Alternatives to CowAgent

Token-efficient microkernel AI agent with ML-based smart routing, persistent memory, a layered sandbox, built-in search, and local embeddings. Apache 2.0.

Pizza Bot is a local-first Apache-2.0 inbox for long-running AI agents, with Unread and Action queues on DeepAgents and LangGraph.

Buzz is Block's open-source Nostr workspace where humans and AI agents share the same channel, with every message signed and every agent scoped by its own key.

Ultra-lightweight, self-hosted personal AI agent framework in Python with WebUI, tools, long-term memory, MCP integrations, multi-agent workflows, and scheduled automation.

SoL-Pi is NVIDIA's MIT Pi extension that cuts agent tokens with four opt-in mechanisms and no patch to Pi itself.

Open-source durable execution platform for AI agents in TypeScript. Build long-running tasks and chat agents with no timeouts, checkpoint-based resume, retries, queues, and idempotency.

Vectorize's open-source agent memory system. Retain, recall, and reflect over structured facts and mental models in PostgreSQL, ranked first on LongMemEval.

An open-source CLI and optional MCP server that gives AI agents cited, ranked answers from large local record sets.

MiroFish is an open-source swarm intelligence engine that spins up agent personas around a news event to surface second-order effects, not a single forecast.

Open-source browser API for agents. Cloud Launch is $0 plus usage with a one-time $30 credit. Scale is $250/month plus usage.

Persistent, searchable memory for AI coding agents with 95.2% recall on LongMemEval, running locally on SQLite with MCP, hooks, and 54 tools for Claude Code,.

ByteDance's open-source SuperAgent harness for long-horizon tasks. Orchestrates sub-agents, memory, sandboxes, and skills on LangGraph, with a browser-equipp.

Open-source TypeScript agent framework: agents, workflows, RAG, memory, MCP, and eval with a hosted platform. About 27,437 GitHub stars (2026-08-25).

ByteDance's open-source multimodal AI agent stack for controlling computers and browsers, with Agent TARS CLI, remote operators, and the UI-TARS-1.5 model.