Top GitHub repositories, September 2026
Repositories that gained the most stars during September 2026: plain-language summaries, use cases and a star-trust check. Ranked among 1,743 repositories tracked by Seismograph.
This period is still running — numbers update every 30 minutes.
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4.1
tt-a1i/archify
An agent skill for Cursor, Claude Code, Codex CLI, and OpenCode that turns a system description or codebase into interactive HTML/SVG architecture, workflow, sequence, data-flow, and lifecycle diagrams from typed JSON…
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4.9
deepseek-ai/deepseek-harness
Open-source agent harness by DeepSeek AI written in TypeScript, built on an everything-is-a-plugin architecture powered by Cordis. It runs as a web UI via npx and serves as a base for composing AI agents from plugins.
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4.1
bilawalsidhu/gods-eye-view
A browser-based spy-satellite simulator on a photorealistic 3D globe that unifies public feeds: aircraft, ships, satellites, earthquakes, cameras, and traffic. Runs locally, with each layer as a separate module.
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4.1
DietrichGebert/ponytail
A skill for AI coding agents (Claude Code, Codex, Copilot CLI, OpenCode) that enforces writing only the minimum necessary code via a laziness ladder: YAGNI, reuse, stdlib, native features. Benchmarks show ~54% less…
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4.2
mattpocock/skills
A set of small, composable skills for coding agents like Claude Code and Codex: they help align on a task before coding, build a shared project vocabulary, and follow a red-green-refactor loop.
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3.6
ayghri/i-have-adhd
A skill for a coding agent (Claude Code) that makes it lead with the answer and numbered steps, without preamble or filler. Helps you get concrete actions instead of long-winded reasoning.
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3.9
debpalash/VoiceStudio
A fully local, open-source ElevenLabs alternative for voice cloning, voice design, video dubbing, dictation, transcription and audiobook creation on your own hardware, with no account or API key. Supports 16 TTS and 11…
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4.6
affaan-m/ECC
A performance optimization system for coding agents: a set of agents, skills, memory, and rules that adds a plan-test-review-remember workflow to Claude Code, Codex, Cursor, and other harnesses.
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8.9
NandhaKishorM/laya
Laya is a non-autoregressive decision engine that answers typed questions (choice, score, noul) over any state (text, email, ticket, JSON) in a single forward pass (~35 ms on GPU) with calibrated probabilities.
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7.2
browser-use/jev-ultrafast
A browser agent with a dynamic, indexed action space: given one natural-language goal it picks an operation (CLICK, TYPE_TEXT, SELECT, etc.) and an element, using a small LLM to generate text only for typing.
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3.6
alibaba/open-code-review
AI code review tool from Alibaba: reads git diffs and, via an LLM agent with file access and repo search, produces line-level review comments. Ships with built-in rules (NPE, thread-safety, XSS, SQL injection) and a…
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4.9
stablyai/orca
Orca is an ADE for running a fleet of parallel coding agents (Claude Code, Codex, OpenCode, etc.) in isolated git worktrees with a unified interface, mobile companion, and remote runtime.
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5.0
cloudflare/security-audit-skill
A coding-agent skill that turns the agent into a security auditor, running a multi-phase code audit with independently verified, machine-readable findings.
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5.0
hypit-ai/hypit
Hypit gives AI agents a language and system to create video: the agent clones a viral clip as an editable workflow — footage, captions, B-roll and effects anchored to words instead of seconds.
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3.2
cathrynlavery/diagram-design
A set of 39 editorial diagram types for Claude Code, Codex and other agents: self-contained HTML + SVG with no build step or JavaScript. Lets an agent draw architecture, flow and analytics diagrams in a consistent…
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4.7
eternity4719/HowToLiveBetter
An evidence-based life guide: 498 recommendations on longevity, first aid, personal finance, law, employment, family and emigration. Each lists costs, benefits, evidence level and primary sources.
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3.4
blader/humanizer
Agent skill that rewrites AI-sounding text to remove telltale patterns while preserving meaning. Ships as a Markdown skill for Claude Code, Codex, Cursor and other agents.
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4.1
obra/superpowers
A software development methodology for coding agents: a set of composable skills that make the agent clarify the spec, agree on a plan, and work through subagents with TDD.
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3.5
JustVugg/colibri
A pure-C, zero-dependency inference engine for running large MoE models (744B–2.8T parameters) on consumer hardware by treating VRAM, RAM, and storage as a single multitier hierarchy and streaming experts from disk.
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3.3
THU-MAIC/OpenMAIC
An open-source platform using multi-agent orchestration that turns a topic or document into an interactive lesson: slides, quizzes, simulations, and project-based activities led by AI teachers and classmates.
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3.5
microsoft/markitdown
A Python utility from Microsoft for converting PDFs, Office documents, images, audio, HTML, and other formats to Markdown, aimed at LLM and text-analysis pipelines. It preserves document structure (headings, lists,…
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3.6
google/artemis
Google's tool for automating Android devices from natural-language instructions: drives apps, captures logs and screenshots, and integrates with AI assistants via MCP.
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3.5
heygen-com/hyperframes
Framework for turning HTML, CSS, media and seekable animations into deterministic MP4 videos. Runs locally via CLI or from AI coding agents through a set of skills.
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3.8
public-apis/public-apis
A community-curated list of free public APIs across dozens of categories, from animals and anime to finance, geocoding and weather. Aimed at developers looking for a ready-made API for a prototype or product.
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4.0
earendil-works/pi
A TypeScript AI agent toolkit: a unified API across LLM providers, an agent runtime with tool calling, a TUI library, and an interactive coding agent CLI.
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1.8
deeplethe/utopia
Utopia is an open-source enterprise knowledge platform: a bitemporal knowledge graph, RAG search and agent workflows on a single Rust binary plus PostgreSQL. It deploys offline, for companies that need a controlled…
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3.9
Tencent/WeKnora
Open-source LLM knowledge platform: turns raw documents into queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.
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3.7
Panniantong/Agent-Reach
A CLI tool that gives AI agents internet access: reading and searching Twitter/X, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu and other platforms without paid APIs. It selects, installs and diagnoses working access…
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3.9
Graphify-Labs/graphify
Turns any codebase, docs, SQL schemas, configs, and PDFs into a queryable knowledge graph. Works as a /graphify skill in Claude Code, Cursor, Codex, and Gemini CLI with local deterministic AST parsing.
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2.5
lnkiai/m3e-canvas
A browser-based editor for sketching Material 3 Expressive screens with drag-and-drop, screen links, and export of a ready prompt for AI coding tools.
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3.6
addyosmani/agent-skills
A collection of 25 engineering skills and 9 slash commands for AI coding agents, covering the development lifecycle from spec to ship. Helps agents follow proven practices: TDD, code review, task planning.
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3.5
miuuyy/codex-chatgpt-web
A bridge that lets you use ChatGPT Web (including Pro) as a native model in Codex — with context, tools, streaming and images, without spending Codex quota.
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2.8
freestylefly/awesome-gpt-image-2
A prompt and template library for GPT-Image 2/2.5 image generation: 500+ reverse-engineered cases, 20+ industrial templates and an agent Skill, structured as Prompt-as-Code.
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8.9
google/ax
A declarative orchestrator for running autonomous AI agent workloads in a cluster, using a Kubernetes-like model with Task, Workspace, Gateway, and Model manifests. It sandboxes agents, pre-wires their environment, and…
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3.8
vorssaint/vorssaint-utils
Free open-source macOS menu bar toolkit bundling per-app volume mixer, system monitor, app switcher, window snapping, Dock previews, clipboard history, snippets and an uninstaller behind one icon.
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3.1
Leonxlnx/taste-skill
A collection of Agent Skills that push AI agents to produce well-designed interfaces instead of boilerplate: stronger layout, typography, spacing and motion. Also includes image-generation skills for web, mobile and…
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3.7
omacom/omarchy
An opinionated Linux distribution by DHH with preconfigured themes, hotkeys and a curated set of apps for development and daily use.
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4.0
bojieli/ai-agent-book
Open book on AI agent design principles and engineering practice: 10 chapters, PDF/EPUB in 15 languages, and 109 companion experiments with Python code.
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3.7
harry0703/MoneyPrinterTurbo
A Python tool that auto-generates HD short videos from a topic or keyword, writing the script and assembling footage, voiceover, subtitles and music. It ships with AI Agent, WebUI, API, CLI and one-click publishing to…
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5.1
tamaratran/fast-jev-compaction
Claude Code plugin that replaces context compaction summaries with Jev decisions: every tool call and result is scored in one fast request, stale ones are dropped or truncated, everything kept stays verbatim. Also…
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5.9
zai-org/ZCode
Z.ai's coding agent workbench: an Electron desktop app, browser UI and terminal Agent CLI. The repo contains the client, backend, shared UI and the agent CLI/runtime sources.
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3.5
TauricResearch/TradingAgents
A framework that simulates a trading firm with LLM agents (analysts, researchers, trader, risk manager) debating markets and producing trading decisions. Built for research, not real trading.
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3.2
anywhere-labs/dsh-desktop
Open-source desktop client for DeepSeek Harness on Windows and macOS that packages its local Web UI, host service and plugin system into a native app requiring no Node.js setup.
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2.8
rakanki911/DLSS5-Swapper
A tool to install, tune and restore DLSS 5 in games and emulators: supports native DLSS games, DLSS5-Feeder for games without DLSS, RenoDX, OptiScaler and multipass rendering across DirectX, Vulkan, OpenGL and…
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3.2
github/spec-kit
An open-source toolkit for Spec-Driven Development that turns specifications into executable artifacts and guides the process from requirements to implementation with any AI coding agent.
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3.1
calesthio/OpenMontage
Open-source agentic video production system: an AI coding assistant researches, scripts, generates assets, edits and renders a finished video from a plain-language prompt. 12 pipelines, 100+ tools and 700+ agent skill…
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3.7
openai/codex
A local coding agent from OpenAI that runs in the terminal: installed with one command and used as a CLI tool for working with code.
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3.3
jingyaogong/minimind
An open-source educational project for training a tiny 64M-parameter LLM (MiniMind) from scratch in PyTorch, covering the full pipeline: pretrain, SFT, LoRA, RLHF, RLAIF and Tool Use.
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3.9
pbakaus/impeccable
A set of commands and detector rules for AI coding agents that helps them produce better frontend design instead of generic templates. Installs as a skill into Claude Code, Cursor, Codex and other harnesses.
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5.3
latent-spaces/brag
An agent skill (Claude Code, Codex, opencode, etc.) that turns a project you just built into a short launch video with music, motion, and share copy — in one command. Rendering is powered by Hyperframes.
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6.8
mizorewww/laya-mlx
Native MLX runtime for Laya typed decision models: returns probabilities for choices, scores or truth values without text generation, running locally on Apple Silicon.
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3.4
JuliusBrussee/caveman
A skill and local proxy for coding agents that cut token usage: the skill makes the agent answer in terse caveman style, the proxy compresses logs, diffs and test output before they reach the model.
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8.9
jaredpalmer/kev
kev is a LoRA adapter with a small readout head on top of Qwen2.5-0.5B that answers many typed questions about a document in a single forward pass, returning calibrated probabilities instead of text.
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3.5
D4Vinci/Scrapling
An adaptive Python web scraping framework: the parser relocates elements when site markup changes, fetchers bypass anti-bot systems like Cloudflare Turnstile, and the spider system scales to concurrent multi-session…
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4.2
clash-verge-rev/clash-verge-rev
A cross-platform proxy GUI client built on Tauri with the Clash Meta (mihomo) core, continuing Clash Verge. It manages routing rules, configurations and system proxy on Windows, macOS and Linux.
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2.5
zhishile/codex-auth-helper
A Chrome extension that locally exports your ChatGPT session and generates an auth.json file matching the Codex spec for authentication. All processing happens in-browser with no data sent to servers.
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4.0
experientiallabs/experiential
Open-source gateway and router for agent LLM workflows: one OpenAI-compatible API over hosted, BYOK and local models with access and budget control, plus training a custom router or model from your traffic.
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3.4
K-Dense-AI/scientific-agent-skills
A library of 166 ready-to-use skills for AI agents covering bioinformatics, chemoinformatics, medicine, materials science and more, with access to 100+ scientific databases. Compatible with Cursor, Claude Code, Codex…
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2.7
NationalSecurityAgency/ghidra
A software reverse engineering framework from the NSA: disassembly, decompilation, graphing and scripting for analyzing compiled code on Windows, macOS and Linux.
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3.1
abue-ammar/tinycast
A fully native macOS launcher with a global hotkey, clipboard history, file search, calculator, notes, and support for running Raycast extensions. Built in SwiftUI and AppKit with zero third-party dependencies, using…
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3.4
vastsa/PI-Desktop
Local-first desktop workspace for AI coding agents: opens local projects, connects any model, and extends via plugins, MCP, and Skills. Sessions and files stay on your machine, with privileged actions gated by a…
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5.4
Tencent/BrowserSkill
BrowserSkill connects AI agents (Cursor, Claude Code, Codex, etc.) to your already logged-in browser via the bsk CLI and an extension, letting the agent work in a separate window without interrupting you.
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3.8
yt-dlp/yt-dlp
Command-line audio/video downloader supporting thousands of sites, a youtube-dl fork with extras: format selection, subtitles, SponsorBlock, output templates.
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8.1
jev-chat/jev-chat-jarvis
Android app that reads the on-screen chat via AccessibilityService, judges the other side's intent with the Jev model, and shows 3 ranked reply drafts in a translucent overlay. Replies are filled into the input box but…
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5.8
robbietilton/Compositor
A free, open-source raster image editor for macOS written in Swift — a Photoshop alternative focused on compositing and post-processing.
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3.2
dataelement/dsh-desktop
Cross-platform desktop app for running DeepSeek Harness locally: manages agent profiles, plugins, workspaces and sessions, supports third-party models and PPTX generation.
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2.8
google-research/timesfm
TimesFM is a pretrained time-series foundation model from Google Research for forecasting, designed to work zero-shot without task-specific training.
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2.9
bojieli/ai-infra-book
Open book "Understanding AI Infra" by Bojie Li: quantitative derivation of LLM inference and training system design from hardware constraints and model architecture. Includes full text, PDF, calculation tools and…
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3.0
coreyhaines31/marketingskills
A collection of markdown skills that give AI coding agents (Claude Code, Codex, Cursor, Windsurf) ready frameworks for marketing tasks: CRO, copywriting, SEO, analytics, ads, and growth engineering.
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1.9
alphaXiv/OpenResearch
A local-first workspace for research agents that turns Claude Code, Codex, OpenCode, or Cursor into agents reviewing literature, forming hypotheses, and running experiments. Each direction gets an isolated git worktree…
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3.8
tashfeenahmed/freellmapi
Aggregates free tiers from 34 LLM providers (635 endpoints) behind a single OpenAI-compatible /v1 API with smart routing, automatic failover, and encrypted keys. Intended for personal experimentation and use with…
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2.2
tonhowtf/omniget
Free desktop app for Windows, macOS and Linux that downloads Udemy and Hotmart courses, YouTube videos and 1,800+ other sites via yt-dlp, no terminal needed. Includes a course player, PDF/EPUB reader and music library,…
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2.2
Albert-Weasker/niubigeo
Open-source tool for tracking brand visibility and competitors in AI answers: given a domain, it shows how models describe your product, whom they recommend, and which sources they cite.
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2.5
sapientinc/PRAXIST
Autonomous research system for measurable, computer-executable research: coordinates parallel research peers, task-owned evaluation, and durable evidence across generations. Runs on top of an already runnable project…
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4.3
every-app/open-seo
Open-source pay-as-you-go SEO tool as an alternative to Semrush and Ahrefs. It enables keyword research, rank tracking, competitor insights, backlink analysis, site audits, and connects AI agents via MCP.
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3.2
MadsLorentzen/ai-job-search
A job application framework built on Claude Code: evaluates postings, tailors CVs, and writes cover letters. Runs locally, focused on the Danish job market.
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6.2
Open-Dev-Society/OpenStock
An open-source alternative to paid market platforms: real-time price tracking, personalized alerts, and company insights. Built with Next.js, MongoDB, and Finnhub, free for everyone.
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3.8
anthropics/claude-code
An agentic coding tool that lives in the terminal: it understands your codebase, executes routine tasks, explains complex code, and handles git workflows via natural language commands.
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3.9
XiaoDuoYa/codex-with-chatgpt
A bridge between the ChatGPT web app and the Codex coding agent: ChatGPT plans and reviews over an OAuth-protected read-only MCP connection while Codex executes. Uses your paid ChatGPT subscription instead of API…
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3.3
virgiliojr94/book-to-skill
Converts technical books and other structured documents into agent skills: extracts chapters, glossary, patterns, and cheatsheets that the agent loads on demand. Useful for making a book or docs part of your workflow…
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2.3
petergyang/no-ai-slop
A skill for coding agents (ChatGPT, Claude Code, Codex) that detects and removes 20+ AI slop patterns from writing while preserving the author's voice. It can also flag such patterns and generate them for satire.
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2.8
pacifio/atlas
Atlas is source control for coding agents: it links every commit back to the agent session with its prompts, tool calls and reasoning, and lets you run multiple agents side by side with shared memory.
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3.0
asgeirtj/system_prompts_leaks
A collection of extracted system prompts from Anthropic, OpenAI, Google, xAI and others — the hidden instructions chatbots receive before a user's first message.
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3.5
browser-use/browser-use
Open-source Python library and CLI for AI agents that drive a browser: complete tasks on websites, fill forms and handle CAPTCHAs. Supports local runs, cloud browsers and a hosted API.
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2.6
amagine-ai/Amagine3D
An open-source 3D design layer for hardware creation: given a product description, reference images and dimensions, it generates editable enclosures and assemblies with STEP, STL and 3MF export.
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4.3
can1357/oh-my-pi
Terminal coding agent with LSP and debugger wired in: 60+ model providers, 31 built-in tools, subagents and collaborative sessions. A fork of Mario Zechner's Pi.
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3.1
Shubhamsaboo/awesome-llm-apps
A collection of 100+ open-source AI agents, agent skills, and RAG apps in Python with ready templates and step-by-step tutorials. Aimed at developers who want to quickly run or adapt an agent for their tasks.
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3.2
Human-Agent-Society/reef
Continual learning infrastructure for self-improving agents: connects agent inference, feedback collection, learning, and versioned delivery of updates. Lets you train model weights or improve an agent's harness…
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2.8
Lakr233/vphone-cli
CLI tool for booting a virtual iPhone on Apple Silicon via Virtualization.framework using PCC research VM infrastructure, including firmware patching and CFW installation.
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5.5
trycua/cua
Open-source toolkit for computer-use agents: cloud and local desktops, an app automation driver, and benchmarks for training and evaluation. For those giving AI agents control of a computer.
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6.5
TheoLeeCJ/SemIf-OpenJev
An open reproduction of the Jev-style semantic decision interface: reads typed option probabilities directly from a 4B model's logits without generating text. Runs on a single RTX 3090.
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5.1
browser-use/video-use
A skill that lets coding agents (Claude Code, Codex) edit raw video footage via chat: it transcribes takes with ElevenLabs, builds an edit decision list, and renders final.mp4 with cuts, color grades, subtitles and…
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4.1
Comfy-Org/ComfyUI
ComfyUI is a diffusion-model engine for generating images, video, audio and 3D with a visual node-graph interface. It lets you build and reuse pipelines without code, run them locally or via API.
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2.6
trailhq/Graft
Graft builds a knowledge graph of your codebase as linked markdown files and wires it into Claude Code, Cursor, Codex and other coding agents via MCP so they spend less time re-exploring the repo.
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2.9
volcengine/OpenViking
Open-source context database for AI agents: stores knowledge, user memory and skills as a viking:// virtual filesystem with search and tiered context loading.
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2.6
AprilNEA/OpenLogi
A native, local-first alternative to Logitech Options+ written in Rust: remap buttons, DPI, SmartShift and configure Logitech cameras over HID++ and UVC, with no account or telemetry.
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2.5
SnailSploit/Claude-Red
A curated library of drop-in SKILL.md files for the Claude Skills system that primes Claude with offensive security methodology, from SQL injection to EDR evasion and exploit development.
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2.0
sdli1995/dlssg_for_sm86
A mod for Windows D3D12 games that enables DLSS frame generation on RTX 30 (SM86) and RTX 20 (SM75) GPUs via a system DLL proxy. It bundles its own C++ wrapper, PTX/Cubin and the 310.1 model in a single DLL, with no…
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1.8
humanlayer/skills
A collection of Claude Code skills from HumanLayer, installed via npx skills add and invoked as slash commands in a project. Includes improving CLAUDE.md, narrowing React prop types, building agentic loops, and…
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3.1
rtk-ai/rtk
A Rust CLI proxy that filters and compresses bash command output before it reaches the LLM context, cutting token usage by 60–90%. It hooks into Claude Code, Cursor, Gemini CLI and other agents.