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Discover 43+ curated open source AI tools, libraries, and frameworks

Showing 43 resources
🦜

LangChain

LLMs

Framework for building LLM-powered applications using composable primitives.

LLMRAGAgents
Python / TypeScript100k
πŸ¦™

llama.cpp

LLMs

Run LLaMA-class models efficiently on consumer hardware.

LLaMAInferenceLocal LLM
C++75k
πŸ¦™

Ollama

LLMs

Simple local LLM runtime with a clean developer experience.

Local LLMInferenceCLI
Go120k
⚑

vLLM

LLMs

High-throughput, memory-efficient LLM serving engine.

InferenceServingPerformance
Python45k
πŸ”€

LiteLLM

LLMs

Unified API interface for 100+ LLM providers.

LLMAPIMulti-provider
Python20k
🧠

DSPy

LLMs

Programming framework for self-improving LLM pipelines.

Prompt optimizationAgentsRAG
Python23k
β–²

Vercel AI SDK

LLMs

The TypeScript toolkit for building AI-powered apps and agents.

TypeScriptNext.jsStreaming
TypeScript15k
πŸ€—

Hugging Face Transformers

NLP

State-of-the-art pretrained models for NLP, vision, and audio.

TransformersBERTGPT
Python140k
🧩

Sentence Transformers

NLP

Dense vector representations for sentences and paragraphs.

EmbeddingsSimilaritySearch
Python16k
πŸ”€

spaCy

NLP

Industrial-strength NLP library for Python.

NERTokenizationProduction NLP
Python31k
πŸ“

Outlines

NLP

Structured text generation with regex and JSON schema constraints.

Structured outputJSONConstrained generation
Python12k
πŸ‘οΈ

YOLO (Ultralytics)

Computer Vision

Real-time object detection, segmentation, and pose estimation.

YOLODetectionReal-time
Python40k
βœ‚οΈ

Segment Anything Model

Computer Vision

Meta's foundation model for zero-shot image segmentation.

SegmentationMetaFoundation model
Python55k
πŸ“·

OpenCV

Computer Vision

The world's largest computer vision library.

OpenCVImage processingVideo
C++ / Python80k
πŸ–ΌοΈ

timm (PyTorch Image Models)

Computer Vision

600+ pretrained vision models for PyTorch.

ViTResNetClassification
Python33k
πŸ“

Qdrant

Vector Databases

High-performance vector database for similarity search and RAG.

VectorsSearchRAG
Rust22k
πŸ•ΈοΈ

Weaviate

Vector Databases

Open-source vector database with built-in ML model integration.

Vector DBHybrid searchGraphQL
Go12k
🎨

Chroma

Vector Databases

The AI-native open-source embedding database.

Vector DBEmbeddingsRAG
Python18k
πŸ›οΈ

Milvus

Vector Databases

Cloud-native vector database built for billion-scale similarity search.

Vector DBEnterpriseScalable
Go / C++33k
πŸ“Š

MLflow

MLOps

Open platform for managing the full ML lifecycle.

MLOpsTrackingDeployment
Python20k
πŸ“ˆ

Weights & Biases

MLOps

Experiment tracking, model observability, and LLM monitoring.

MLOpsTrackingVisualization
Python10k
πŸ“¦

DVC

MLOps

Data version control for ML projects.

Data versioningReproducibilityPipelines
Python14k
β˜€οΈ

Ray

MLOps

Distributed computing framework for AI and Python workloads.

DistributedScalingTraining
Python36k
🦎

Axolotl

Training & Fine-tuning

Streamlined fine-tuning of LLMs with PEFT and full-param support.

Fine-tuningLoRALLM
Python10k
πŸŽ›οΈ

PEFT

Training & Fine-tuning

Parameter-efficient fine-tuning methods by Hugging Face.

LoRAFine-tuningEfficient
Python18k
πŸŽ–οΈ

TRL

Training & Fine-tuning

Transformer Reinforcement Learning for RLHF and alignment.

RLHFAlignmentDPO
Python13k
πŸš€

DeepSpeed

Training & Fine-tuning

Deep learning optimization library for large-scale training.

TrainingDistributedMicrosoft
Python37k
πŸ”—

LangGraph

Agents & Orchestration

Build stateful, graph-based LLM agent workflows.

AgentsGraphsLangChain
Python / TypeScript15k
πŸ‘₯

CrewAI

Agents & Orchestration

Framework for orchestrating role-playing AI agents.

AgentsMulti-agentOrchestration
Python28k
πŸ€–

OpenAI Agents SDK

Agents & Orchestration

Lightweight Python framework for building multi-agent workflows.

AgentsMulti-agentOpenAI
Python20k
🧱

Mastra

Agents & Orchestration

TypeScript-first agent framework built on the Vercel AI SDK.

AgentsTypeScriptNext.js
TypeScript14k
πŸ”·

Google Agent Development Kit

Agents & Orchestration

Modular Python framework for building Google-native AI agents.

AgentsGoogleGemini
Python18k
πŸ§‘β€πŸ’»

smolagents

Agents & Orchestration

Minimal code-first agent library by Hugging Face.

AgentsCode executionHugging Face
Python15k
πŸŽ›οΈ

Dify

Agents & Orchestration

Open-source low-code platform for building AI agent applications.

AgentsLow-codeRAG
Python / TypeScript130k
🐼

pandas

Data Processing

The standard data manipulation library for Python.

DataDataFrameAnalysis
Python44k
⚑

Polars

Data Processing

Blazing fast DataFrame library written in Rust.

DataDataFramePerformance
Rust / Python32k
πŸ”§

dbt

Data Processing

SQL-based transformation tool for analytics engineering.

AnalyticsSQLData warehouse
Python / SQL10k
πŸ“

RAGAS

Evaluation

Evaluation framework for RAG pipelines.

EvaluationRAGMetrics
Python9k
πŸ“‹

LM Evaluation Harness

Evaluation

Unified framework for evaluating language models on 200+ benchmarks.

EvaluationBenchmarksMMLU
Python8k
πŸ§ͺ

promptfoo

Evaluation

Test and evaluate LLM outputs with CI/CD integration.

EvaluationTestingCI/CD
TypeScript6k
πŸ”¬

DeepEval

Evaluation

The open-source LLM evaluation framework with 50+ research-backed metrics.

EvaluationTestingLLM
Python7k
πŸͺ’

Langfuse

LLM Observability

Open-source LLM engineering platform for tracing, evals, and prompt management.

ObservabilityTracingEvals
TypeScript19k
πŸ”­

Arize Phoenix

LLM Observability

OpenTelemetry-native LLM observability and evaluation platform.

ObservabilityOpenTelemetryRAG
Python5k

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