Categories LLM App Frameworks & SDKs 📦 LLM App Frameworks & SDKs AI Tools, Compared Ranked by community
Libraries and SDKs for building applications on top of language models.
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134 tools found
Trending Newest Most Reviewed A–Z Pricing Free Freemium Paid Contact Sales Skill Level Beginner Intermediate Advanced Platform Web Mobile Desktop API Plugin CLI Has API
Unified .NET API for 30+ LLMs with tool calling and streaming
Best for: .NET developers building AI chatbots, Teams needing multi-provider LLM orchestration
Freemium Monitor Run local LLMs in browser with zero infrastructure.
Best for: Frontend developers wanting to add local AI to web apps, Privacy-conscious users building sensitive data tools
Contact Sales Monitor Autonomous AI agent for building and evaluating production-grade AI systems.
Best for: AI engineers building production-grade AI services, Teams needing rigorous evaluation and iteration automation
Contact Sales At Risk PyTorch toolkit for compressing NLP models via knowledge distillation.
Best for: NLP researchers exploring model compression techniques, Practitioners deploying small language models for production
Hyperparallel LLM experimentation engine for RAG, fine-tuning, and agentic workflows
Best for: ML engineers tuning RAG pipelines with multiple retrievers and rerankers, AI researchers comparing fine-tuning methods (SFT, DPO, GRPO) at scale
Headless React hooks to run LLMs in-browser with WebGPU. Just useLLM().
Best for: Privacy-conscious developers building client-side AI chat, React developers wanting to experiment with browser-based LLMs
Unified API for vector search and LLM text generation.
Best for: Developers building quick LLM prototypes, Teams needing a simple RAG pipeline
Contact Sales Monitor Pure Rust language detection library for 80+ languages.
Best for: Rust developers needing offline language detection, Builders of CLI tools for text processing
Token-efficient JSON encoding for LLM prompts with schema guardrails.
Best for: Prompt engineers optimizing LLM token usage, Developers building structured data pipelines for AI
Open-source AI-native backend with self-evolving memory
Best for: Developers building AI-native applications with custom RAG and agentic workflows, SaaS founders adding generative AI features without building in-house pipelines
Open-source Persian NLP toolkit for Python built on NLTK.
Best for: Persian language researchers and computational linguists, Developers building Persian text processing applications
Declarative logic runtime for building neuro-symbolic AI with knowledge graphs.
Best for: AI researchers building neuro-symbolic systems for reasoning and learning, Developers adding logical constraints to LLM outputs to reduce hallucinations
Open-source SDK for building custom SDLC copilots with DDD pipeline.
Best for: Developers building custom AI copilots for IDEs or DevOps tools, Teams using Domain-Driven Design wanting LLM alignment
Search engine for accuracy-critical AI applications with unified retrieval.
Best for: Developers building RAG systems requiring high-recall retrieval, Enterprise teams needing search over structured and unstructured data
