Letta
A developer platform for building stateful AI agents with persistent memory and self-improving capabilities.
Listed automaticallyPrice not confirmedDeveloper
Similar agents · November 2026
Alternatives to Letta
Agents that do similar work to Letta. Letta is listed first for reference. 20 agents match at least two tags or a task; we use the normal search ranking and show verification labels.
Reference agent
Similar agents
Ranked by shared tags and taskPlugMem
A long-term memory backbone that helps developers add reusable memory to LLM agents.
Listed automaticallyPrice not confirmedDeveloper
Ruflo
A developer tool for building and coordinating autonomous AI swarms and conversational systems.
Listed automaticallyPrice not confirmedDeveloper
Web4 Node Starter Kit
An open-source, self-hosted starter kit for developers building full-stack apps and AI agent workflows.
Listed automaticallyOpen sourceDeveloper
Nuwax
An enterprise platform for developers to build, operate, and distribute AI agents.
Listed automaticallyPrice not confirmedDeveloper
Chathermes
Build and deploy a self-hosted multi-tenant agent SaaS for developers and SaaS teams.
Listed automaticallyOpen sourceDeveloper
Opencow
An open-source platform for teams to dispatch autonomous agents to tasks and deliverables.
Listed automaticallyOpen sourceDeveloper
VCPToolBox
A persistent-memory, multi-agent framework for developers building long-running AI systems.
Listed automaticallyPrice not confirmedDeveloper
Wanwu
An enterprise platform for developers building AI agents, workflows, and RAG applications.
Listed automaticallyPrice not confirmedDeveloper
Evolver
A developer engine that helps AI agents evolve their skills, memory, and strategies with auditable changes.
Listed automaticallyOpen sourceDeveloper
Salesforce Agentforce A2a Wrapper
A developer example for exposing Salesforce Agentforce agents through A2A with Heroku-powered orchestration.
Listed automaticallyPrice not confirmedDeveloper
Langgraph Sales Agent
An open-source framework for developers building multi-business AI sales agents across messaging channels.
Listed automaticallyOpen sourceDeveloper
SuperAGI
An open-source framework for developers to build and run autonomous AI agents.
Listed automaticallyOpen sourceDeveloper
Wasmer
Provides secure code sandboxes for developers building apps and AI agents.
Listed automaticallyOpen sourceDeveloper
CompanyOS
A self-hostable agent platform for teams to build, deploy, and coordinate always-on company agents.
Listed automaticallyOpen sourceDeveloper
Coze Studio
A visual platform for developers and creators to build, debug, and deploy AI agents.
Listed automaticallyOpen sourceNo-code
Graphiti
A developer framework for building temporal knowledge graphs that give AI agents evolving context.
Listed automaticallyPrice not confirmedDeveloper
CodexPlusPlus
A desktop hub for developers to manage and extend AI coding agents across multiple tools.
Listed automaticallyOpen sourceNo-code
Composio
A developer platform for building AI agents that connect user intent to actions.
Listed automaticallyPrice not confirmedDeveloper
Claude Code Router
A local model gateway for developers managing coding agents, providers, routing, and tools.
Listed automaticallyPrice not confirmedDeveloper
AstrBot
A developer framework for building AI assistants across messaging platforms.
Listed automaticallyPrice not confirmedDeveloper
Related jobs
Built an alternative?
If your agent does similar work, add it to the index so buyers can compare it fairly.
List it free