Best LangChain / LangSmith Alternatives in 2026

#1 alternative

LlamaIndex

Data framework for LLM apps and knowledge agents

#2 alternative

Gumloop

A no-code canvas for building AI-powered automations and agents.

#3 alternative

Relevance AI

Relevance AI is an enterprise AI workforce platform for building and managing business agents at scale

#4 alternative

Cluely

Real-time, undetectable AI that watches your screen and hears your calls to feed you live answers.

#5 alternative

Manus

A general-purpose AI agent that plans and executes multi-step tasks on its own.

#6 alternative

Bardeen

A browser-based AI automation tool for repetitive web tasks and workflows.

#7 alternative

Agentforce

Agentforce is Salesforce's enterprise AI agent platform that enables companies to build, deploy, and manage autonomous AI agents at scale

#8 alternative

CrewAI

CrewAI is an open-source framework for orchestrating multi-agent AI workflows, offering both a visual no-code editor and CLI for developers

#9 alternative

Flowise

Flowise is an open-source visual builder for creating LLM applications and AI agents using a drag-and-drop interface

#10 alternative

Langflow

Langflow is an open-source, low-code visual builder for creating AI agents, RAG applications, and MCP servers

#11 alternative

Genspark

Genspark is an all-in-one AI workspace that combines AI search with productivity tools including presentation makers, spreadsheet generators, document editors, and specialized agents for research, des

#12 alternative

Lindy

Lindy is a no-code AI agent platform that automates email management, meeting scheduling, call notes, and workflow tasks across sales, marketing, support, and recruiting