Sim
Website & App DevelopmentOpen-source AI workspace for building and managing agents with 1,000+ integrations
- AI Agent Builder
- Agentic Workflows
- LLM Orchestration
Freemium
From $25/month
Best AI Tools to Build AI Agents
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Smallest.ai
Audio & VoicePower enterprise voice with AI APIs for TTS, STT, and voice agents.
- Text-to-Speech
- Speech-to-Text
- Voice Agents
Pricing unknown
Whisper Internet Infra AI Context
AI InfrastructureProvides real-time internet infrastructure context via API or MCP for IP/domain analysis.
- Threat Intelligence
- Infrastructure Intelligence
- BGP Hijack Detection
Freemium
From €3,000/month
Eclatira
AI AgentsBuild conversational agents with voice, camera, and screen sharing integrated with APIs and apps.
- Conversational AI
- Real-Time Video
- API Integration
Freemium
From $270/month
Paid
Free
MiMoCode
Developer ToolsOpen-source AI coding agent with persistent memory and subagent orchestration.
- Code Agents
- Persistent Memory
- Subagent Orchestration
Free
MindPal
Website & App DevelopmentBuilds AI agents and workflows for coaches, consultants, and course creators to scale client support and content delivery.
- AI Agents
- AI Coaching
- AI Course Tools
Freemium
From $49/month
Freemium
From $40/month
OmniVibe
AI AgentsAI agent marketplace and workspace for business, research, and creative work.
- AI Agents
- AI Assistants
- Agent Marketplace
Paid
Paid
From $20/month
Spine
AI AgentsEnables cloud-based multi-agent work and local-first agent orchestration through research-backed systems.
Freemium
From $16/month
Surfn
AI AgentsBuilds conversational AI agents for engagement, leads, and sales.
- AI Agent Builder
- Lead Generation
- Marketing Tool
Freemium
From $19/month
AI Assistant for SMBs
AutomationFree playbook with 50+ AI automations for entrepreneurs to save 10-20 hours weekly.
- AI Automation
- Workflow Automation
Free
DeerFlow
Developer ToolsOpen-source long-horizon SuperAgent harness for research, coding, and creation.
- Multi-Agent Orchestration
- Workflow Automation
Free
Dograh
Audio & VoiceOpen-source voice agent platform for self-hosting and custom models.
- Voice Agent Builder
- Self-Hosted AI
- Regulated Compliance
Paid
Google Agent Development Kit (ADK)
Developer ToolsOpen-source Python toolkit for building, evaluating, and deploying AI agents with flexibility and control.
Free
Kalcend
AI AgentsBuild and deploy AI employees for support, sales, and operations on messaging platforms.
- AI Employee
- AI Workforce
- No-Code AI Agent
Paid
Tycoon AI
AI AgentsCoordinates AI agents and teams, manages tasks and outcomes.
- AI CEO
- AI Agents
- Multi-Agent Coordination
Paid
Watermelon
Customer SupportAutomates customer service by handling repetitive questions with an AI agent.
Freemium
From €84/month
Showing 21–40 of 82 tools