The fastest-rising AI GitHub repos: September 2026

TL;DR

Ten GitHub repos that gained the most stars and forks this September: the biggest movers our directory tracks, ranked by momentum. Each link opens the full review on My AI Guide; the GitHub link below goes to the source repo.

Biggest movers this month

1. everything-claude-code: 270,239 stars (8.7/10 editor rating) (+24,954 stars in September)

Everything Claude Code (ECC) by Affaan Mustafa is the most-starred meta-system for AI coding agent harnesses on GitHub.

GitHub: affaan-m/everything-claude-code. Category: Coding Assistant.

2. hermes-agent: 250,366 stars (8.5/10 editor rating) (+11,306 stars in September)

Hermes Agent leads open agent frameworks with a true self-improving learning loop that builds persistent skills and models users over time.

GitHub: NousResearch/hermes-agent. Category: AI Agents.

3. superpowers: 293,497 stars (+13,397 stars in September)

Claude skills for dev & debugging.

GitHub: obra/superpowers. Category: Plugin.

4. firecrawl: 187,210 stars (+12,319 stars in September)

Firecrawl scraping plugin.

GitHub: firecrawl/firecrawl-claude-plugin. Category: Plugin.

5. hyperframes: 54,770 stars (8.6/10 editor rating) (+11,355 stars in September)

HyperFrames is heygen-com's open-source video rendering framework that lets you create MP4 video compositions using HTML, CSS, and JavaScript, with first-class skills for Claude Code, Cursor, Gemini CLI, and OpenAI Codex.

GitHub: heygen-com/hyperframes. Category: Tool.

6. hyperframes: 54,770 stars (+11,355 stars in September)

Write HTML. Render video. Built for agents.

GitHub: heygen-com/hyperframes. Category: Plugin.

7. graphify: 122,835 stars (8.5/10 editor rating) (+9,783 stars in September)

Graphify is a skill for Claude Code, Codex, Cursor, and Gemini CLI that builds a queryable knowledge graph from any codebase.

GitHub: safishamsi/graphify. Category: Claude ecosystem.

8. cc-switch: 139,161 stars (8.5/10 editor rating) (+8,754 stars in September)

cc-switch is a free, open-source desktop app that gives developers a single interface to install, switch between, and configure AI coding assistants: Claude Code, Codex, Gemini CLI, and Hermes Agent: along with MCP.

GitHub: farion1,231/cc-switch. Category: Claude ecosystem.

9. TradingAgents: 109,389 stars (8/10 editor rating) (+7,346 stars in September)

TradingAgents is an open-source Python framework simulating a professional trading team with multi-agent AI.

GitHub: TauricResearch/TradingAgents. Category: AI Agents.

10. codex: 127,434 stars (8.5/10 editor rating) (+6,950 stars in September)

OpenAI Codex reached 73,674 GitHub stars in 2026: the terminal-first rival to Claude Code, backed by OpenAI with Apache-2.0 license and ChatGPT plan auth.

GitHub: openai/codex. Category: Vendor SDK.

What this means for builders

The pattern across this month's biggest movers: momentum clusters around practical, focused tools rather than experimental research drops. A repo that pulls a month of sustained stars and forks is a stronger signal than a one-day GitHub-trending spike.

If you want a comprehensive view of every tool we cover, head to our repos index. New monthly digests publish on the 1st of each month.