letta.com's rivals

Provides AI agents with persistent, structured memory and active context management. This aims to improve accuracy and reduce token costs during interactions. Assists with building AI agents that remember, learn, and…

Provides a local-first AI agent with a self-evolving memory foundation. The desktop app, CLI, and external agents share long-term context. It is designed for individuals who use multiple AI tools regularly. The tool…

Local-first AI context engine featuring semantic search, temporal recall, and on-device indexing.

Provides shared memory for AI systems, allowing teams to reuse information. It offers a single source of truth accessible to AI clients across sessions. This reduces context load for AI requests and avoids scattered…

Provides a shared AI context layer for teams, syncing captured knowledge across multiple AI agents and clients.

Provides persistent long-term memory for artificial intelligence agents by extracting and updating facts from conversations and documents.

Provides persistent, searchable project memory for AI coding agents to retain architecture decisions and conventions across sessions.

Provides shared, persistent project memory for AI coding agents to retain context across different tools and sessions.

A local-first desktop organizer providing connected AI clients with selected domain knowledge and read-only tools.

Provides a context layer for AI data agents to recall durable data and reconcile definitions from various sources. It can be connected to Claude Code, Cursor, Codex, or claude.ai. The system aims to manage context,…

Provides shared, verifiable memory that artificial intelligence agents can check and hand between each other.

Provides AI agents and apps with persistent memory of past user interactions. It improves agent intelligence and personalization by enabling continuous learning.

Provides managed memory infrastructure for AI agents and applications. It offers session memories and workspace knowledge retrieval in milliseconds, designed for production environments.

Enables agents to continually learn, adapt, and transfer knowledge in live environments. It offers an open-source SDK for developers to build agents that improve over time through experience.

Provides persistent memory for LLM agents using graph, vector, and relational retrieval.

Provides shared long-term memory for AI coding agents and teams to store discoveries and product knowledge.

Provides durable shared memory for artificial intelligence agents to recall information by meaning across sessions and workflows.

Provides persistent long-term memory management for various AI agents locally.

Provides durable context for agent sessions with owner-scoped storage. It enables searching and sharing persistent data across agent runs, including session presence. It offers a protocol guide for connecting agents…

Indexes terminal and coding agent sessions by directory to recall, search, and resume past work.

Encrypted memory layer that carries approved context across AI assistants with user control.