Top ENVIRONMENT GitHub Repositories & Tools (2026)

Free, open-source tiling window manager for Apple Silicon Macs, with Niri-style scrolling containers and Hyprland-style Dwindle BSP.

VS Code in the browser

Secure environments for developers and their agents

FineEnvs — RL Environments 101: building and scaling RL environments in the age of LLMs

Open-source, Herd-like local PHP development environment for Linux and macOS. Automatic .test domains, per-project PHP/Node isolation, one-command TLS. Podman-native, rootless.

AI Kanban & Development Environment. Orchestrate multiple agents, review changes, open PRs. Multi-provider, self-hostable, no telemetry.

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

Desktop environment in the browser

Text-based desktop environment

Devopness: AI DevOps on your cloud. Deploy apps, infra and CI/CD. Any cloud and any stack, one MCP. Deterministic API, opinionated and fully configurable. No cloud credentials in AI chats. Free plan.

Open framework for confidential AI

Rack for JRuby and Java appservers

AI-Native & Cloud-Native FS: A high-performance file semantic layer for cloud object storage, integrated with high-speed cache. CNCF Sandbox Project.

Ground mobile data collection app for Android

Get environment variables exposed by CI services

Office 365 and Azure Active Directory plugins for Moodle

Quickstart for any service

The Slate programming language

⛯ Typesafe environment variables with ArkType, Zod, or Valibot.

[Public preview] Externally scored agentic ML research benchmark: 60 tasks, real competition ground truth. Open protocol, operated evaluation.