Agent | Customize your assistants | Team them up｜Star if you like it!

Choose AionUi if…

• you would rather work in TypeScript than JavaScript
• Apache License 2.0 suits your use better than MIT License
• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (34.0k)

Shares claude-code, gemini-cli with claude-relay-service.

frontend-slides

zarazhangrui/frontend-slides

Create beautiful slides on the web using a coding agent's frontend skills

Choose frontend-slides if…

• you want the more widely starred option (31.8k)
• you specifically need ai-slides or anthropic

Shares claude, claude-code with claude-relay-service.