# Letta

> Stateful agents with memory that persists and improves with experience, from the makers of MemGPT: Letta Code ships a terminal UI, an app server for self-hosted agents and an Agent SDK, with Letta Cloud to carry memory across machines. Open source (Apache-2.0); free with your own API keys, Pro $20/month.

- Official site: https://www.letta.com
- Category: [AI Editors & Agents](https://digidle.com/category/ai-editors/)
- Tags: memory, agent, open-source
- Pricing: not verified by Digidle; see the official site.
- Listing page: https://digidle.com/tools/letta/
- Alternatives page: https://digidle.com/alternatives/letta/

## In collections

- [AI Agent Infrastructure](https://digidle.com/collections/ai-agent-infrastructure/)

## Best-of lists

- [AI agent memory tools](https://digidle.com/best/ai-agent-memory/)

## Other AI Editors & Agents tools

- [Cursor](https://digidle.com/tools/cursor.md): AI coding agent and VS Code-based editor with codebase-aware chat, autocomplete and agent mode.
- [Devin Desktop (formerly Windsurf)](https://digidle.com/tools/windsurf.md): AI-native IDE from Cognition, renamed from Windsurf (originally Codeium), with the Cascade agent for multi-file edits.
- [GitHub Copilot](https://digidle.com/tools/github-copilot.md): GitHub's AI pair programmer with completions, chat and coding agent across popular editors.
- [Claude Code](https://digidle.com/tools/claude-code.md): Anthropic's agentic coding tool that runs in the terminal and works across your codebase.
- [v0](https://digidle.com/tools/v0.md): Vercel's generative UI and app builder producing React/Next.js code from prompts.
- [Bolt.new](https://digidle.com/tools/bolt.md): StackBlitz's in-browser AI full-stack app builder powered by WebContainers.
- [Lovable](https://digidle.com/tools/lovable.md): AI app builder that generates full-stack web apps from natural language.
- [Replit](https://digidle.com/tools/replit.md): Browser-based IDE and hosting with Replit Agent for building apps from prompts.

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Source: Digidle Tools (https://digidle.com/), a curated directory of developer and vibe-coding tools. Full index: https://digidle.com/llms.txt