AI Tools Library.

A working catalogue of AI workflow tools. Filter by what you want to build. Purple means core to what Twegs writes about, blue means adjacent, grey means outside the focus.

Core to what Twegs coversAdjacentOutside focus

Scope
Code?
Category
Use case
105 of 105 tools
Core

n8n

Automation Platforms

Open-source workflow automation with a node-based canvas and code escape hatch (JavaScript or Python). Self-hostable, which most alternatives are not.

MixedWorkflowCode optionalCloud / self-hostFree tier
Core

Make

Automation Platforms

Visual workflow builder with branching, error handling, and parallel execution. More flexible than Zapier for complex logic, easier than n8n for non-developers.

Non-devWorkflowNo codeCloudFree tier
Core

Zapier

Automation Platforms

The original no-code automation tool. Largest connector library (7,000+ apps). AI Actions add LLM steps inside Zaps. Pricing scales with task volume.

Non-devWorkflowNo codeCloudFree tier
Adjacent

Pipedream

Automation Platforms

API-first workflow platform where each step is Node.js or Python. Thin orchestration layer over real code. For developers who want serverless plumbing built in.

Dev onlyWorkflowCode requiredCloudFree tier
Outside

Workato

Automation Platforms

Enterprise iPaaS with governance, reusable recipes, and SLAs. Mid-market and up. Heavier price tag than Make or Zapier.

MixedWorkflowCode optionalCloudEnterprise
Adjacent

Power Automate

Automation Platforms

Microsoft's automation platform. Deep Microsoft 365 and Azure integration, desktop RPA, Copilot Studio for agents. Default choice in Microsoft-heavy orgs.

MixedHybridCode optionalCloudPaid only
Outside

Tray.io

Automation Platforms

Enterprise-grade low-code with a Merlin AI agent layer. Strong for embedded automation (white-labelled into SaaS products).

MixedHybridCode optionalCloudEnterprise
Adjacent

IFTTT

Automation Platforms

Lightweight consumer automations. Mostly relevant for personal and smart-home workflows now, not B2B.

Non-devWorkflowNo codeCloudFree tier
Core

Gumloop

AI-Native Builders

Visual AI workflow builder focused on web research, scraping, and data extraction. LLM steps are first-class primitives, not afterthoughts.

Non-devWorkflowNo codeCloudFree tier
Core

Relay.app

AI-Native Builders

AI workflow tool with human-in-the-loop built in. Approvals, forms, and review steps as first-class features. Differentiates from autonomous agents.

Non-devWorkflowNo codeCloudFree tier
Adjacent

Lindy

AI-Native Builders

AI employees with defined roles. Faster path to running agents than building workflows. Strong for sales and customer success use cases.

Non-devAgentNo codeCloudPaid only
Core

Bardeen

AI-Native Builders

Browser-native automation extension. Automates repetitive GTM and admin work directly in the apps you already use (LinkedIn, Gmail, CRMs, sheets).

Non-devWorkflowNo codeCloudFree tier
Adjacent

Dify

AI-Native Builders

Open-source LLM app platform with visual prompt orchestration, RAG, and an agent builder. Self-host or use cloud version.

MixedHybridCode optionalCloud / self-hostFree tier
Adjacent

Flowise

AI-Native Builders

Open-source drag-and-drop builder for LangChain flows. Visual entry point into the LangChain ecosystem without writing code directly.

MixedAgentCode optionalCloud / self-hostFree tier
Adjacent

Stack AI

AI-Native Builders

AI workflow platform aimed at enterprise teams building internal AI tools without engineering bandwidth.

Non-devWorkflowNo codeCloudPaid only
Adjacent

Vellum

AI-Native Builders

LLM development platform with workflow orchestration, evals, and prompt management. Popular with technical product teams.

Dev onlyWorkflowCode optionalCloudPaid only
Outside

Beam AI

AI-Native Builders

Agentic process automation with pre-built agents for finance, ops, and customer service.

MixedAgentNo codeCloudEnterprise
Outside

Wrk

AI-Native Builders

Fully managed AI automation. Their team builds and maintains workflows for you (2,500+ pre-built bots). Best when you have no internal engineering.

Non-devWorkflowNo codeCloudEnterprise
Core

Anthropic API

AI Model APIs

Direct API access to Claude models. Tool use, vision, long context, prompt caching. The building block for custom workflows that need an LLM step.

MixedWorkflowCode requiredCloudPaid only
Core

OpenAI API

AI Model APIs

GPT models, embeddings, image generation, voice. Broadest model coverage of any single provider.

MixedWorkflowCode requiredCloudPaid only
Core

Google Gemini API

AI Model APIs

Google's Gemini models with very long context windows and native multimodal input. Strong for video and document analysis.

MixedWorkflowCode requiredCloudFree tier
Core

OpenRouter

AI Model APIs

Single API for hundreds of models from different providers. Useful when you want to swap models without changing code, or compare outputs.

MixedWorkflowCode requiredCloudPaid only
Core

Replicate

AI Model APIs

Run open-source models via API. Strong for image, video, and audio models that aren't available through OpenAI or Anthropic.

MixedWorkflowCode requiredCloudPaid only
Adjacent

Groq

AI Model APIs

Inference platform built around custom chips. Very fast token generation for open models. Useful when latency matters.

Dev onlyWorkflowCode requiredCloudFree tier
Adjacent

Mistral AI

AI Model APIs

European AI lab with both proprietary and open-source models. Strong OCR and document understanding offerings.

MixedWorkflowCode requiredCloudPaid only
Adjacent

Together AI

AI Model APIs

Inference platform for open-source models with fine-tuning support. Lower cost than the big closed providers for many workloads.

Dev onlyWorkflowCode requiredCloudPaid only
Core

Firecrawl

Data & Web Extraction

Web scraping API that returns clean Markdown ready for LLMs. Built for AI agents and workflows. Handles JavaScript-rendered pages.

MixedWorkflowCode requiredCloudFree tier
Core

Apify

Data & Web Extraction

Web scraping platform with thousands of pre-built scrapers ("Actors") for specific sites. Useful when you need LinkedIn, Google Maps, or similar source data.

MixedWorkflowCode optionalCloudFree tier
Adjacent

Bright Data

Data & Web Extraction

Enterprise web data platform with massive proxy networks. Strongest option when sites actively block scrapers.

Dev onlyWorkflowCode requiredCloudPaid only
Adjacent

ScrapingBee

Data & Web Extraction

Simple scraping API with built-in proxy rotation and JavaScript rendering. Cheaper alternative to Bright Data for moderate volumes.

MixedWorkflowCode requiredCloudPaid only
Adjacent

LlamaParse

Data & Web Extraction

Agentic document parsing. Routes each page element (text, table, chart) to the best-fit model. Strong LLM-ready output for PDFs and complex documents.

Dev onlyWorkflowCode requiredCloudFree tier
Outside

Reducto

Data & Web Extraction

High-fidelity document extraction for visually complex PDFs. Multi-pass with layout-aware analysis. SOC 2, HIPAA, on-prem options.

Dev onlyWorkflowCode requiredCloudPaid only
Adjacent

Unstructured

Data & Web Extraction

Open-source and enterprise platform that converts PDFs, emails, HTML, and Office files into labelled elements ready for RAG.

Dev onlyWorkflowCode requiredCloud / self-hostFree tier
Adjacent

Docling

Data & Web Extraction

Open-source document parser from IBM with MCP server support. Good free option for agentic contexts.

Dev onlyWorkflowCode requiredSelf-hostFree tier
Outside

Google Document AI

Data & Web Extraction

Managed GCP service with pre-trained processors (invoices, tax forms, IDs) and custom models.

Dev onlyWorkflowCode requiredCloudPaid only
Outside

AWS Textract

Data & Web Extraction

Amazon's managed forms, tables, and document extraction service. Default choice in AWS-heavy stacks.

Dev onlyWorkflowCode requiredCloudPaid only
Outside

LangGraph

Agent Frameworks

Code-first framework for stateful agent workflows. Directed graphs with branching, retries, and human-in-the-loop checkpoints. The 2026 default for production agents.

Dev onlyAgentCode requiredCloud / self-hostFree tier
Outside

Claude Agent SDK

Agent Frameworks

Anthropic's SDK for building agents with native tool use, memory, and subagents. Powers Claude Code.

Dev onlyAgentCode requiredCloudPaid only
Outside

OpenAI Agents SDK

Agent Frameworks

OpenAI's official agent SDK. Lowest barrier to entry in the OpenAI ecosystem. Production-ready as of 2026.

Dev onlyAgentCode requiredCloudPaid only
Outside

CrewAI

Agent Frameworks

Multi-agent framework with role-based "crews". Each agent has a role, goal, and backstory. Fastest path to a multi-agent MVP.

Dev onlyAgentCode requiredCloud / self-hostFree tier
Outside

AutoGen / AG2

Agent Frameworks

Microsoft's multi-agent framework, now community-forked as AG2. Conversation-based agent orchestration.

Dev onlyAgentCode requiredCloud / self-hostFree tier
Outside

LlamaIndex

Agent Frameworks

Data-first agent framework. Best when your agent's value comes from RAG over your own documents and data.

Dev onlyAgentCode requiredCloud / self-hostFree tier
Outside

Pydantic AI

Agent Frameworks

Type-safe Python agent framework. Appeals to teams that want strong typing and validation.

Dev onlyAgentCode requiredCloud / self-hostFree tier
Outside

Google ADK

Agent Frameworks

Hierarchical agent trees (root delegates to sub-agents). Tight Vertex AI and Gemini integration.

Dev onlyAgentCode requiredCloudPaid only
Outside

Semantic Kernel

Agent Frameworks

Lightweight, .NET-friendly orchestration. Good for enterprise Microsoft stacks.

Dev onlyAgentCode requiredCloud / self-hostFree tier
Outside

UiPath

RPA & Desktop Automation

Market leader. Strong for enterprise RPA and AI workflows where Citrix, mainframes, or desktop steps still matter.

MixedHybridCode optionalCloudEnterprise
Outside

Automation Anywhere

RPA & Desktop Automation

Attended and unattended automation at scale. AI Agent Studio for agentic workflows.

MixedHybridCode optionalCloudEnterprise
Outside

Blue Prism

RPA & Desktop Automation

Enterprise RPA with strong governance, popular in financial services.

Dev onlyWorkflowCode optionalCloudEnterprise
Outside

Moveworks

Enterprise AI Platforms

Enterprise AI assistant for IT, HR, and employee support. Strong in Fortune 500.

Non-devAgentNo codeCloudEnterprise
Outside

Glean

Enterprise AI Platforms

AI-powered enterprise search and workflow agents grounded in company knowledge.

Non-devAgentNo codeCloudEnterprise
Outside

Kore.ai

Enterprise AI Platforms

Agentic platform with "AI for IT", "AI for HR", etc. Enterprise-grade with Gartner recognition.

Non-devAgentNo codeCloudEnterprise
Outside

Salesforce Agentforce

Enterprise AI Platforms

Agent layer on top of Salesforce data and Flow automation.

MixedAgentCode optionalCloudEnterprise
Outside

ServiceNow AI Agents

Enterprise AI Platforms

Agents inside the ServiceNow workflow engine for IT service management and beyond.

MixedAgentCode optionalCloudEnterprise
Adjacent

Cursor

Coding Agents

AI-first code editor (fork of VS Code) with file-aware completions, Composer multi-file edits, and an in-editor agent mode. The 2026 daily-driver IDE.

Dev onlyAgentCode requiredCloudPaid only
Core

Claude Code

Coding Agents

Anthropic's terminal-native coding agent. Strong on multi-file refactors, codebase exploration, and long-running tasks. Pairs with any editor.

Dev onlyAgentCode requiredCloudPaid only
Adjacent

GitHub Copilot

Coding Agents

The original AI coding assistant. Lowest-friction entry point for teams new to agentic coding, deeply integrated with GitHub and VS Code.

Dev onlyWorkflowCode requiredCloudPaid only
Adjacent

Windsurf

Coding Agents

IDE with Cascade agent and codebase indexing. Acquired by Cognition. Value alternative to Cursor at $15/month.

Dev onlyAgentCode requiredCloudPaid only
Adjacent

Cline

Coding Agents

Open-source VS Code extension for agentic coding. Bring-your-own-key flexibility. Best for cost transparency and model independence.

Dev onlyAgentCode requiredCloudFree tier
Adjacent

Aider

Coding Agents

Terminal-only minimalist AI pair programmer. Open-source, BYOK, integrates directly with git. Strong for command-line-first developers.

Dev onlyAgentCode requiredSelf-hostFree tier
Adjacent

Codex CLI

Coding Agents

OpenAI's open-source terminal coding agent. Standalone cloud agent option with desktop apps for macOS and Windows.

Dev onlyAgentCode requiredCloudPaid only
Outside

Devin

Coding Agents

Cognition's autonomous software engineer agent. Designed for delegating multi-step tasks rather than pair programming.

Dev onlyAgentCode requiredCloudPaid only
Core

Claude in Chrome

Browser & Computer Use

Claude operating a real Chrome browser, with the safety guardrails built in. Useful when an action needs a UI rather than an API.

Non-devAgentNo codeCloudPaid only
Adjacent

Browser Use

Browser & Computer Use

Open-source browser automation framework for building custom web agents. Python-first.

Dev onlyAgentCode requiredSelf-hostFree tier
Adjacent

OpenAI Operator

Browser & Computer Use

ChatGPT-based agent that browses and acts on the web on your behalf.

Non-devAgentNo codeCloudPaid only
Adjacent

Anthropic Computer Use

Browser & Computer Use

Anthropic's API for letting Claude control a virtual desktop. Powerful but currently developer-only.

Dev onlyAgentCode requiredCloudPaid only
Adjacent

Vapi

Voice & Conversational

Voice agent infrastructure (TTS, STT, LLM orchestration) for developers. Build phone-call agents via API.

Dev onlyAgentCode requiredCloudPaid only
Adjacent

Bland.ai

Voice & Conversational

Phone-call agents for sales, support, and operations. Lower-code than Vapi for non-developers.

MixedAgentCode optionalCloudPaid only
Adjacent

Retell AI

Voice & Conversational

Real-time voice agent platform with a focus on natural conversation quality.

MixedAgentCode optionalCloudPaid only
Adjacent

Synthflow

Voice & Conversational

No-code voice agents. Build phone bots without writing any code.

Non-devAgentNo codeCloudPaid only
Adjacent

ElevenLabs Conversational AI

Voice & Conversational

ElevenLabs' conversational agent platform on top of their voice models. Strongest on voice quality.

MixedAgentCode optionalCloudPaid only
Core

Clay

GTM & Marketing

Spreadsheet-shaped workflow tool for sales and marketing. AI columns enrich and research prospect data at scale. The reference tool for modern outbound.

Non-devWorkflowNo codeCloudPaid only
Adjacent

Apollo.io

GTM & Marketing

Sales engagement platform with AI-assisted prospecting, sequencing, and dialer. Both a data source and an automation surface.

Non-devWorkflowNo codeCloudFree tier
Outside

Outreach

GTM & Marketing

Sales engagement platform with embedded AI for messaging and forecasting.

Non-devWorkflowNo codeCloudPaid only
Outside

Regie.ai

GTM & Marketing

AI sales agents for outbound and follow-up.

Non-devAgentNo codeCloudPaid only
Outside

11x

GTM & Marketing

AI SDR ("Alice") and other digital workers for GTM teams.

Non-devAgentNo codeCloudPaid only
Outside

Artisan

GTM & Marketing

AI BDR product ("Ava") that runs outbound campaigns autonomously.

Non-devAgentNo codeCloudPaid only
Adjacent

Jasper

GTM & Marketing

Marketing copy and workflow platform with brand voice controls.

Non-devWorkflowNo codeCloudPaid only
Adjacent

Copy.ai

GTM & Marketing

AI marketing platform with GTM workflows and content generation.

Non-devWorkflowNo codeCloudFree tier
Adjacent

HubSpot Breeze

GTM & Marketing

HubSpot's agent and AI layer across CRM, marketing, and service.

Non-devAgentNo codeCloudPaid only
Outside

Decagon

Customer Support

AI customer support agents for mid-market and enterprise SaaS. Strong on regulated industries.

Non-devAgentNo codeCloudEnterprise
Outside

Sierra

Customer Support

Conversational AI for customer experience. Founded by ex-Salesforce CEO Bret Taylor.

Non-devAgentNo codeCloudEnterprise
Outside

Maven AGI

Customer Support

Enterprise customer support automation platform.

Non-devAgentNo codeCloudEnterprise
Adjacent

Zendesk AI Agents

Customer Support

Customer support agents native to the Zendesk ticket flow.

Non-devAgentNo codeCloudPaid only
Adjacent

Intercom Fin

Customer Support

Intercom's AI agent for customer support, built into their existing platform.

Non-devAgentNo codeCloudPaid only
Core

Airtable

Internal Tools

Database-as-app with native AI fields and automations. Useful when a workflow needs a backing store and a UI for non-technical teammates.

Non-devWorkflowNo codeCloudFree tier
Core

Notion

Internal Tools

Workspace with AI agents inside databases and pages. Workflows can read from and write to Notion via API.

Non-devWorkflowNo codeCloudFree tier
Adjacent

Coda

Internal Tools

Document-database hybrid with AI building blocks inside Coda docs.

Non-devWorkflowNo codeCloudFree tier
Adjacent

Retool

Internal Tools

Internal tool builder with a workflow engine. Best when you need both automation and a custom UI for employees to trigger it.

MixedWorkflowCode optionalCloudFree tier
Adjacent

Glide

Internal Tools

No-code apps with AI features layered on top. Build mobile-friendly internal tools from spreadsheets.

Non-devWorkflowNo codeCloudFree tier
Adjacent

Pinecone

Vector Databases

Managed vector database for embeddings. Default choice for RAG workflows that need fast similarity search at scale.

Dev onlyWorkflowCode requiredCloudFree tier
Core

Supabase

Vector Databases

Postgres with pgvector extension built in. Combines a regular database, auth, and vector search in one platform. Good for workflow backends.

MixedWorkflowCode requiredCloud / self-hostFree tier
Adjacent

Weaviate

Vector Databases

Open-source vector database with hybrid search (keyword + vector). Self-hostable.

Dev onlyWorkflowCode requiredCloud / self-hostFree tier
Adjacent

Qdrant

Vector Databases

Open-source vector database written in Rust. Strong performance and a generous free cloud tier.

Dev onlyWorkflowCode requiredCloud / self-hostFree tier
Adjacent

Chroma

Vector Databases

Lightweight embedded vector database. Easiest option for local development and small projects.

Dev onlyWorkflowCode requiredSelf-hostFree tier
Adjacent

Langfuse

Observability & Evals

Open-source LLM observability and prompt management. Tracing, evals, and cost tracking for AI workflows.

Dev onlyWorkflowCode requiredCloud / self-hostFree tier
Adjacent

LangSmith

Observability & Evals

LangChain's hosted tracing, evals, and monitoring product. Strongest fit when already using LangChain or LangGraph.

Dev onlyWorkflowCode requiredCloudFree tier
Adjacent

Helicone

Observability & Evals

Open-source LLM observability with caching and rate limiting.

Dev onlyWorkflowCode requiredCloud / self-hostFree tier
Adjacent

Braintrust

Observability & Evals

Eval and observability platform for LLM products. Strong on evals as a first-class workflow.

Dev onlyWorkflowCode requiredCloudFree tier
Adjacent

Humanloop

Observability & Evals

Prompt management, evals, and collaboration for product teams.

MixedWorkflowCode optionalCloudPaid only
Outside

Temporal

Orchestration

Durable execution engine for long-running, fault-tolerant agent workflows. Increasingly used as the layer underneath production agents.

Dev onlyWorkflowCode requiredCloud / self-hostFree tier
Adjacent

Inngest

Orchestration

Event-driven durable workflow engine, AI-friendly. Lighter weight than Temporal for many use cases.

Dev onlyWorkflowCode requiredCloudFree tier
Outside

Harvey

Vertical AI

Legal AI workflow platform for law firms. Trained on legal corpora and contracts.

Non-devWorkflowNo codeCloudEnterprise
Outside

Hebbia

Vertical AI

AI workflow tool for finance and consulting. Document-heavy research and analysis.

Non-devWorkflowNo codeCloudEnterprise
Adjacent

Mendable

Vertical AI

AI search and assistants for product documentation. Built by the Firecrawl team.

Dev onlyWorkflowCode optionalCloudPaid only
Adjacent

Inkeep

Vertical AI

AI-powered search and chat for technical documentation.

Dev onlyWorkflowCode optionalCloudPaid only