Top open-source AI tools
Tools you can self-host and read the source of, ranked by GitHub stars. Stars are a popularity signal, not a quality one, so our score is shown beside them. How we score.
There are 113 tools here. 97.3% have a free tier, and the median score is 7. Open source is the most common pricing model at 97.3%.
113Tools
97.3%Free tier
100%Open source
7Median score
Pricing breakdown
- Open source 97.3%
- Freemium 1.8%
- Free trial 0.9%
Share of the 111 tools whose pricing model we have confirmed.
| # | Tool | Category | Score | Stars | Access |
|---|---|---|---|---|---|
| 1 |
Firecrawl
Our pick
|
Web Scraping | 7.7 | 171,814 | Free tier |
| 2 |
LangChain
|
AI Agents | 8.4 | 144,911 | Free tier |
| 3 |
ECC
|
AI Agents | 8.1 | 242,903 | Free tier |
| 4 |
Browser Use
|
AI Agents | 8.0 | 110,355 | Free tier |
| 5 |
Supabase
|
AI Coding | 8 | 108,594 | Free tier |
| 6 |
Transformers
|
LLM Infrastructure | 7.9 | 164,402 | Free tier |
| 7 |
Claude Mem
|
AI Agents | 7.8 | 91,710 | Free tier |
| 8 |
Gemini CLI
|
AI Coding | 7.8 | 106,664 | Free tier |
| 9 |
Langflow
|
AI Agents | 7.8 | 153,629 | Free tier |
| 10 |
LocalAI
|
LLM Infrastructure | 7.8 | 48,758 | Free tier |
| 11 |
MoneyPrinterTurbo
|
AI Video | 7.8 | 115,908 | Free tier |
| 12 |
Context7
|
AI Coding | 7.7 | 61,163 | Free tier |
| 13 |
Crawl4AI
|
Web Scraping | 7.7 | 79,367 | Paid |
| 14 |
DeepSeek Harness
|
AI Agents | 7.7 | 191,780 | Free tier |
| 15 |
GPT4Free
|
LLM Infrastructure | 7.7 | 66,597 | Free tier |
| 16 |
OpenHands
|
AI Coding | 7.7 | 84,978 | Free tier |
| 17 |
paperless-ngx
|
Productivity | 7.7 | 44,708 | Free tier |
| 18 |
PEFT
|
Model Training | 7.7 | 21,607 | Free tier |
| 19 |
PyTorch Image Models (timm)
|
Model Training | 7.7 | 37,108 | Free tier |
| 20 |
Roboflow Supervision
|
Computer Vision | 7.7 | 49,796 | Free tier |
| 21 |
Ultralytics
|
Computer Vision | 7.7 | 60,922 | Free tier |
| 22 |
Graphify
|
RAG & Search | 7.6 | 110,108 | Free tier |
| 23 |
Hermes Agent
|
AI Agents | 7.6 | 235,726 | Free tier |
| 24 |
LlamaIndex
|
RAG & Search | 7.6 | 51,855 | Free tier |
| 25 |
Netdata
|
Observability | 7.6 | 80,279 | Free tier |
| 26 |
OCRmyPDF
|
Computer Vision | 7.6 | 34,621 | Free tier |
| 27 |
ScrapeGraphAI
|
Web Scraping | 7.6 | 29,865 | Free tier |
| 28 |
Tesseract
|
Computer Vision | 7.6 | 76,163 | Free tier |
| 29 |
AnythingLLM
|
RAG & Search | 7.5 | 65,151 | Free tier |
| 30 |
Conductor
|
Automation | 7.5 | 32,144 | Free tier |
| 31 |
Frigate
|
Computer Vision | 7.5 | 35,497 | Free tier |
| 32 |
Headroom
|
LLM Infrastructure | 7.5 | 67,411 | Free tier |
| 33 |
LightRAG
|
RAG & Search | 7.5 | 39,263 | Free tier |
| 34 |
PaddleOCR
|
Computer Vision | 7.5 | 88,223 | Free tier |
| 35 |
SiYuan
|
Productivity | 7.5 | 46,046 | Free tier |
| 36 |
vLLM
|
LLM Infrastructure | 7.5 | 89,894 | Free tier |
| 37 |
fastai
|
Model Training | 7.4 | 28,127 | Free tier |
| 38 |
Pake
|
AI Coding | 7.4 | 61,060 | Free tier |
| 39 |
AutoGPT
|
AI Agents | 7.3 | 186,851 | Free tier |
| 40 |
CrewAI
|
AI Agents | 7.3 | 57,572 | Paid |
| 41 |
DeerFlow
|
AI Agents | 7.3 | 80,799 | Free tier |
| 42 |
Lightpanda
|
Web Scraping | 7.3 | 34,314 | Free tier |
| 43 |
LlamaFactory
|
Model Training | 7.3 | 74,318 | Free tier |
| 44 |
Mem0
|
AI Agents | 7.3 | 63,962 | Free tier |
| 45 |
Ollama
|
LLM Infrastructure | 7.3 | 179,343 | Free tier |
| 46 |
Open WebUI
|
LLM Infrastructure | 7.3 | 149,796 | Free tier |
| 47 |
OpenDataLoader PDF
|
Web Scraping | 7.3 | 28,860 | Free tier |
| 48 |
Page Agent
|
AI Agents | 7.3 | 28,903 | Free tier |
| 49 |
Unsloth
|
LLM Infrastructure | 7.3 | 74,615 | Free tier |
| 50 |
Ponytail
|
AI Coding | 7.2 | 109,701 | Free tier |
| 51 |
Ray
|
LLM Infrastructure | 7.2 | 43,649 | Free tier |
| 52 |
cognee
|
RAG & Search | 7.1 | 30,346 | Free tier |
| 53 |
Dify
|
Productivity | 7.1 | 153,386 | Free tier |
| 54 |
pyVideoTrans
|
AI Video | 7.1 | 18,837 | Free tier |
| 55 |
DeepSpeed
|
Model Training | 7 | 43,022 | Free tier |
| 56 |
Hugging Face Datasets
|
Model Training | 7 | 21,878 | Free tier |
| 57 |
Kestra
|
Automation | 7 | 27,953 | Free tier |
| 58 |
MediaPipe
|
Computer Vision | 7 | 36,773 | Free tier |
| 59 |
n8n
|
Automation | 7.0 | 202,331 | Paid |
| 60 |
Skyvern
|
AI Agents | 7 | 22,880 | Free tier |
| 61 |
TradingAgents
|
AI Agents | 7.0 | 99,713 | Free tier |
| 62 |
Vector
|
Observability | 7 | 22,487 | Free tier |
| 63 |
VoxCPM
|
Voice Generation | 7 | 36,269 | Free tier |
| 64 |
RuFlo
|
AI Agents | 6.9 | 69,289 | Free tier |
| 65 |
WorldMonitor
|
Observability | 6.9 | 84,038 | Free tier |
| 66 |
MinerU
|
Web Scraping | 6.8 | 78,777 | Free tier |
| 67 |
Qdrant
|
RAG & Search | 6.8 | 34,263 | Free tier |
| 68 |
RAGFlow
|
RAG & Search | 6.8 | 89,162 | Free tier |
| 69 |
RTK
|
LLM Infrastructure | 6.8 | 77,280 | Free tier |
| 70 |
ToolJet
|
AI Coding | 6.8 | 40,794 | Free tier |
| 71 |
Caveman
|
AI Coding | 6.7 | 100,681 | Free tier |
| 72 |
Label Studio
|
Model Training | 6.7 | 28,162 | Free tier |
| 73 |
LobeHub
|
AI Agents | 6.7 | 81,969 | Free tier |
| 74 |
MLflow
|
Observability | 6.7 | 27,734 | Free tier |
| 75 |
Paddle
|
Model Training | 6.7 | 24,062 | Free tier |
| 76 |
screenpipe
|
Productivity | 6.7 | 21,303 | Free tier |
| 77 |
Meilisearch
|
RAG & Search | 6.6 | 59,077 | Free tier |
| 78 |
PyTorch
|
Model Training | 6.6 | 102,578 | Free tier |
| 79 |
ViT-PyTorch
|
Computer Vision | 6.6 | 25,492 | Free tier |
| 80 |
Budibase
|
AI Coding | 6.4 | 28,248 | Free tier |
| 81 |
Oh My OpenAgent
|
AI Coding | 6.4 | 68,328 | Free tier |
| 82 |
tesseract.js
|
Computer Vision | 6.3 | 38,677 | Free tier |
| 83 |
Daytona
|
LLM Infrastructure | 6.2 | 71,891 | Free tier |
| 84 |
GPT-SoVITS
|
Voice Generation | 6.2 | 61,348 | Free tier |
| 85 |
Taipy
|
AI Coding | 6 | 19,435 | Free tier |
| 86 |
Taste Skill
|
AI Agents | 6.0 | 80,055 | Free tier |
| 87 |
Airbyte
|
Automation | 5.8 | 21,971 | Free tier |
| 88 |
index-tts
|
Voice Generation | 5.8 | 23,589 | Free tier |
| 89 |
WeKnora
|
RAG & Search | 5.8 | 20,922 | Free tier |
| 90 |
ChatTTS
|
Voice Generation | 5.5 | 39,808 | Free tier |
| 91 |
MetaGPT
|
AI Agents | 5.5 | 70,005 | Free tier |
| 92 |
Spleeter
|
Voice Generation | 5.3 | 28,405 | Free tier |
| 93 |
Coqui TTS
|
Voice Generation | 5.1 | 45,968 | Free tier |
| 94 |
Stable Diffusion WebUI
|
AI Image | 5.1 | 164,636 | Free tier |
| 95 |
faster-whisper
|
Voice Generation | 5 | 25,142 | Free tier |
| 96 |
gpt_academic
|
LLM Infrastructure | 5.0 | 71,229 | Free tier |
| 97 |
Jina Serve
|
LLM Infrastructure | 5 | 21,861 | Free tier |
| 98 |
AutoGen
|
AI Agents | 4.9 | 60,610 | Free tier |
| 99 |
Chinese-LLaMA-Alpaca
|
Model Training | 4.8 | 18,934 | Free tier |
| 100 |
GPT4All
|
LLM Infrastructure | 4.8 | 77,396 | Free tier |
Showing the top 100 of 113. Browse them all.