List of Top 15 Open Source AI Tools To Try in 2024

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Artificial Intelligence is growing rapidly and changing how we live and work. But AI tools can be expensive. Luckily, there are many open source AI tools available for free.

There are a lot of open source AI tools like TensorFlow, PyTorch, Keras, scikit-learn, Apache MXNet, CaffeTheano, and many more.

In this blog, we’ll look at the top 15 open source AI tools you can try in 2024. These tools cover different AI areas like machine learning, natural language processing, computer vision, and more. Let’s get started!

Table of Contents

1. TensorFlow

TensorFlow is a hugely popular open source platform for building and training machine learning models.

Created by Google, it allows developers to create data flow graphs that structure how data moves through the math nodes of a neural network.

TensorFlow makes it simple to deploy models on the Cloud or in a web browser and is used across many industries like Google Search, Gmail, Google Photos, and more.

Its flexibility allows you to easily retrain existing models or build custom models from scratch.

2. PyTorch

PyTorch - Open source AI tool

PyTorch is an open source machine learning library based on the Python programming language.

Unlike TensorFlow’s static computation graphs, PyTorch uses dynamic computation which allows more flexibility and speed.

It’s particularly well-suited for natural language processing tasks. PyTorch has a thriving community providing strong support through examples and documentation.

Researchers and students love PyTorch for prototyping fast and iterating quickly.

3. Keras

Keras - Open source AI tool

Keras is a high-level neural networks API that runs on top of other powerful libraries like TensorFlow or Theano.

It was developed to enable fast experimentation with deep neural networks. Keras has a simple and user-friendly interface that gets you up and running with just a few lines of code.

This makes it an excellent choice for beginners getting started with deep learning or experts prototyping new ideas. Under the hood, Keras supports both convolutional and recurrent networks.

4. Scikit-learn

scikit-learn - open source ai tool

Scikit-learn is a leading open source machine learning library for the Python programming language.

It features an abundance of efficient tools for machine learning and statistical modeling including classification, regression, clustering, and dimensionality reduction.

What makes scikit-learn so powerful is its consistency – it has a streamlined, uniform interface across all machine learning model classes.

This simplicity, combined with excellent documentation, makes scikit-learn very accessible to beginners.

5. Apache MXNet

Apache MXNet - open source AI tool

Apache MXNet is a flexible and scalable open source deep learning framework. One of its biggest strengths is allowing a mix of programming styles – you can use either imperative or symbolic programming.

This hybrid model makes MXNet fast and flexible. It is designed to run efficiently on various platforms like CPUs, GPUs, cloud services, mobile devices, and more.

Major companies like Amazon, Nvidia, MIT, and Mozilla collaborate on MXNet.

6. Caffe

Caffe - open source AI tool

Caffe is a lightweight deep-learning framework focused on expression, speed, and modularity. It was originally developed at UC Berkeley and is a popular choice in academia and research circles.

Caffe allows you to define your model configuration without needing to write too much code. It is highly efficient and processes over 60 million images per day on a single K40 GPU.

The Caffe community provides thorough documentation and pre-trained models.


CNTK - open source AI tool

The Microsoft Cognitive Toolkit (CNTK) is an open source deep learning toolkit. It describes neural network models as a series of computational steps via directed computation graphs.

CNTK supports production systems with fast performance and integrates with many Microsoft services like Cortana, Skype Translator, and Azure.

It aims to be highly efficient, enabling research with highly parallel cross-platform computing.

8. Theano

Theano - open source AI tool

Theano is an open source Python library that helps define, optimize, and evaluate mathematical expressions for deep learning models efficiently.

It uses symbolic computation and seamlessly integrates with NumPy. Theano enables the transparent use of a GPU and efficient symbolic differentiation.

This makes it faster than building models using unoptimized NumPy expressions. Theano is well-suited for computations required in large neural networks.

9. OpenAI Gym

OpenAI Gym - open source AI tool

OpenAI Gym is a toolkit for developing and comparing reinforcement learning algorithms. It consists of a suite of environments used to test reinforcement learning algorithms in a structured way.

Gym has a simple interface that allows you to write agents capable of perceiving and interacting with particular environments. It supports multiple programming languages like Python, Matlab, and Java.

10. Julia

Julialang - open source AI tool

Julia is a powerful open source programming language designed to be fast, dynamic, and great for numerical and scientific computing tasks including deep learning and machine learning.

Some benefits of Julia include simple parallelism, distributed computing capabilities, and performance that can match or beat languages like C.

Julia has an ever-growing deep-learning ecosystem with packages like Flux, Knet, and Mocha.

11. OpenNN

OpenNN - Open source AI tool

OpenNN (Open Neural Networks Library) is a C++ class library for developing and using neural networks.

It implements neural network algorithms like deep learning, pruning, ensembling, and more.

OpenNN has both graphical and command-line interfaces for designing, training, visualizing, and deploying neural networks. Its open source nature makes it customizable for researchers.

12. Shogun

Shogun - open source AI tool

Shogun is a machine-learning library that provides a wide range of efficient and unified machine-learning methods.

It can tackle large-scale machine learning problems and features efficient computation of SVMs, kernel methods, dimensionality reduction techniques like KPCA, and more.

Shogun is implemented in C++ and has language bindings for Java, C#, Ruby, R, Octave, and more.

13. Ludwig

Ludwig - Open source AI tool

Ludwig is a toolbox that allows you to train and test deep learning models without writing code.

Developed by Uber, it provides a unified data processing pipeline that seamlessly mixes techniques like data processing, encoders, neural networks, and prediction outputs.

This makes Ludwig great for non-experts to train state-of-the-art models with minimal setup.

14. MLflow

MLflow - open source AI tool

MLflow is an open source platform to manage the complete machine learning lifecycle from data preparation to production model deployment.

It provides tracking for experiments, packaging code into reproducible runs, and model management.

Key capabilities include tracking metrics and visualizing results, packaging ML code, and deploying models from any library or programming language.

15. OpenAI

OpenAI - open source AI tool

OpenAI is a leading artificial intelligence research company dedicated to promoting and developing friendly AI systems that benefit humanity.

Some of OpenAI’s open source contributions include the OpenAI Gym toolkit, AI safety research, Spinning Up reinforcement learning course, and more.

OpenAI regularly publishes breakthrough AI models and research.


In conclusion, there are many powerful open source AI tools available for free. The tools covered above allow you to build and experiment with machine learning, deep learning, reinforcement learning, and more. As an AI beginner or expert, exploring these open source AI tools can help expand your skills without spending money. Take advantage of the free resources and vibrant communities surrounding these top open source AI tools.

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