AstrBot alternatives
6 agents tools in the same lane as AstrBot, ranked by editorial score.
CA
Caspian AI
Agents
One integration to give any AI agent a phone number, inbox, and presence across every major messaging channel.
Freemium· Pricing tiers referenced on the site but specific dollar amounts are not published; contact sales for production usage.Cross-channel customer support agentOutbound sales SDR across email and WhatsApp
HA
Hermes Agent
Agents · Multi-model (300+ via Nous Portal)
8.2
Open-source multi-channel AI agent with persistent memory, scheduling, and subagent delegation from Nous Research.
Freemium· MIT-licensed self-host free; managed Portal tiers Free/Plus/Super/Ultra with creditspersonal-assistanttask-automation
ZE
ZeroClaw
Agents · Bring-your-own: Claude, OpenAI, or local models via Ollama / llama.cpp
Private, local-first AI assistant that connects to Telegram, Discord and WhatsApp
Free· Free and open source. You supply your own hardware and (optionally) your own LLM API keys.Personal Telegram AI assistantDiscord community bot
EL
ElizaOS
Agents · Multi-model (BYO via plugins)
7.1
Open-source agentic OS for building and orchestrating multi-agent swarms across Discord, Telegram, X, and onchain.
Free· Free, open-source (self-hosted); bring your own model API keysmulti-agent-swarmssocial-bots
GB
GPT Builder
Agents · OpenAI GPT-4o / GPT-5 (plan-dependent)
6.9
OpenAI's no-code editor for spinning up custom ChatGPT agents with instructions, knowledge files, and tool calls.
Paid· Basic: $10 · Standard: $20 · Premium: $30custom-chatbotsinternal-assistants
HO
Hermes One
Agents · Multi-model (BYO via OpenRouter/OpenAI/Anthropic/Gemini/xAI/Ollama)
7.2
Open-source desktop AI agent with a self-improving learning loop and multi-platform messaging connectors.
Free· Free, MIT-licensed; you pay your own model inference costsautonomous-agentschat-ops