Best AI Tools 2026
AI Tools — best AI apps and open-source models in 2026
Looking for AI tools that actually help with writing, coding, research, or local models? This category covers chat assistants, coding agents, image generators, and high-star GitHub projects. We prioritise tools with clear pricing and real traction, not hype alone.
Subsection
GitHub most starred · AI & ML
Stable Diffusion WebUI
★ 158kThe community UI for open image models
AI ToolsHugging Face Transformers
★ 158kOur pickThe standard library for pretrained AI models
AI ToolsOpen WebUI
★ 124kOur pickSelf-hosted ChatGPT-style UI for local models
AI ToolsLangChain
★ 120kFramework for building LLM-powered applications
AI ToolsDify
★ 110kOpen-source platform for LLM apps and agents
AI ToolsComfyUI
★ 106kOur pickNode-based UI for generative image pipelines
AI ToolsPyTorch
★ 96kDeep learning framework used across research and industry
AI Toolsllama.cpp
★ 92kOur pickRun LLMs locally with pure C/C++
AI ToolsOpenAI Whisper
★ 90kOur pickRobust speech recognition you can run anywhere
AI ToolsStreamlit
★ 41kOur pickTurn a Python script into a shareable data app
AI ToolsAider
★ 38kOur pickAI pair programming in your terminal
AI ToolsListed by their makers
From makers
LLM
OpenAI
The lab behind ChatGPT, the API, and the model cards
Helicone
AI gateway and observability to route, debug, and analyze LLM apps
Anthropic
Claude models, API, and Claude.ai for writing, coding, and long-context work
Qwen
Chat, code, and generate images with Alibaba Cloud’s open Qwen models from the official studio
LiteLLM
One OpenAI-compatible gateway to 100+ LLM providers, with spend tracking you can self-host
AI21
Enterprise language models and AI systems you can build on from the official AI21 site
Agents
Braintrust
Observability and evals for shipping quality AI agents at scale
Voiceflow
Design and launch conversational AI agents without a custom stack
StackAI
A no-code desk to build, govern, and deploy enterprise AI agents
ClickHouse
A column-store SQL engine for real-time analytics and agent workloads
Snowflake
An AI data cloud for warehouses, pipelines, and agents that query governed enterprise data
Databricks
A lakehouse for data, analytics, and AI agents on governed enterprise data
DataRobot
An enterprise platform to build, govern, and run AI agents on company data
Cline
Open-source coding agent that edits files, runs commands, and uses tools in your editor
Browserbase
Give an AI agent a real cloud browser so it can click, type, and finish a web task
Flowise
Build LLM chatbots and agents on a visual canvas, then self-host or run in the cloud
Inference
Together AI
Cloud inference and fine-tuning for open models
Cerebras
Wafer-scale chips for very fast LLM inference over an OpenAI-compatible API
Baseten
Deploy and serve AI models with dedicated inference and model APIs
Video
MiniMax
Multimodal models plus Code, Design, Audio, and video tools
Murf
Turn a script into a studio-style voiceover with AI voices and a timeline editor
InVideo
Turn a script or prompt into a finished video with AI agents for edit, voice, and b-roll
Pictory
Turn a script, blog, or long video into a short captioned clip with AI edit tools
D-ID
Turn a still photo into a talking avatar video for training, support, or a brand presenter
Research
Connected Papers
Our pickA graph of papers related to one you already have
Google DeepMind
Google DeepMind’s official home for Gemini research, AlphaFold, and the lab’s public models and papers
RAG
Qdrant
Vector search engine for RAG, agents, and semantic retrieval
Weaviate
Open-source vector database for search, RAG, and agents
Voyage AI
Embedding and rerank models for retrieval, search, and RAG pipelines
Firecrawl
Turn websites into clean markdown and structured data for RAG and agents
AnythingLLM
A private desktop AI that chats with your files on-device, with no account or API key required
Unstructured
Turn PDFs and messy files into clean, chunked data ready for RAG and agents
Chroma
Open-source vector search for embeddings, with a local library and a serverless cloud
Models
Stable Diffusion WebUI
★ 158kThe community UI for open image models
Hugging Face Transformers
★ 158kOur pickThe standard library for pretrained AI models
OpenAI Whisper
★ 90kOur pickRobust speech recognition you can run anywhere
Hugging Face
Our pickThe public hub for models, datasets, and Spaces
Replicate
Our pickRun open models with a cloud API
fast.ai
Practical deep-learning courses plus a high-level PyTorch library
dbt
Transform warehouse data with SQL models, tests, and docs you version in git
Scale AI
Data labeling and evaluation for teams that train and test production AI systems
Labelbox
A data engine for labeling, evaluating, and running RL on the examples that train production models
Jina AI
Search, embeddings, and reader APIs that turn the web into tokens models can use
Tabby
A self-hosted AI coding assistant that suggests and completes code from your own models or a local box
Inflection AI
Inflection AI’s official lab site for Pi and the company’s models, research, and product pages
MLflow
An open-source platform to track experiments, package models, and ship AI agents from one project log
Chat
Venice
Private AI chat and image generation that runs without keeping a transcript on a company server
GPU
Runpod
Rent a GPU pod or a serverless endpoint, billed while it actually runs
Modal
Run GPU jobs in Python: inference, training, and sandboxes that scale to zero
Hyperbolic
On-demand H100, H200, and B200 GPUs plus an inference API
Anyscale
Production-scale AI workloads on Ray, from training to embeddings
Paperspace
Rent cloud GPUs and notebooks for training or running models, from Paperspace by DigitalOcean
Python
PyTorch
★ 96kDeep learning framework used across research and industry
Streamlit
★ 41kOur pickTurn a Python script into a shareable data app
Prefect
Python workflow orchestration for data, ML, and agent pipelines you can observe and retry
Gradio
Build a web UI for a machine-learning model with Python components, then share a link or host it
Anaconda
The official Anaconda platform for Python, packages, and AI notebooks you can run locally or in the cloud
Local llm
Open WebUI
★ 124kOur pickSelf-hosted ChatGPT-style UI for local models
GPT4All
Run open-source language models on your own PC, with local document chat and no cloud login required
LocalAI
Run language, vision, and voice models on your own machine behind an OpenAI-compatible API
Continue
An open-source coding assistant that lives in your editor and talks to local or cloud models
More
ComfyUI
★ 106kOur pickNode-based UI for generative image pipelines
Fathom
Record the call, get the notes — skip writing the recap
Mage
Describe a data job and Mage builds, runs, and monitors the workflow
Dagster
Asset-based data orchestration with lineage, observability, and Dagster+ AI on top of your pipelines
Fivetran
Automated ELT that copies SaaS and database data into your warehouse on a schedule
Firebase
Google’s app backend: Auth, Firestore, Cloud Functions, and hosting in one project
CockroachDB
Distributed SQL database that survives region failures and scales like a spreadsheet of nodes
Hex
Collaborative notebooks and AI analytics that query the warehouse and publish a trusted report
Writesonic
Track how often AI search cites your brand, then ship the pages and citations that lift it
Beautiful.ai
Build on-brand slide decks with AI outlines and auto-aligning Smart Slides, then share or export to PPT
Plus AI
An AI add-on that creates and remixes slides inside PowerPoint and Google Slides
How to choose
- Start with a general assistant (Claude or ChatGPT), then add a specialist for code or images.
- If privacy matters, try Ollama or llama.cpp for local inference.
- Check the GitHub most starred subsection for open-source options you can self-host.