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Free AI with Plugins / Extensions

We've analyzed all major AI tools to find which ones offer plugins / extensions for free. Here are 47 top options you can start using right now without a credit card.

Miro AI

Miro

Collaborative whiteboarding with automated diagram generation

32M / mo estimated traffic
Free / $8/mo
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Notion AI

Notion

Integrated knowledge management and document synthesis

185M / mo estimated traffic
Free / $10/mo
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Cursor

Anysphere

AI first code editor for rapid engineering

42M / mo estimated traffic
Free / $20/mo
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GitHub Copilot

GitHub

AI pair programmer integrated into popular IDEs

82M / mo estimated traffic
Free / $10/mo
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Windsurf

Codeium

Agentic IDE designed for deep codebase collaboration

12.4M / mo estimated traffic
Free / $20/mo
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Poe by Quora

Quora

Platform for exploring and comparing AI models

4.2M / mo estimated traffic
Free / $20/mo
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You.com

You.com

Privacy-focused search engine with AI

8.2M / mo estimated traffic
Free / $12/mo
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Comet

Perplexity AI

AI-native browser with a sidecar assistant

8M / mo estimated traffic
Free / $20/mo
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Google Antigravity

Google

Agentic IDE, CLI, SDK, and desktop command center

4.5M / mo estimated traffic
Free / $19.99/mo
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Kiro

Amazon

Spec-driven agentic IDE, CLI, web, and mobile

3.2M / mo estimated traffic
Free / $20/mo
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FLUX

Black Forest Labs

Open-weight and API image generation from Black Forest Labs

8M / mo estimated traffic
100% Free
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Stable Diffusion

Stability AI

Open image models, API, and Brand Studio from Stability AI

15M / mo estimated traffic
Free / $19/mo
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Ideogram

Ideogram

Image generation with reliable in-image text

9M / mo estimated traffic
100% Free
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CodeRabbit

CodeRabbit

Agentic AI code review for pull requests, IDE, and CLI

2.8M / mo estimated traffic
Free / $24/mo
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Replit

Replit

Browser IDE and Agent that publishes full-stack apps

11M / mo estimated traffic
Free / $20/mo
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Warp

Warp

AI terminal, agent CLI, and cloud software factories

4.2M / mo estimated traffic
Free / $20/mo
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Tabnine

Tabnine

Private, air-gappable AI coding assistant and agents

2.1M / mo estimated traffic
Free / $39/mo
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Grammarly

Grammarly

AI writing assistant for grammar, tone, and rewrites

40M / mo estimated traffic
Free / $12/mo
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n8n

n8n

Source-available workflow automation with AI agents

5M / mo estimated traffic
Free / $22/mo
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Groq

Groq

Fast LPU inference API, playground, and Whisper STT

3.5M / mo estimated traffic
100% Free
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OpenRouter

OpenRouter

One OpenAI-compatible API for 500+ models

4.5M / mo estimated traffic
100% Free
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Hugging Face

Hugging Face

Model hub, datasets, Spaces, and inference

25M / mo estimated traffic
Free / $9/mo
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Whisper

OpenAI

Open-weight speech recognition from OpenAI

8M / mo estimated traffic
100% Free
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OpenClaw

OpenClaw

Open-source personal agent on your machine and chat apps

2.2M / mo estimated traffic
100% Free
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Otter.ai

Otter.ai

AI meeting notes, live transcription, and Otter Chat

8M / mo estimated traffic
Free / $16.99/mo
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Zapier

Zapier

No-code automation, agents, and 9,000+ app connections

18M / mo estimated traffic
Free / $19.99/mo
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Fireflies.ai

Fireflies.ai

Meeting recorder, transcripts, AskFred, and conversation intel

5.5M / mo estimated traffic
100% Free
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Fathom

Fathom

AI meeting notes, bot-free capture, and Ask Fathom

3.2M / mo estimated traffic
100% Free
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Photoroom

Photoroom

Product photo editor, background removal, and listing API

12M / mo estimated traffic
100% Free
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LangChain

LangChain

Open agent framework plus LangSmith for test, deploy, and govern

6M / mo estimated traffic
100% Free
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Replicate

Replicate

Run and fine-tune public models via API

5M / mo estimated traffic
100% Free
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Together AI

Together AI

Open-model inference, fine-tuning, and GPU cloud

2.8M / mo estimated traffic
100% Free
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Linear

Linear

Issue tracker with agents, MCP, and Linear Agent

4.5M / mo estimated traffic
Free / $10/mo
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ClickUp

ClickUp

Projects, docs, chat, and Brain agents in one workspace

20M / mo estimated traffic
100% Free
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Asana

Asana

Work graph, AI Teammates, and MCP for human-agent teams

25M / mo estimated traffic
100% Free
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Make

Make

Visual automation scenarios across thousands of apps

8M / mo estimated traffic
100% Free
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Figma

Figma

Collaborative design canvas with Figma AI, Make, and MCP

80M / mo estimated traffic
Free / $16/mo
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Amazon Bedrock

Amazon

AWS platform for foundation models, agents, and Guardrails

6M / mo estimated traffic
100% Free
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Azure OpenAI Service

Microsoft

OpenAI models on Azure with enterprise identity and networking

5M / mo estimated traffic
100% Free
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Vertex AI

Google

Google Cloud agent platform, Model Garden, and Gemini API

4M / mo estimated traffic
100% Free
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Pinecone

Pinecone

Serverless vector database, embeddings, and Assistant

2M / mo estimated traffic
100% Free
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D-ID

D-ID

Talking avatars, agentic video, and a streaming API

3.5M / mo estimated traffic
100% Free
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Deepgram

Deepgram

Speech-to-text, Flux TTS, and a Voice Agent API

1.5M / mo estimated traffic
100% Free
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AssemblyAI

AssemblyAI

Speech-to-text, Voice Agent API, and speech understanding

1.8M / mo estimated traffic
100% Free
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Stable Audio

Stability AI

Generate music and sound effects in the browser, DAW, or API

2.5M / mo estimated traffic
100% Free
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InVideo

InVideo

Agent Two: AI video agents, storyboard, and a timeline editor

15M / mo estimated traffic
100% Free
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Raycast AI

Raycast

OS launcher chat with 32+ models, extensions, and Ollama

3M / mo estimated traffic
100% Free
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