Customizable LLM agents - AI tools

Nelly is an AI agent platform allowing users to build, use, and share AI agents for tasks ranging from simple to complex workflows without coding.

• Freemium
• From 9$

Monoid is an open-source platform that transforms APIs into AI Agents, enabling LLMs to gain context and perform real-time actions through a seamless and customizable interface.

• Free Trial

Bellaire is an AI platform enabling users to create custom AI assistants trained on their data, build complex automations, and deploy AI chatbots integrated with various tools.

• Free Trial
• From 8$

SmolAgents is a minimalist AI agent framework by Hugging Face that enables developers to create and deploy robust AI agents with just a few lines of code, focusing on code-first execution and seamless integration with various LLM models.

• Freemium
• From 12$

LM-Kit provides .NET developers with tools for AI agent customization, creation, and orchestration. It enables multimodal generative AI systems integration in C# and VB.NET applications.

• Paid
• From 1000$

Cloudflare Agents provides a robust platform for developers to build agentic AI applications, utilizing Cloudflare's infrastructure for durable execution and serverless inference.

• Usage Based

Vestra AI is a platform enabling users to build, deploy, and manage custom AI agents using natural language, without coding. Explore pre-built agents or create unique ones for task automation.

• Usage Based

Rubra provides a collection of open-weight large language models (LLMs) enhanced with tool-calling capabilities, ideal for building AI agents.

• Free

SillyTavern is a user interface you can install on your computer or Android phone that allows you to interact with LLMs backends and APIs, simulating characters for various purposes.

• Free

Lemony is a secure, on-premise generative AI solution offering organization-wide trust, ownership, and transparency. It enables private, intelligent systems tailored for team collaboration and professional use.

• Paid
• From 499$

gptme is a terminal-based AI assistant that can execute code, manipulate files, browse the web, and use vision, serving as a powerful tool for developers and knowledge workers.

• Free

Axolotl AI is a free, open-source tool designed to make fine-tuning Large Language Models (LLMs) faster, more accessible, and scalable across various AI models and platforms.

• Free

Portia Labs provides an open-source SDK and cloud platform for developers to build, manage, and deploy AI agents with explicit planning, execution control, and user authentication.

• Freemium
• From 30$

Relari offers a contract-based development toolkit to define, inspect, and verify AI agent behavior using natural language, ensuring robustness and reliability.

• Freemium
• From 1000$

SwarmZero is a platform for building, deploying, and monetizing AI agents. It offers a marketplace (Agent Hub) where users can access and utilize developer-created agents.

• Paid
• From 15$

LangChain is a comprehensive framework for developing and deploying applications powered by large language models (LLMs), enabling the creation of sophisticated AI agents, chatbots, and data analysis tools. It facilitates building context-aware and reasoning applications.

• Free

Appsmith Agents enables businesses to build, deploy, and manage secure AI agents powered by company data. Scale support, sales, success, and people teams by embedding AI into existing applications and automating workflows.

• Free Trial
• From 15$

Flowise is an open-source low-code platform that enables developers to build customized LLM orchestration flows and AI agents through a drag-and-drop interface.

• Freemium
• From 35$

YourChat is a cross-platform client enabling users to chat securely with their own self-hosted Large Language Models (LLMs), offering customization and privacy.

• Contact for Pricing

TheAgentic provides a complete suite of agent infrastructure, including reasoning LLMs, a digital worker framework, and web automation, enabling startups and SaaS companies to build, deploy, and scale AI agents.

• Contact for Pricing