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AI Tools Scout

An open-source AI tools directory with clear use cases, visible source freshness, and maintenance evidence for anyone deciding what to try.

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Rankings use public ecosystem signals. Treat them as a starting point, then confirm license, setup, safety, and fit with the upstream project.
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Open-source AI tools directory

Open Source AI Tools & Projects Directory

Discover 161 open source AI tools across 1 categories. Start with what each tool does, then use current activity, maintenance signals, and source freshness when you need a deeper comparison.

Project data last synced 5d ago.
Most adopted
All-time GitHub footprint
Trending
Fastest weekly growth
Healthiest
Strongest maintenance signals
Recently updated
Latest repository activity
All
🤖 Agent
🧱 Framework (selected)
⚡ Inference
💬 Interface
☁️ Platform
🎨 Image
🎵 Audio
✓ Verified evidence

Showing 1-50 of 161 projects

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#ProjectCategoryStars▼Weekly▽TrendHealth▽LanguageUpdated▽
1
openclaw
Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞
Recently verified
🧱 Framework384.3K+12.9KStrong98/100TypeScript5d ago
2
n8n
Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.
Recently verified
🧱 Framework198.2K+10.0KStrong92/100TypeScript5d ago
3
tensorflow
An Open Source Machine Learning Framework for Everyone
Recently verified
🧱 Framework196.6K+1.4KStrong84/100C++5d ago
4
transformers
🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.
Recently verified
🧱 Framework163.0K+220Strong91/100Python5d ago
5
dify
Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.
Recently verified
🧱 Framework150.4K+815Strong94/100TypeScript5d ago
6
spec-kit
💫 Toolkit to help you get started with Spec-Driven Development
Recently verified
🧱 Framework124.0K+27.3KStrong100/100Python7d ago
7
pytorch
Tensors and Dynamic neural networks in Python with strong GPU acceleration
Recently verified
🧱 Framework102.0K+170Strong82/100Python5d ago
8
graphify
Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.
Recently verified
🧱 Framework96.7K+47.0KStrong100/100Python5d ago
9
Deep-Live-Cam
real time face swap and one-click video deepfake with only a single image
Recently verified
🧱 Framework95.3K+2.2KHealthy64/100Python9d ago
10
awesome-mcp-servers
A collection of MCP servers.
Recently verified
🧱 Framework91.4K+4.4KStrong80/100-6d ago
11
opencv
Open Source Computer Vision Library
Recently verified
🧱 Framework90.2K+2.6KHealthy76/100C++5d ago
12
PaddleOCR
Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.
Recently verified
🧱 Framework86.3K+8.4KHealthy76/100Python10d ago
13
cs-video-courses
List of Computer Science courses with video lectures.
Recently verified
🧱 Framework82.7K+1.5KHealthy60/100-24d ago
14
netdata
The fastest path to AI-powered full stack observability, even for lean teams.
Recently verified
🧱 Framework79.9K+1.0KStrong89/100Go5d ago
15
Tesseract
Tesseract Open Source OCR Engine (main repository)
Basic listing
🧱 Framework75.5K+1.5KHealthy69/100C++10d ago
16
Awesome Scalability
The Patterns of Scalable, Reliable, and Performant Large-Scale Systems
Basic listing
🧱 Framework72.7K+1.7KWatch57/100-6mo ago
17
Scrapling
🕷️ An adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl!
Basic listing
🧱 Framework70.7K+21.8KStrong81/100Python12d ago
18
Annotated Deep Learning Paper Implementations
🧑‍🏫 60+ Implementations/tutorials of deep learning papers with side-by-side notes 📝; including transformers (original, xl, switch, feedback, vit, ...), optimizers (adam, adabelief, sophia, ...), gans(cyclegan, stylegan2, ...), 🎮 reinforcement learning (ppo, dqn), capsnet, distillation, ... 🧠
Basic listing
🧱 Framework67.2K+637Watch58/100Python6mo ago
19
Scikit Learn
scikit-learn: machine learning in Python
Basic listing
🧱 Framework66.8K+709Healthy73/100Python10d ago
20
Keras
Deep Learning for humans
Basic listing
🧱 Framework64.2K+114Strong81/100Python10d ago
21
Openspec
Spec-driven development (SDD) for AI coding assistants.
Basic listing
🧱 Framework62.1K+15.1KHealthy76/100TypeScript10d ago
22
Ultralytics
Ultralytics YOLO26, YOLO11, YOLOv8 — object detection, instance segmentation, semantic segmentation, image classification, pose estimation, object tracking
Basic listing
🧱 Framework59.7K+2.7KStrong100/100Python10d ago
23
Yolov5
Ultralytics YOLOv5 in PyTorch for object detection, instance segmentation, classification, training, and export.
Basic listing
🧱 Framework57.7K+354Healthy64/100Python11d ago
24
Face Recognition
The world's simplest facial recognition api for Python and the command line
Basic listing
🧱 Framework56.6K+7Watch54/100Python1mo ago
25
Faceswap
Deepfakes Software For All
Basic listing
🧱 Framework55.4K+124Healthy63/100Python26d ago
26
Minimind
🧠「大模型」2小时完全从0训练64M的小参数LLM!Train a 64M-parameter LLM from scratch in just 2h!
Basic listing
🧱 Framework53.7K+4.2KWatch59/100Python1mo ago
27
AI For Beginners
12 Weeks, 24 Lessons, AI for All!
Basic listing
🧱 Framework52.6K+5.3KHealthy60/100Jupyter Notebook11d ago
28
LlamaIndex
LlamaIndex is the leading document agent and OCR platform
Basic listing
🧱 Framework49.3K+197Strong85/100Python2mo ago
29
Julia
The Julia Programming Language
Basic listing
🧱 Framework48.9K+220Strong81/100Julia10d ago
30
Supervision
We write your reusable computer vision tools. 💜
Basic listing
🧱 Framework48.3K+9.8KStrong86/100Python10d ago
31
Paperless Ngx
A community-supported supercharged document management system: scan, index and archive all your documents
Basic listing
🧱 Framework43.3K+2.8KStrong82/100Python10d ago
32
Photoprism
AI-Powered Photos App 🌈💎✨
Basic listing
🧱 Framework40.0K+330Healthy70/100Go10d ago
33
Tesseract.js
Pure Javascript OCR for more than 100 Languages 📖🎉🖥
Basic listing
🧱 Framework38.6K+484Watch52/100JavaScript2mo ago
34
Google Research
Google Research
Basic listing
🧱 Framework38.4K+526Healthy60/100Jupyter Notebook10d ago
35
Langextract
A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.
Basic listing
🧱 Framework37.7K+1.3KHealthy69/100Python1mo ago
36
Mediapipe
Cross-platform, customizable ML solutions for live and streaming media.
Basic listing
🧱 Framework36.2K+1.1KStrong88/100C++15d ago
37
Codebase Memory Mcp
High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.
Basic listing
🧱 Framework35.7K+1.7KStrong90/100C5d ago
38
Playwright Mcp
Playwright MCP server
Basic listing
🧱 Framework35.4K+3.0KHealthy76/100TypeScript17d ago
39
Spacy
💫 Industrial-strength Natural Language Processing (NLP) in Python
Basic listing
🧱 Framework33.8K+198Watch52/100Python2mo ago
40
Next Ai Draw Io
A next.js web application that integrates AI capabilities with draw.io diagrams. This app allows you to create, modify, and enhance diagrams through natural language commands and AI-assisted visualization.
Basic listing
🧱 Framework33.8K+4.9KHealthy77/100TypeScript10d ago
41
Netron
Visualizer for neural network, deep learning and machine learning models
Basic listing
🧱 Framework33.3K+388Healthy63/100JavaScript11d ago
42
Claude Plugins Official
Official, Anthropic-managed directory of high quality Claude Code Plugins.
Basic listing
🧱 Framework32.7K+13.6KStrong81/100Python5d ago
43
Prompt Optimizer
An AI prompt optimizer for writing better prompts and getting better AI results.
Basic listing
🧱 Framework32.5K+3.8KStrong81/100TypeScript14d ago
44
Github Mcp Server
GitHub's official MCP Server
Basic listing
🧱 Framework31.6K+1.9KStrong91/100Go10d ago
45
PyTorch Lightning
Pretrain, finetune ANY AI model of ANY size on 1 or 10,000+ GPUs with zero code changes.
Basic listing
🧱 Framework31.1K+19Healthy63/100Python2mo ago
46
Awesome Datascience
:memo: An awesome Data Science repository to learn and apply for real world problems.
Basic listing
🧱 Framework29.7K+503Healthy67/100-11d ago
47
Xgboost
Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Dask, Flink and DataFlow
Basic listing
🧱 Framework28.6K+227Watch59/100C++10d ago
48
Spleeter
Deezer source separation library including pretrained models.
Basic listing
🧱 Framework28.3K+7Watch47/100Python1mo ago
49
Fastai
The fastai deep learning library
Basic listing
🧱 Framework28.1K+78Watch55/100Jupyter Notebook21d ago
50
Semantic Kernel
Integrate cutting-edge LLM technology quickly and easily into your apps
Basic listing
🧱 Framework27.9K+46Healthy71/100C#2mo ago
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How to use the ranking

Turn a leaderboard into an adoption shortlist

1. Match the use case

Start with category and search filters. An agent framework, inference runtime, interface, and image model solve different problems even when all are called “AI tools.”

2. Check present-tense health

Use weekly growth, last update, commit frequency, and health score to distinguish active projects from repositories living on historical popularity.

3. Validate in your environment

Open the detail page, inspect the upstream repository and license, then run a small proof of concept. Rankings narrow the field; they do not replace technical due diligence.

Quick answers

Open source AI project rankings

What makes an open source AI project worth adopting?+

Start with the use case, then look beyond stars. Recent activity, releases, issue handling, contributor depth, documentation, license, and setup fit all matter. This directory exposes those signals so you can create a shortlist before trying a tool.

Is the most-starred AI project always the best choice?+

No. Stars show awareness and broad adoption, but they do not guarantee active maintenance or suitability for your use case. Use the Trending, Healthiest, and Recently Updated views alongside the all-time ranking.

How should I compare two AI projects?+

Compare maturity, current momentum, maintenance health, language, license, deployment model, integrations, and operating cost. Project detail pages also link to side-by-side comparison pages when a relevant peer is available.

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