Best Harbor Alternatives in 2025
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LM Studio is an easy to use desktop app for experimenting with local and open-source Large Language Models (LLMs). The LM Studio cross platform desktop app allows you to download and run any ggml-compatible model from Hugging Face, and provides a simple yet powerful model configuration and inferencing UI. The app leverages your GPU when possible.
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LazyLLM: Low-code for multi-agent LLM apps. Build, iterate & deploy complex AI solutions fast, from prototype to production. Focus on algorithms, not engineering.
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ManyLLM: Unify & secure your local LLM workflows. A privacy-first workspace for developers, researchers, with OpenAI API compatibility & local RAG.
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LLxprt Code: Universal AI CLI for multi-model LLMs. Access Google, OpenAI, Anthropic & more from your terminal. Boost coding, debugging & automation.
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Haystack: The open-source Python framework to build & deploy production-ready LLM applications. Flexible, modular, and built for scale.
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Easily monitor, debug, and improve your production LLM features with Helicone's open-source observability platform purpose-built for AI apps.
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Helicone AI Gateway: Unify & optimize your LLM APIs for production. Boost performance, cut costs, ensure reliability with intelligent routing & caching.
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LlamaFarm: Build & deploy production-ready AI apps fast. Define your AI with configuration as code for full control & model portability.
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Langbase empowers any developer to build & deploy advanced serverless AI agents & apps. Access 250+ LLMs and composable AI pipes easily. Simplify AI dev.
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Call all LLM APIs using the OpenAI format. Use Bedrock, Azure, OpenAI, Cohere, Anthropic, Ollama, Sagemaker, HuggingFace, Replicate (100+ LLMs)
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LLM Gateway: Unify & optimize multi-provider LLM APIs. Route intelligently, track costs, and boost performance for OpenAI, Anthropic & more. Open-source.
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Manage your prompts, evaluate your chains, quickly build production-grade applications with Large Language Models.
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Create custom AI models with ease using Ludwig. Scale, optimize, and experiment effortlessly with declarative configuration and expert-level control.
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Transformer Lab: An open - source platform for building, tuning, and running LLMs locally without coding. Download 100s of models, finetune across hardware, chat, evaluate, and more.
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Boost Language Model performance with promptfoo. Iterate faster, measure quality improvements, detect regressions, and more. Perfect for researchers and developers.
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Lacquer: The open-source AI workflow engine for code-first engineering teams. Automate complex tasks & build GitOps-native AI internal tools.
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The LlamaEdge project makes it easy for you to run LLM inference apps and create OpenAI-compatible API services for the Llama2 series of LLMs locally.
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Unify 2200+ LLMs with backboard.io's API. Get persistent AI memory & RAG to build smarter, context-aware applications without fragmentation.
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Ruby AI simplified! RubyLLM: Single API for top AI models (OpenAI, Gemini, Anthropic, DeepSeek). Build AI apps easily with chat, images, PDFs, streaming, & more.
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TaskingAI brings Firebase's simplicity to AI-native app development. Start your project by selecting an LLM model, build a responsive assistant supported by stateful APIs, and enhance its capabilities with managed memory, tool integrations, and augmented generation system.
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Laminar is a developer platform that combines orchestration, evaluations, data, and observability to empower AI developers to ship reliable LLM applications 10x faster.
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Helix is a private GenAI stack for building AI agents with declarative pipelines, knowledge (RAG), API bindings, and first-class testing.
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Build AI apps and chatbots effortlessly with LLMStack. Integrate multiple models, customize applications, and collaborate effortlessly. Get started now!
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Revolutionize LLM development with LLM-X! Seamlessly integrate large language models into your workflow with a secure API. Boost productivity and unlock the power of language models for your projects.
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Anannas unifies 500+ LLMs via a single API. Simplify integration, optimize costs, and ensure 99.999% reliability for your enterprise AI apps.
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Test, compare & refine prompts across 50+ LLMs instantly—no API keys or sign-ups. Enforce JSON schemas, run tests, and collaborate. Build better AI faster with LangFast.
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LangDB AI Gateway is your all - in - one command center for AI workflows. It offers unified access to 150+ models, up to 70% cost savings with smart routing, and seamless integration.
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AnythingLLM is the enterprise-ready "chat with your documents" solution that is safe, secure, and your whole company can use to make everyone an expert in your business, overnight.
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Chat with o3, Claude, Gemini, DeepSeek, and others all at once. The best models, as soon as they come out, in one app.
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Build custom AI agents fast with Open Agent Kit! Open-source, flexible, & deployable anywhere. Connect LLMs & extend with plugins.