Best tools to build AI chatbots and assistants
Combine an app framework, a RAG pipeline, and a model API or local runtime to ship a chatbot that answers from your knowledge base.
Recommended tools
Open sourceDébutant
4.7
NOUVEAUDify LLM App Development Platform
An open-source LLM application development platform offering visual orchestration, a RAG engine, and Agent capabilities for building AI apps quickly.
DifyLLMOpsApp Development
DifyMis à jour 2026-07-09
Open sourceIntermédiaire
4.7
NOUVEAUOpen WebUI
A feature-rich, self-hosted AI chat interface that supports Ollama and OpenAI-compatible APIs and can run fully offline.
Open WebUIInterfaceSelf-hosted
Open WebUIMis à jour 2026-06-28
GuideIntermédiaire
4.6
NOUVEAULangChain Framework Tutorial
Dive into the LangChain framework and master the core concepts of LLM application development, including Chains, Agents, and Memory.
LangChainLLMFramework
AI Resource HubMis à jour 2026-06-24
GuideIntermédiaire
4.5
NOUVEAULlamaIndex Framework Tutorial
Learn to build RAG applications and knowledge base systems with LlamaIndex.
LlamaIndexRAGKnowledge Base
LlamaIndexMis à jour 2026-06-26
Open sourceIntermédiaire
4.6
NOUVEAUDeploying Local LLMs with Ollama
Run large language models locally with Ollama, supporting open-source models such as Llama and Mistral.
Local DeploymentOpen SourceOllama
OllamaMis à jour 2026-06-25