Run open-source LLMs on your computer. You can download and make custom characters for your models. Works offline. The new name is Back yard though it is the same.
Thunderbolt Alternatives
Thunderbolt is described as 'AI you control: Choose your models. Own your data. Eliminate vendor lock-in' and is a AI Chatbot in the ai tools & services category. There are more than 50 alternatives to Thunderbolt for a variety of platforms, including Mac, Linux, Windows, Web-based and iPhone apps. The best Thunderbolt alternative is OpenClaw, which is both free and Open Source. Other great apps like Thunderbolt are GPT4ALL, Jan.ai, AnythingLLM and Secret Llama.
Alternatives list
225 Backyard AI alternatives
55 Lekh AI alternativesChat with AI models, generate images, convert books into audiobooks, and run text-to-speech – all locally on your device. No cloud. No compromises.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Mac
- iPhone
- iPad
+9
Privacy-first AI runs on-device for iPhone and iPad, manages files, calendar, contacts, and health offline, analyzes PDFs, enables secure chats, custom briefings, and supports 13 languages, with optional cloud models using your OpenAI API key for flexibility.
+9
Mocolamma is an Ollama management application for macOS and iOS / iPadOS that connects to Ollama servers to manage models and perform chat tests using models stored on the Ollama server.
+2
167 Pi - Personal AI alternativesPi is a new kind of AI, one that isn’t just smart but also has good EQ. We think of Pi as a digital companion on hand whenever you want to learn something new, when you need a sounding board to talk through a tricky moment in your day, or just pass the time with a curious and...
Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- iPhone
- iPad
- WhatsApp Messenger
- Facebook Messenger
+3
59 PyGPT alternativesDesktop AI Assistant powered by GPT-5, GPT-4, o1, o3, Gemini, Claude, Ollama, DeepSeek, Perplexity, Grok, Bielik, chat, vision, voice, RAG, image and video generation, agents, tools, MCP, plugins, speech synthesis and recognition, web search, memory, presets, assistants and more.
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
- Mac
- AppImage
- Python
+1
A Gradio web UI for Large Language Models. Supports transformers, GPTQ, llama.cpp (GGUF), Llama models.
61 MLC LLM alternativesMLC LLM is a machine learning compiler and high-performance deployment engine for large language models. The mission of this project is to enable everyone to develop, optimize, and deploy AI models natively on everyone’s platforms.
Cost / License
- Free
- Open Source (Apache-2.0)
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Python
+1
A smaller, lighter-weight version of OpenClaw—natively multi-agent, compiles to Rust, and built on the Swarms framework and Swarms ecosystem. One API, unified messaging across Telegram, Discord, and WhatsApp with optional Claude-powered reasoning.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Python
- Mac
- Linux
- Windows
- BSD
52 Kai AI alternativesOpen-source AI assistant builds interactive chat interfaces with elements like buttons, forms, and tables, delivers over 40 tools, supports 24 AI services, local models for offline use, encrypted chat history, no ads, free usage, and privacy by design.
Cost / License
- Free
- Open Source (Apache-2.0)
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- F-Droid
- iPhone
- iPad
- Android Tablet
- Chrome OS
+7
OfflineLLM is unlimited, private, offline, 24/7, free access to AI. Augment your day-to-day life by using this Ai chatbot for a multiplicity of applications.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- visionOS
Canada
United States
Japan
Poland
EU
Germany
