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. Our picks lead the table and are labelled; the score column is never touched. How we score.
There are 145 tools here. 99.3% have a free tier, and the median score is 7. Open source is the most common pricing model at 97.9%.
145Tools
99.3%Free tier
100%Open source
7Median score
Pricing breakdown
- Open source 97.9%
- Freemium 1.4%
- Free trial 0.7%
Share of the 143 tools whose pricing model we have confirmed.
| # | Tool | Category | Score | Stars | Access |
|---|---|---|---|---|---|
| 1 |
Firecrawl
Our pick
|
MCP Servers | 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
|
MCP Servers | 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 |
Agent Skills
|
AI Coding | 7.7 | 103,080 | Free tier |
| 13 |
Context7
|
MCP Servers | 7.7 | 61,163 | Free tier |
| 14 |
Crawl4AI
|
Web Scraping | 7.7 | 79,367 | Paid |
| 15 |
DeepSeek Harness
|
AI Agents | 7.7 | 191,780 | Free tier |
| 16 |
GPT4Free
|
LLM Infrastructure | 7.7 | 66,597 | Free tier |
| 17 |
OpenHands
|
AI Coding | 7.7 | 84,978 | Free tier |
| 18 |
paperless-ngx
|
Productivity | 7.7 | 44,708 | Free tier |
| 19 |
PEFT
|
Model Training | 7.7 | 21,607 | Free tier |
| 20 |
PyTorch Image Models (timm)
|
Model Training | 7.7 | 37,108 | Free tier |
| 21 |
Roboflow Supervision
|
Computer Vision | 7.7 | 49,796 | Free tier |
| 22 |
Superpowers
|
AI Agents | 7.7 | 300,227 | Free tier |
| 23 |
Ultralytics
|
Computer Vision | 7.7 | 60,922 | Free tier |
| 24 |
Graphify
|
RAG & Search | 7.6 | 110,108 | Free tier |
| 25 |
Hermes Agent
|
AI Agents | 7.6 | 235,726 | Free tier |
| 26 |
LlamaIndex
|
RAG & Search | 7.6 | 51,855 | Free tier |
| 27 |
Netdata
|
Observability | 7.6 | 80,279 | Free tier |
| 28 |
OCRmyPDF
|
Computer Vision | 7.6 | 34,621 | Free tier |
| 29 |
ScrapeGraphAI
|
Web Scraping | 7.6 | 29,865 | Free tier |
| 30 |
Tesseract
|
Computer Vision | 7.6 | 76,163 | Free tier |
| 31 |
AnythingLLM
|
RAG & Search | 7.5 | 65,151 | Free tier |
| 32 |
Conductor
|
Automation | 7.5 | 32,144 | Free tier |
| 33 |
Frigate
|
Computer Vision | 7.5 | 35,497 | Free tier |
| 34 |
Headroom
|
LLM Infrastructure | 7.5 | 67,411 | Free tier |
| 35 |
Hindsight
|
AI Agents | 7.5 | 40,675 | Free tier |
| 36 |
LightRAG
|
RAG & Search | 7.5 | 39,263 | Free tier |
| 37 |
PaddleOCR
|
Computer Vision | 7.5 | 88,223 | Free tier |
| 38 |
SiYuan
|
Productivity | 7.5 | 46,046 | Free tier |
| 39 |
vLLM
|
LLM Infrastructure | 7.5 | 89,894 | Free tier |
| 40 |
fastai
|
Model Training | 7.4 | 28,127 | Free tier |
| 41 |
HyperFrames
|
AI Video | 7.4 | 63,126 | Free tier |
| 42 |
OpenCode
|
AI Coding | 7.4 | 214,084 | Free tier |
| 43 |
OpenCodeReview
|
AI Agents | 7.4 | 46,345 | Free tier |
| 44 |
Pake
|
AI Coding | 7.4 | 61,060 | Free tier |
| 45 |
Pascal Editor
|
MCP Servers | 7.4 | 24,598 | Free tier |
| 46 |
VoiceStudio
|
Voice Generation | 7.4 | 59,365 | Free tier |
| 47 |
AutoGPT
|
AI Agents | 7.3 | 186,851 | Free tier |
| 48 |
CrewAI
|
AI Agents | 7.3 | 57,572 | Free tier |
| 49 |
DeerFlow
|
AI Agents | 7.3 | 80,799 | Free tier |
| 50 |
Lightpanda
|
Web Scraping | 7.3 | 34,314 | Free tier |
| 51 |
LlamaFactory
|
Model Training | 7.3 | 74,318 | Free tier |
| 52 |
Mem0
|
AI Agents | 7.3 | 63,962 | Free tier |
| 53 |
Ollama
|
LLM Infrastructure | 7.3 | 179,343 | Free tier |
| 54 |
Open WebUI
|
LLM Infrastructure | 7.3 | 149,796 | Free tier |
| 55 |
OpenDataLoader PDF
|
Web Scraping | 7.3 | 28,860 | Free tier |
| 56 |
Page Agent
|
AI Agents | 7.3 | 28,903 | Free tier |
| 57 |
Strix
|
AI Agents | 7.3 | 66,328 | Free tier |
| 58 |
Unsloth
|
LLM Infrastructure | 7.3 | 74,615 | Free tier |
| 59 |
Codex CLI
|
AI Coding | 7.2 | 128,469 | Free tier |
| 60 |
LiveKit
|
Voice Generation | 7.2 | 21,304 | Free tier |
| 61 |
OpenHuman
|
LLM Infrastructure | 7.2 | 41,639 | Free tier |
| 62 |
PageIndex
|
RAG & Search | 7.2 | 38,429 | Free tier |
| 63 |
Ponytail
|
AI Coding | 7.2 | 109,701 | Free tier |
| 64 |
Ray
|
LLM Infrastructure | 7.2 | 43,649 | Free tier |
| 65 |
SGLang
|
LLM Infrastructure | 7.2 | 36,702 | Free tier |
| 66 |
text-to-cad
|
AI Agents | 7.2 | 17,023 | Free tier |
| 67 |
Univer
|
AI Agents | 7.2 | 21,116 | Free tier |
| 68 |
cognee
|
RAG & Search | 7.1 | 30,346 | Free tier |
| 69 |
Dify
|
Productivity | 7.1 | 153,386 | Free tier |
| 70 |
Orca
|
AI Coding | 7.1 | 93,876 | Free tier |
| 71 |
pyVideoTrans
|
AI Video | 7.1 | 18,837 | Free tier |
| 72 |
DeepSpeed
|
Model Training | 7 | 43,022 | Free tier |
| 73 |
Hugging Face Datasets
|
Model Training | 7 | 21,878 | Free tier |
| 74 |
Kestra
|
Automation | 7 | 27,953 | Free tier |
| 75 |
MediaPipe
|
Computer Vision | 7 | 36,773 | Free tier |
| 76 |
n8n
|
MCP Servers | 7.0 | 202,331 | Free tier |
| 77 |
Paperclip
|
LLM Infrastructure | 7 | 102,907 | Free tier |
| 78 |
Skyvern
|
AI Agents | 7 | 22,880 | Free tier |
| 79 |
TradingAgents
|
AI Agents | 7.0 | 99,713 | Free tier |
| 80 |
Vector
|
Observability | 7 | 22,487 | Free tier |
| 81 |
VoxCPM
|
Voice Generation | 7 | 36,269 | Free tier |
| 82 |
Beads
|
AI Coding | 6.9 | 27,583 | Free tier |
| 83 |
RuFlo
|
AI Agents | 6.9 | 69,289 | Free tier |
| 84 |
WorldMonitor
|
Observability | 6.9 | 84,038 | Free tier |
| 85 |
AirLLM
|
LLM Infrastructure | 6.8 | 36,847 | Free tier |
| 86 |
Heretic
|
LLM Infrastructure | 6.8 | 33,260 | Free tier |
| 87 |
MinerU
|
Web Scraping | 6.8 | 78,777 | Free tier |
| 88 |
Qdrant
|
RAG & Search | 6.8 | 34,263 | Free tier |
| 89 |
RAGFlow
|
RAG & Search | 6.8 | 89,162 | Free tier |
| 90 |
RocketRide
|
RAG & Search | 6.8 | 17,177 | Free tier |
| 91 |
RTK
|
LLM Infrastructure | 6.8 | 77,280 | Free tier |
| 92 |
ToolJet
|
AI Coding | 6.8 | 40,794 | Free tier |
| 93 |
Caveman
|
AI Coding | 6.7 | 100,681 | Free tier |
| 94 |
Cua
|
AI Agents | 6.7 | 28,925 | Free tier |
| 95 |
Docker Agent
|
AI Agents | 6.7 | 4,334 | Free tier |
| 96 |
Label Studio
|
Model Training | 6.7 | 28,162 | Free tier |
| 97 |
Lark CLI
|
AI Coding | 6.7 | 17,636 | Free tier |
| 98 |
LobeHub
|
AI Agents | 6.7 | 81,969 | Free tier |
| 99 |
meetily
|
Meeting Notes | 6.7 | 31,238 | Free tier |
| 100 |
MLflow
|
Observability | 6.7 | 27,734 | Free tier |
Showing the top 100 of 145. Browse them all.