Open Source AI Agent Platforms using Vitest
A curated collection of the best open source platforms for creating and managing autonomous AI agents. using Vitest.
Structured control layer for customer-facing AI agents
Stars
18,308Last commit
1 day agoLicense
Apache-2.0
A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale.
Open Source Alternative to:
Desktop AI agent with persistent memory across platforms
Stars
Stars growing over the last 30 days256,759Last commit
3 hours agoLicense
MIT
Cross-platform desktop agent from Nous Research that connects to Telegram, Discord, Slack, WhatsApp, and more, with persistent memory, scheduling, and isolated sandboxing.
Open Source Alternative to:
Build and run AI agents that handle recurring work for you
Stars
187,725Last commit
3 hours agoLicense
Other
Platform for building, deploying, and running AI agents that automate repeatable digital work across research, outreach, content, and support without writing code.
Open Source Alternative to:
Org chart, budgets, and governance for AI agent teams
Stars
Stars growing quickly over the last 30 days106,892Last commit
3 hours agoLicense
MIT
Manages teams of AI agents across business functions with org charts, goal alignment, cost tracking, ticket tracing, and board-level governance controls.
Open Source Alternative to:
Manage, build, and run AI agent teams around the clock
Stars
83,468Last commit
3 hours agoLicense
Unknown
A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight.
Open Source Alternative to:
Project management for teams mixing humans and AI agents
Stars
Stars growing over the last 30 days53,714Last commit
19 hours agoLicense
Unknown
Open-source platform that manages coding agents as team members, with task queues, skill libraries, runtime monitoring, and a unified activity feed.
Open Source Alternative to:
Self-hosted AI agent for chat, automation, and workflows
Stars
49,329Last commit
3 hours agoLicense
MIT
Lightweight, self-hosted AI agent that runs in a web UI, terminal, or chat app, handling long-running workflows with controlled token budgets.
Open Source Alternative to:
General-purpose AI agent for code, workflows, and more
Stars
55,640Last commit
4 hours agoLicense
Apache-2.0
Local AI agent with a desktop app, CLI, and API that connects to 15+ LLM providers and 70+ extensions for code, research, automation, and data tasks.
Open Source Alternative to:
Build AI copilots for your product in hours, not months
Stars
38,213Last commit
4 hours agoLicense
MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.
Open Source Alternative to:
Open blueprints for governed, always-on AI agents
Stars
22,834Last commit
3 hours agoLicense
Apache-2.0
Collection of open blueprints combining models, agent harnesses, and runtime controls to deploy specialized autonomous AI agents with policy-based guardrails.
Open Source Alternative to:
AI agent runtime with encrypted enclaves for your secrets
Stars
12,675Last commit
2 days agoLicense
Apache-2.0
Runs AI agents inside Trusted Execution Environments on NEAR AI Cloud, keeping credentials encrypted and invisible to the model at all times.
Open Source Alternative to:
Build powerful AI agents with cutting-edge LLM technology
Stars
14,965Last commit
23 hours agoLicense
MIT
A comprehensive platform for creating AI agents with intuitive tools, extensive integrations, and enterprise-grade features powered by the latest language models.
Open Source Alternative to:
Build product integrations with 500+ APIs in hours
Stars
Stars growing over the last 30 days12,971Last commit
7 hours agoLicense
Elastic-2.0
Complete integrations platform with 500+ pre-built APIs, code-first approach, unified data models, and enterprise-grade security. Free tier available.
Open Source Alternative to:
Self-hostable voice agent platform with full model control
Stars
Stars growing over the last 30 days5,947Last commit
21 hours agoLicense
BSD-2-Clause
Open-source voice agent platform that lets you plug in your own STT, LLM, and TTS models, deploy on-prem or in your VPC, and build agents via MCP or a visual workflow builder.
Open Source Alternative to:
Build stateful backends with in-memory actors
Stars
6,327Last commit
20 hours agoLicense
Apache-2.0
Open-source infrastructure for long-lived, in-memory processes called Actors. Combines state and compute with sub-millisecond latency, realtime capabilities, and horizontal scaling.
Open Source Alternative to:
Build reliable AI agents with unified tool integration
Stars
4,921Last commit
1 day agoLicense
Apache-2.0
Platform for connecting AI agents to 500+ tools with built-in multi-tenant auth management and granular permissions using either function calling or a unified MCP server
Open Source Alternative to:
One API to deploy and run agents on any model or machine
Stars
Stars growing quickly over the last 30 days3,230Last commit
5 hours agoLicense
Apache-2.0
Production-ready agent infrastructure that handles state, machines, permissions, and history so you don't have to build the platform yourself.
Open Source Alternative to:
Build AI agents and automate complex workflows seamlessly
Stars
Stars growing over the last 30 days1,047Last commit
3 hours agoLicense
Apache-2.0
Create intelligent automation workflows combining AI agents with your favorite apps and services. Connect, automate, and scale your operations without complex coding.
Open Source Alternative to:
TypeScript framework for building autonomous AI agents
Stars
681Last commit
6 hours agoLicense
Apache-2.0
Open-source TypeScript runtime for autonomous AI agents with cognitive memory, multi-agent orchestration, runtime tool generation, and support for 21 LLM providers.
Build and deploy AI agents through visual workflows
Stars
558Last commit
1 day agoLicense
Apache-2.0
Create powerful AI agents using an intuitive node-based interface that connects multiple LLMs and data sources for automated documentation and development workflows.
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