Best AI Tools to Build Agents

20 AI tools ranked

1

Botsify is a white-label AI agent builder that transforms plain-language prompts into fully managed, intelligent text and voice agents. Users can brand these agents completely and deploy them across multiple channels including websites, WhatsApp, Instagram, Messenger, Slack, Telegram, SMS, and ...

2

LobeHub is an open-source universal LLM web UI and platform that transforms how users interact with AI by treating customizable AI agents as collaborative "teammates" that grow and adapt alongside you. It serves as a complete workspace for building, deploying, ...

3

AffinityBots is a no-code platform designed for building, deploying, and orchestrating custom AI agents and multi-agent workflows through a visual drag-and-drop interface. It enables users to create personality-driven, collaborative AI assistants that handle complex business processes autonomously, connecting to knowledge ...

4

AgentKit is OpenAI’s modular toolkit, launched on October 6, 2025, at DevDay, for building, deploying, and optimizing production-grade AI agents. At its core is Agent Builder, a visual drag-and-drop canvas that lets users design complex multi-step agent workflows by connecting ...

5

AirOps is a content engineering platform that unifies SEO, AI search visibility, and analytics data to help brands create, optimize, and scale content that performs across traditional search and AI engines such as ChatGPT, Perplexity, and Google AI Overviews. It ...

6

Astron Agent is an open-source, enterprise-grade agentic workflow platform designed for building production-ready “SuperAgents.” It orchestrates multi-step AI workflows, manages model lifecycles, integrates LLMs and MCP-compatible tools, connects to RPA systems for real-world actions, and supports team collaboration in a ...

7

Autohive is a no-code platform designed for everyday teams to visually build, deploy, run, and schedule LLM-powered AI agents and multi-agent workflows. It connects directly to business tools such as HubSpot, Slack, Gmail, Google BigQuery, Looker, GitHub, and others (with ...

8

Auzora is an enterprise-grade AI agent platform that automates repetitive manual workflows in sales, support, and operations by letting users deploy autonomous AI agents configured entirely in plain English. Agents handle tasks such as enriching CRM leads from multiple external ...

9

Ayudo is an AI-native customer experience platform that deploys a built-in workforce of specialized AI agents to automate support queries, resolutions, follow-ups, escalations, and insights generation. It unifies customer conversations across channels such as email, WhatsApp, Slack, Discord, and voice ...

10

byVoice is a no-code conversational AI platform that enables businesses to build, customize, and deploy voicebots, chatbots, and AI-powered IVR systems for automating inbound and outbound calls, SMS, WhatsApp, Telegram, and other channels. It leverages large language models (LLMs), speech-to-text ...

11

CanvasGPT is an AI-powered infinite workspace that enables users to transform ideas into fully functional products within a single, persistent, and shareable canvas environment. It leverages autonomous canvas agents (such as Patch) and a suite of integrated AI models to ...

12

Cheat Layer is a no-code AI automation platform that leverages custom-trained GPT models (originally GPT-3, with GPT-4 capabilities referenced in features) to function as personal software engineers for businesses. It enables users to build and deploy swarms of autonomous agents ...

13

Cekura is an AI-powered automated quality assurance (QA) and observability platform purpose-built for conversational AI agents, with a strong emphasis on voice bots alongside chat agents. It automates the full lifecycle of testing by generating intelligent scenarios, simulating real-user interactions ...

14

Cubeo AI is a no-code platform that enables users to build, train, and deploy custom AI assistants and multi-agent teams to automate routine business tasks. It leverages users' own company data from diverse sources—including PDFs, DocX files, audio/video files, YouTube ...

15

EverMind is an open-source AI memory platform that equips large language models with near-infinite long-term memory and a persistent identity. It comprises three core components: EverMemOS (the flagship Memory Operating System for agentic AI), EverMemModel (an end-to-end trainable model capable ...

16

Fermi Dev is an AI-powered operations platform marketed as the “AI Operational Brain for Modern Enterprises.” It connects disparate systems and data sources, automatically constructs unified dynamic models of business operations (essentially operational digital twins that adapt in real time), ...

17

Flashbot is a no-code platform designed to build and deploy production-ready AI agents directly on WhatsApp Business. It enables businesses to create intelligent conversational agents that handle real-time customer interactions, going far beyond basic chatbots by understanding context, transcribing voice ...

18

Gaffa is a cloud-hosted REST API that lets developers control real browsers at scale through a single HTTP request, eliminating the need to self-manage infrastructure like Playwright, Selenium, or Puppeteer clusters, proxy rotation, headless-browser quirks, or scaling. Users send a ...

19

Google Antigravity is Google's agentic development platform that evolves the traditional IDE into an "agent-first" environment. Launched in public preview on November 18, 2025, it uses autonomous AI agents—powered primarily by Gemini 3 and 3.1 Pro models, with support for ...

20

GoRules is an open-source business rules engine (BRE) and Business Rules Management System (BRMS) that enables teams to visually build, test, and deploy complex decision logic without writing code. It automates business decisions across real-time applications, ML pipelines, and embedded ...