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
18,284Last commit
2 months 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
245,129Last commit
10 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:
Org chart, budgets, and governance for AI agent teams
Stars
80,593Last commit
10 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
82,445Last commit
11 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
49,710Last commit
18 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:
Build AI copilots for your product in hours, not months
Stars
37,335Last commit
11 hours agoLicense
MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.
Open Source Alternative to:
Build powerful AI agents with cutting-edge LLM technology
Stars
14,908Last commit
3 days 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
11,904Last commit
2 days 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
5,640Last commit
10 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
6,124Last commit
10 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
4,889Last commit
4 months 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:
Build AI agents and automate complex workflows seamlessly
Stars
1,001Last commit
20 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
623Last commit
2 days 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
555Last commit
13 days 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.
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
c15t
CodeRabbit