Find the Right AI Agent Tools

Graph-based stateful orchestration runtime for agent loops.

Open-source + Cloud

Framework for RAG, pipelines, and agentic search applications.

Open-source + Cloud

Declarative programming framework for optimizing LM pipelines.

Open-source

Tool integration platform with auth and action execution for AI agents.

Free + Paid

Framework for building agentic apps with memory, tools, and vector DBs.

Open-source + Cloud

Structured output library for reliable LLM schema extraction.

Open-source

Grammar-constrained generation for deterministic model outputs.

Open-source

Control framework for interleaving generation, logic, and tool calls.

Open-source

Research-driven multi-agent framework for role-play and collaboration.

Open-source

Agent operations platform for autonomous workflows and chat-driven automation.

Self-hosted + Managed

Browser-based autonomous agent builder for goal-driven tasks.

Free + Pro

Open-source platform for building and running production AI agents.

Open-source + Cloud

Multi-agent software company simulation platform.

Open-source

LLM-powered virtual software company with specialized agent roles.

Open-source

Task-driven autonomous agent experimentation framework.

Open-source

No-code AI workflow and agent platform with enterprise connectors.

Paid + Free

Business AI assistants and agent workflows with app integrations.

Paid

Collaborative prompt IDE for building AI agents and workflows.

Free + Paid

Visual drag-and-drop builder for LLM chains and agent flows.

Open-source + Cloud

Node-based UI for building LangChain and LLM workflows.

Open-source

LLMOps platform for prompt apps, workflows, and agents.

Open-source + Cloud

Visual integration platform for automating agent-driven business processes.

Paid

Automation platform connecting agent outputs to SaaS actions.

Paid + Free

Vector database with hybrid search and modular inference.

Open-source + Cloud

Developer-first embedding database for local and cloud use.

Open-source + Cloud

High-performance vector DB with payload filtering and HNSW.

Open-source + Cloud

Scalable vector database for billion-scale similarity search.

Open-source + Managed

Postgres platform with pgvector and full backend stack.

Free + Paid

PostgreSQL extension for vector similarity search.

Open-source

Serverless vector database with REST APIs.

Usage-based

Google SERP API optimized for AI retrieval pipelines.

Paid + Free trial

Search API designed specifically for LLM and agent use.

Usage-based

Independent web index API for search and summarization.

Usage-based

Neural search API for semantic discovery and content retrieval.

Usage-based

Comprehensive SERP API across Google, Bing, and more.

Paid + Free

Web scraping API with rendering, proxies, and anti-bot tools.

Usage-based

Headless browser infrastructure API for AI agents.

Usage-based

Phone calling API for scalable conversational voice agents.

Usage-based

Conversational voice infrastructure for call center automation.

Usage-based

High-fidelity text-to-speech and conversational voice stack.

Free + Paid

Speech-to-text and voice agent APIs with real-time streaming.

Usage-based

Speech AI APIs for transcription and summarization.

Usage-based

Realtime media platform with agent framework for voice/video assistants.

Open-source + Cloud

Serverless compute for model inference, jobs, and agent tools.

Usage-based

Cloud IDE and runtime suitable for agentic coding workflows.

Free + Paid

Cloud development environments and instant runtime previews.

Free + Paid

Inference platform with code model endpoints and fine-tuning.

Usage-based

Ephemeral dev environments for secure automated code tasks.

Open-source + Cloud

API gateway and observability layer for LLM usage analytics.

Free + Paid

LLM observability and evaluation platform for production systems.

Open-source + Cloud

Experiment tracking and model evaluation used in agent development.

Free + Paid

LLM evaluation and regression testing platform.

Usage-based

OpenTelemetry-first observability for LLM applications.

Free + Paid

Temporal knowledge graph and memory store for assistants.

Open-source + Cloud

Memory and context server for LLM chat applications.

Open-source

LangChain memory primitives for long-horizon agent workflows.

Open-source

Stateful agent platform inspired by persistent memory architectures.

Open-source + Cloud

Memory and knowledge graph layer for agent context persistence.

Open-source + Cloud

Document ETL platform for parsing and chunking enterprise content.

Open-source + API

Advanced parsing service for PDFs and complex documents.

Usage-based

Document conversion and extraction toolkit from IBM Research.

Open-source

Mature content detection and text extraction framework.

Open-source

High-quality PDF to markdown conversion for LLM pipelines.

Open-source

Enterprise OCR and form extraction service in Azure.

Usage-based

Managed OCR service for forms, tables, and handwriting.

Usage-based

Cloud document processing for classification and entity extraction.

Usage-based

Programmable SMS, voice, and video communication APIs for agent integration.

Pay-per-use

Email delivery platform with marketing automation for agent-driven communications.

Free + Paid tiers

Reliable transactional email service optimized for application-triggered messages.

Pay-per-email

Modern email API for developers with focus on deliverability and developer experience.

Generous free tier + usage-based

Platform API for building apps and automating workflows in Slack workspaces.

Free for most features

Bot and application platform for Discord communities with real-time messaging.

Free

Bot platform for Telegram messaging with rich media and automation features.

Free

Enterprise messaging API for customer communication on WhatsApp platform.

Pay-per-message

Sales intelligence platform with lead generation, email automation, and CRM integration.

Free + Paid tiers

Data enrichment and automated prospecting platform for personalized outreach at scale.

Usage-based + seats

Email outreach platform with unlimited accounts and advanced deliverability features.

Usage-based

Personalized cold outreach platform with video, images, and multi-channel sequences.

Subscription tiers

Enterprise CRM platform with comprehensive sales, marketing, and service automation.

Subscription tiers

All-in-one CRM platform with marketing, sales, and service tools for inbound growth.

Freemium + paid tiers

Sales-focused CRM with visual pipeline management and activity-based selling methodology.

Subscription tiers

Real-time data enrichment API for customer intelligence and lead qualification.

Usage-based

Email finder and verification tool for outreach and lead generation.

Freemium + paid

Enterprise B2B database with contact information and company intelligence.

Subscription-based

Complete payment infrastructure for online businesses with powerful APIs and tools.

Transaction-based

All-in-one platform for selling digital products with built-in tax compliance and global payments.

Transaction-based + platform fee

Open-source Firebase alternative with PostgreSQL database and real-time features.

Freemium + usage-based

Serverless PostgreSQL with instant branching and autoscaling capabilities.

Freemium + compute-based

Serverless MySQL platform with branching workflows and horizontal scaling.

Freemium + usage-based

Cross-browser automation library for reliable web scraping and testing.

Open source

Node.js library for controlling headless Chrome with high-level API for automation.

Open source

GraphQL API for Linear project management with comprehensive issue and project tracking.

Based on Linear subscription

REST API for Notion workspace with database queries and page management capabilities.

Based on Notion subscription

Frontend cloud platform for static sites and serverless functions with global edge network.

Freemium + usage-based

Modern deployment platform for full-stack applications with databases and infrastructure.

Usage-based

Identity platform with authentication, authorization, and user management for applications.

Freemium + per user

Complete authentication and user management platform designed for modern web applications.

Freemium + per user

All-in-one product analytics platform with event tracking, feature flags, and user insights.

Freemium + usage-based

Web scraping API that handles JavaScript rendering and anti-bot detection automatically.

Usage-based

Advanced product analytics platform with event tracking and user behavior analysis.

Freemium + event-based