Harness Open Source is an end-to-end developer platform with Source Control Management, CI/CD Pipelines, Hosted Developer Environments, and Artifact Registries.

This project aims to enhance the working environment on Windows

MongoDB object modeling designed to work in an asynchronous environment.

Vagrant is a tool for building and distributing development environments.

Warp is the agentic development environment, built for coding with multiple AI agents.

Cross-platform .NET sample microservices and container based application that runs on Linux Windows and macOS. Powered by .NET 7, Docker Containers and Azure Kubernetes Services. Supports Visual Studio, VS for Mac and CLI based environments with Docker CLI, dotnet CLI, VS Code or any other code editor. Moved to https://github.com/dotnet/eShop.

Pre-Built Vulnerable Environments Based on Docker-Compose

Monospaced font family for user interface and coding environments

Loads environment variables from .env for nodejs projects.

The Unity Machine Learning Agents Toolkit (ML-Agents) is an open-source project that enables games and simulations to serve as environments for training intelligent agents using deep reinforcement learning and imitation learning.

GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with real data. It can be used to increase confidence in code deployments, configuration changes and infrastructure changes.

Cheat Engine. A development environment focused on modding

Manage your app's Ruby environment

The Fully Customizable Desktop Environment for Windows 10/11.

JupyterLab computational environment.

unclutter your .profile

The Self-hosted AI Starter Kit is an open-source template that quickly sets up a local AI environment. Curated by n8n, it provides essential tools for creating secure, self-hosted AI workflows.

Reliable UDP Transmission Optimizer based on KCP: Enhancing network efficiency in poor connectivity environments.

Python GUIs for Humans! PySimpleGUI is the top-rated Python application development environment. Launched in 2018 and actively developed, maintained, and supported in 2024. Transforms tkinter, Qt, WxPython, and Remi into a simple, intuitive, and fun experience for both hobbyists and expert users.

The developer platform for on-demand cloud development environments to create software faster and more securely.

Prowler is the world’s most widely used open-source cloud security platform that automates security and compliance across any cloud environment.

Loads environment variables from `.env` to `getenv()`, `$_ENV` and `$_SERVER` automagically.

A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

Secure environments for developers and their agents

Install and Run Python Applications in Isolated Environments

Full PHP development environment for Docker.

Persists tmux environment across system restarts.

Desktop environment in the browser

An API standard for single-agent reinforcement learning environments, with popular reference environments and related utilities (formerly Gym)

Open-source, secure environment with real-world tools for enterprise-grade agents.