Alternatives / Msty Claw
Looking for an open source Msty Claw alternative? We compared 6 open source personal AI agents and assistants by license, self-hosting, messaging channels, and security. They run on your own machine or servers with the models you choose, and two of them use licenses or deployments that are not fully open.
Written by Maxime DERAME
Last updated:
| Alternative | Best for | License |
|---|---|---|
| OpenClaw | Assistant inside your chat apps | MIT |
| Hermes Agent | Persistent agent with long-term memory | MIT |
| nanobot | Lightweight self-hosted agent | MIT |
| ZeroClaw | Single Rust binary with many models and channels | MIT or Apache-2.0 |
| Kortix | Company-wide agents (source available) | Elastic License 2.0 |
| IronClaw | Private agent runtime in trusted enclaves (tied to NEAR AI Cloud) | Apache-2.0 |
We looked for open-source tools that overlap with a personal AI assistant: an agent that runs continuously, remembers context, uses tools, and reaches you through chat apps. We verified each project's license, recent activity, stars, and self-hosting in its repository. These tools are agents rather than models, so you bring your own models and keys, and we flag source-available and cloud-tied projects. See our methodology for the full criteria.
None of these includes a model. You connect your own API keys or local models. Because these agents can read email, use browsers, and run commands, treat them as powerful software: give them limited credentials, isolate them in containers when possible, and review their actions.
OpenClaw is the closest to an always-on assistant reached through WhatsApp, Telegram, Slack, and other chat apps, handling email and calendar tasks. Hermes Agent adds persistent memory, scheduling, and sandboxed execution, and ZeroClaw packs 70+ model providers and 30+ messaging channels into a single Rust binary.
Kortix uses the Elastic License 2.0, which is source available and restricts offering it as a managed service, and it targets company-wide agents with agents, skills, and memory stored as versioned files in a git repository you own. IronClaw runs inside Trusted Execution Environments on NEAR AI Cloud, so deployment is tied to that cloud.
OpenClaw, Hermes Agent, and nanobot are MIT. ZeroClaw is dual-licensed MIT or Apache-2.0, IronClaw is Apache-2.0, and Kortix is the Elastic License 2.0.
All six projects had commits within days of this update, and most are young and fast-moving, so expect frequent changes.
A closed personal assistant app keeps your agent and data under a vendor's control and often needs a subscription for models or sync. Open-source alternatives let you run the agent on your own machine or servers, choose any model including local ones, keep credentials under your control, and review what the agent does, at the cost of setup, model costs, and responsibility for security.
OpenClaw is an MIT personal AI agent that connects to messaging apps such as WhatsApp, Telegram, Discord, Slack, Signal, and iMessage while interacting with email, calendars, browsers, GitHub, and productivity tools.
Pricing: Free and self-hostable under MIT; model and infrastructure costs may apply.
Hermes Agent is an MIT persistent AI agent with long-term memory, skills, scheduling, browser automation, web search, tools, subagents, sandboxed execution, and messaging integrations.
Pricing: Free and self-hostable under MIT; model-provider costs may apply.
nanobot is an MIT-licensed, ultra-lightweight self-hosted personal AI agent framework in Python with a web UI, tools, memory, MCP support, multi-agent workflows, automation, and chat app integrations, plus token budgets for long tasks. It is deliberately minimal, so it is not a full orchestration platform.
Pricing: Free and open source; model costs apply.
ZeroClaw is a fast, small, and fully autonomous AI personal assistant runtime written in Rust as a single binary that runs on your own hardware on any OS, with support for 70+ LLM providers and 30+ messaging channels, plus hardware integrations such as GPIO. It is dual-licensed MIT or Apache-2.0. A YOLO mode is available but opt-in.
Pricing: Free and open source; model costs apply.
Kortix is a platform for running AI agents across a company, with every agent, skill, memory, and connector stored as versioned files in a git repository you own and self-host. It offers a model-agnostic runtime, isolated sandboxes, permission controls, thousands of integrations, and access through Slack, Teams, a CLI, an API, and mobile. The code is source available under the Elastic License 2.0, and a managed cloud is offered.
Pricing: Free to self-host; managed cloud plans are paid; model costs apply.
IronClaw is an Apache-2.0 Agent OS focused on privacy, security, and extensibility, running agents inside Trusted Execution Environments on NEAR AI Cloud so credentials stay encrypted and hidden from the model. Deployment is tied to NEAR AI Cloud, which has a free starter tier and paid plans that scale up to several concurrent agent instances.
Pricing: Free starter tier on NEAR AI Cloud; paid plans scale with concurrent agents.
| Alternative | Type | License | Self-hosted | Best for |
|---|---|---|---|---|
| OpenClaw | Personal agent | MIT | Yes | Chat-app assistant |
| Hermes Agent | Persistent agent | MIT | Yes | Long-term memory |
| nanobot | Lightweight agent | MIT | Yes | Minimal setups |
| ZeroClaw | Rust agent runtime | MIT or Apache-2.0 | Yes | Many models and channels |
| Kortix | Company agent platform | Elastic License 2.0 | Yes | Auditable agents |
| IronClaw | Secure agent runtime | Apache-2.0 | NEAR AI Cloud | Confidential agents |
Want an assistant inside your messaging apps
OpenClaw connects to chat apps and handles email, calendar, browsers, and productivity tools, under MIT.
Want an agent with persistent memory
Hermes Agent has long-term memory, skills, scheduling, and sandboxed execution under MIT.
Want one binary with many models and channels
ZeroClaw is a Rust binary supporting 70+ model providers and 30+ messaging channels under MIT or Apache-2.0.
Want a minimal agent with token budgets
nanobot is a lightweight MIT agent for a web UI, terminal, or chat app with budgets for long tasks.
Want company-wide agents you can audit
Kortix stores agents, skills, and memory as versioned files in a git repository you own, under a source-available license.