Search for a tool or task, check its pricing, and open its official website. Freemium means a free plan with paid upgrades.

Free Sandbox · paid cloud plans
Build AI chatbots and automated workflows.
Cloud Sandbox is free with limited credits and storage. The provider lists Professional at USD 590/workspace/year and Team at USD 1,590/workspace/year on annual billing, before applicable taxes. Community self-hosting uses your infrastructure; model API keys and paid features can add costs.

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Define clear behavioral guidelines for conversational agents and keep customer interactions consistent.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

Free agent software · provider costs
Use a desktop AI agent with persistent context and integrations across communication platforms.
The MIT-licensed agent can run locally without a software license fee. Model APIs, optional Nous Portal subscriptions, search or other services, and cloud machines may charge separately. A free agent is not free access to every model.

Free self-hosted option · paid managed service
Build and run AI agents that handle recurring work for you.
Self-hosting has no license fee; you pay for infrastructure and model providers. The hosted Platform is paid with usage-based runs. Platform code uses Polyform Shield for personal/internal business use; classic components are MIT, so the whole platform should not be described as MIT open source.

Free self-hosted builder
Prototype AI workflows visually and connect components into runnable applications.
The published Langflow builder has a free self-hosted option. Your server, database, external model APIs and integrations may cost money. Any managed cloud allowance is a separate provider plan, not unlimited free model usage.

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General-purpose AI agent for code, workflows, and more.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Self-hosted AI agent for chat, automation, and workflows.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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One interface for all your AI models and conversations.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Model-agnostic platform for building intelligent AI agents.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Build AI copilots for your product in hours, not months.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Self-hosted AI agent with 70+ providers and 30+ channels.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Open blueprints for governed, always-on AI agents.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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AI workforce platform where agents, skills, and memory live in your repo.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Agentic AI framework that runs, learns, and self-corrects.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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AI agent runtime with encrypted enclaves for your secrets.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Build stateful backends with in-memory actors.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Self-hostable voice agent platform with full model control.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Build reliable AI agents with unified tool integration.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.