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146 results for "free"
AutoGPT
Python • MIT (Classic) / Polyform Shield (Platform)
The original autonomous AI agent — give it a goal, it plans and executes
CrewAI
Python • MIT
Multi-agent orchestration
LangGraph
Python • MIT
Graph-based agent framework
Agno (phidata)
Python • MIT
Production multi-agent with memory
Mem0
Python • Apache-2.0
Long-term memory for agents
Letta (MemGPT)
Python • Apache-2.0
Agents with persistent memory — recall past conversations
OpenAI Agents SDK
Python • MIT
OpenAI official agents
PraisonAI
Python • MIT
Low-code multi-agent
Pydantic AI
Python • MIT
Type-safe agents
LangChain
Python • MIT
Chain-based LLM framework — prompts, chains, agents, memory
LlamaIndex
Python • MIT
Data framework for LLMs — RAG, agents, data connectors
Haystack (deepset)
Python • Apache-2.0
LLM framework — RAG, question answering, semantic search
Semantic Kernel
C#/Python • MIT
Microsoft SDK for AI orchestration — skills, planners, memory
Ollama
Go • MIT
Run LLMs locally — one command, any model
LM Studio
TypeScript/Python • Proprietary (free personal)
Desktop app for local LLMs — discover, download, chat
vLLM
Python • Apache-2.0
High-throughput LLM serving — PagedAttention, continuous batching
LocalAI
Go • MIT
Drop-in OpenAI replacement — run LLMs locally
KoboldCPP
C++ • AGPL-3.0
LLM inference for gamers — one-click, GPU-optimized
Text Generation Inference
Python/Rust • Apache-2.0
HuggingFace production serving — optimized for inference
LMDeploy
Python • Apache-2.0
Efficient LLM serving — compression, quantization, high throughput
Text Generation WebUI
Python • AGPL-3.0
Web interface for LLMs — notebooks, chat, API
Open WebUI
TypeScript + Python • MIT
Self-hosted ChatGPT alternative — supports all major LLMs, RAG, and multi-user
Dify
TypeScript + Python • Apache-2.0
Visual AI app builder — RAG, agents, workflows, and MCP in one platform
Flowise
TypeScript • Apache-2.0
Visual AI builder — drag-and-drop LLM workflows
LibreChat
TypeScript • Apache-2.0
Open-source ChatGPT alternative — multi-provider, multi-user
AnythingLLM
JavaScript • MIT
Private AI assistant — documents, agents, multi-user
Big-AGI
TypeScript • MIT
Premium ChatGPT UI — multi-provider, knowledge files
FastGPT
TypeScript • Apache-2.0
Open-source AI knowledge base — RAG, agents, workflows
Jan
TypeScript • Apache-2.0
Open-source ChatGPT alternative — 100% local, privacy-first
Chatbot UI
TypeScript • MIT
Open-source ChatGPT UI — customizable, multi-provider
Morphic
TypeScript • Apache-2.0
Open-source AI search — conversational, multi-modal
Chatwoot
Ruby • MIT
Open-source customer support — multi-channel, AI-powered
Cursor
TypeScript • Proprietary
AI-first code editor — VS Code fork with deep AI integration
Cline (Claude Dev)
TypeScript • Apache-2.0
Autonomous coding agent — VS Code extension, CLI, and SDK for AI-assisted development
Aider
Python • Apache-2.0
AI pair programming — terminal-based, git-aware
Continue
TypeScript • Apache-2.0
Open-source AI coding assistant
Bolt.new
TypeScript • MIT (OSS) / Proprietary (Commercial)
AI full-stack web app builder in the browser — prompt, generate, deploy
Replit Agent
TypeScript • Proprietary
AI software creation — from idea to deployed app
v0 by Vercel
TypeScript • Proprietary
AI UI generation — from text to React components
Codegen
TypeScript • MIT
AI code generation — from specs to production code
Stable Diffusion WebUI (A1111)
Python • AGPL-3.0
Most popular Stable Diffusion interface — txt2img, img2img, inpainting
ComfyUI
Python • GPL-3.0
Node-based Stable Diffusion UI
Fooocus
Python • GPL-3.0
Optimized image generation — SDXL made simple
InvokeAI
Python • Apache-2.0
Creative image generation — professional workflow for artists
Kohya SS
Python • Apache-2.0
Stable Diffusion training — LoRA, Dreambooth, fine-tuning
Whisper (OpenAI)
Python • MIT
OpenAI speech recognition
WhisperX
Python • MIT
Fast transcription — batch processing, speaker diarization
Bark (Suno)
Python • MIT
Text-to-audio with voice cloning
Retrieval-based Voice Conversion
Python • MIT
Real-time voice conversion
AudioCraft (Meta)
Python • MIT
Music generation — Meta open-source models for audio creation
F5-TTS
Python • Apache-2.0
Natural text-to-speech — flow matching for human-like voices
So-VITS-SVC
Python • MIT
Voice conversion — sing like any singer, speak like any voice
GPT-4o
API • Proprietary
OpenAI flagship multimodal model — fast, fluent, and audio-native
GPT-4
API • Proprietary
OpenAI flagship multimodal model
Claude 3.5 Sonnet
API • Proprietary
Anthropic most capable model — deep reasoning, coding, and 200K context
Claude 3 Opus
API • Proprietary
Anthropic flagship with 200K context
Gemini 1.5 Pro
API • Proprietary
Google most capable model — deep reasoning, 1M context, multimodal
GPT-4o mini
API • Proprietary
OpenAI cheapest model — most of GPT-4 quality at 1/10th cost
Claude 3 Haiku
API • Proprietary
Anthropic fastest most affordable model
Gemini 1.5 Flash
API • Proprietary
Google fast multimodal model — 1M token context, real-time inference
Grok-2
API • Proprietary
xAI frontier model — real-time knowledge, code generation, long context
Llama 3 (8B)
Python • Meta License
Meta efficient model — runs on laptops, strong performance
Llama 3 (70B)
Python • Meta License
Meta open-weight model — near-frontier performance, self-hostable
Mistral Large
API • Proprietary
Mistral flagship model — European frontier, code generation, reasoning
Mixtral 8x7B
Python • Apache-2.0
Mixture-of-experts model — fast inference, strong performance
Qwen 2.5
Python • Apache-2.0
Alibaba open-weight model — Chinese frontier, code generation, math
DeepSeek V3
Python • MIT
Open-weight model rivaling GPT-4 at 1/10th cost
o1
API • Proprietary
OpenAI reasoning model — chain-of-thought, math, coding
Command R+
API • Proprietary
Cohere enterprise model — RAG-optimized, long context, multilingual
n8n
TypeScript • Fair-code (Functional Source License 1.1)
Fair-code workflow automation with native AI — self-hosted or cloud
Activepieces
TypeScript • MIT
Open-source AI workflow automation — 400+ MCP servers for AI agents
Khoj
Python • AGPL-3.0
AI second brain — self-hosted RAG with web search, agents, and automation
Msty
TypeScript • Proprietary
Desktop app for local LLMs — model management, RAG, and chat in one polished interface
Open Interpreter
Python • MIT
Code execution AI — runs Python, R, Shell locally
Lovable
TypeScript • Proprietary
AI web app builder — describe, generate, deploy for non-developers
Taipy
Python • Apache-2.0
Turn data and AI algorithms into production-ready web apps with Python
Marimo
Python • Apache-2.0
Reactive Python notebook — reproducible, Git-friendly, AI-native
Streamlit
Python • Apache-2.0
Turn Python scripts into interactive web apps — zero frontend code
Gradio
Python • Apache-2.0
Build ML demos in Python — images, audio, video, text
llama.cpp
C++ • MIT
LLM inference engine in C/C++ — powers Ollama, LM Studio, and the local AI stack
Transformers
Python • Apache-2.0
HuggingFace unified model framework — NLP, vision, audio, multimodal
Diffusers
Python • Apache-2.0
State-of-the-art diffusion models for image, video, and audio generation
DSPy
Python • MIT
Programming—not prompting—language models. Declarative specs compiled to optimized prompts.
Unsloth
Python • Apache-2.0
Fine-tune LLMs 2-5x faster with 70% less VRAM — consumer GPU friendly
Axolotl
Python • Apache-2.0
YAML-configurable fine-tuning for LoRA, QLoRA, and full fine-tuning
SGLang
Python • Apache-2.0
High-performance LLM serving with structured output — JSON mode, regex constraints
Xinference
Python • Apache-2.0
Run any LLM with one line of code — unified inference API
Langfuse
TypeScript • MIT
Open-source LLM observability — tracing, evals, cost tracking, prompt management
Phoenix (Arize)
Python • Apache-2.0
AI observability — tracing, evaluation, experimentation
Helicone
TypeScript • MIT
One-line LLM observability — real-time dashboards and cost tracking
LangSmith
Python • Proprietary
LangChain ops platform — tracing, debugging, testing, evaluation
PromptLayer
Python • Proprietary
Prompt management — version control, analytics, A/B testing
BentoML
Python • Apache-2.0
Unified ML model serving — any model type, production-ready
MLflow
Python • Apache-2.0
ML lifecycle — experiment tracking, model packaging, registry
Trubrics
Python • MIT
AI trust — user feedback, performance monitoring, governance
Evidently AI
Python • Apache-2.0
ML model monitoring — data drift detection, performance reports
Whylogs
Python • Apache-2.0
Lightweight data logging for ML monitoring — profile data, detect anomalies
Milvus
Go/Python • Apache-2.0
Distributed vector database — cloud-native, billion-scale
Qdrant
Rust • Apache-2.0
High-performance vector database — billion-scale similarity search
Weaviate
Go • BSD-3
Multimodal vector database — GraphQL, REST, hybrid search
Chroma
Python/Rust • Apache-2.0
Embedded vector database — simplest path to production RAG
RAGFlow
Python • Apache-2.0
Open-source RAG engine — deep document understanding
Docling
Python • MIT
Document conversion — PDF, Word, Excel, PowerPoint to markdown
Marker
Python • Apache-2.0
PDF to markdown — fast, accurate, open-source
Unstructured
Python • Apache-2.0
Document preprocessing — any format to LLM-ready chunks
Label Studio
Python • Apache-2.0
Data labeling — text, image, audio, video annotation
Argilla
Python • Apache-2.0
Data curation — human-in-the-loop for LLM training data
Airbyte
Python/Java • MIT
Data integration — 350+ connectors, ELT pipelines
Mage AI
Python • Apache-2.0
Data pipelines — notebook-style ETL with AI
dbt
Python/SQL • Apache-2.0
Data transformation — analytics engineering standard
Feast
Python • Apache-2.0
Feature store — serve ML features consistently
Great Expectations
Python • Apache-2.0
Data validation — test, document, profile your data
Faraday.dev
Python • GPL-3.0
AI-powered security operations — SOAR platform
Ollama UI
TypeScript • MIT
Web interface for Ollama — chat with local LLMs
GPT4All
C++ • MIT
Run LLMs locally — no API key, no internet required
HuggingChat
Python • Apache-2.0
Chat with any HuggingFace model — free, no setup
Lobe Chat
TypeScript • MIT
Beautiful chat interface — supports all major LLMs
AgentArena
Python • MIT
Compare AI agents side-by-side — benchmark and evaluate
MetaGPT
Python • MIT
Multi-agent collaboration — assign roles, build software
AutoGen
Python • MIT
Multi-agent conversations — Microsoft research framework
Haystack
Python • Apache-2.0
LLM framework — RAG, question answering, semantic search
ComfyUI (Workflow)
Python • GPL-3.0
Node-based image generation — maximum control, maximum flexibility
Fooocus
Python • GPL-3.0
Optimized image generation — SDXL made simple
InvokeAI
Python • Apache-2.0
Creative image generation — professional workflow for artists
Kohya SS
Python • Apache-2.0
Stable Diffusion training — LoRA, Dreambooth, fine-tuning
Bark (Suno)
Python • MIT
Text-to-speech — generate audio, music, and sound effects
Whisper (OpenAI)
Python • MIT
Speech recognition — transcribe 99 languages with near-human accuracy
F5-TTS
Python • Apache-2.0
Natural text-to-speech — flow matching for human-like voices
Retrieval-based Voice Conversion
Python • MIT
Real-time voice conversion — low latency, high quality
AudioCraft (Meta)
Python • MIT
Music generation — Meta open-source models for audio creation
LM Studio
TypeScript/Python • Proprietary (free personal)
Desktop app for local LLMs — discover, download, chat
AnythingLLM
JavaScript • MIT
Private AI assistant — documents, agents, multi-user
Eliza
TypeScript • MIT
Autonomous AI agent — character-based, multi-platform
TensorRT-LLM
Python/C++ • Apache-2.0
NVIDIA optimized LLM inference — maximum speed on NVIDIA GPUs
Bark (Suno)
Python • MIT
Text-to-speech — generate audio, music, and sound effects
Whisper (OpenAI)
Python • MIT
Speech recognition — transcribe 99 languages with near-human accuracy
Chroma
Python/Rust • Apache-2.0
Embedded vector database — simplest path to production RAG
Qdrant (alt)
Rust • Apache-2.0
High-performance vector database — billion-scale similarity search
Weaviate (alt)
Go • BSD-3
Multimodal vector database — GraphQL, REST, hybrid search
OpenMAIC
Python • Apache-2.0
Open-source AI content generation — text, image, video, audio
Cap
TypeScript • MIT
Open-source Loom alternative — beautiful, shareable screen recordings with AI features
OpenClaw
Python • MIT
AI agent skills marketplace
Hallmark
CSS • MIT
Anti-AI-slop design skill
Impeccable
JavaScript • Apache-2.0
The design language that makes your AI harness better at design
Archify
JavaScript • MIT
AI architecture diagram skill
HyperFrames
TypeScript • Apache 2.0
HTML-native video rendering framework built for AI agents