devenv vs PortBay

devenv uses Nix to define development environments for teams and CI. A project configuration can specify packages, languages, services, tasks, secrets, variables, files, and shell scripts. The project lists 58 supported languages and 42 preconfigured services, including PostgreSQL, Redis, MySQL, RabbitMQ, and Elasticsearch. Processes can be supervised with dependencies and restarts, while tasks can run in parallel and integrate with shells or commits. SecretSpec can read declared secrets from sources such as Keychain, 1Password, LastPass, dotenv, and environment variables. devenv can build OCI containers and run integration tests with its processes active; documentation also describes GitHub Actions use for checks, builds, and tests. It requires Nix and works on Linux, macOS, and WSL. As of devenv 2.4, the project no longer builds, tests, or releases it for Intel Macs. Projects must be explicitly trusted before automatic activation. The software is free and MIT licensed, with GitHub and Discord linked for help and community. Cached shell startup is listed as under 100 ms after the first build; devenv Cloud is in private beta.

PortBay is a local development environment for running apps on a Mac and dispatching AI coding agents from a task board. Cards can be assigned to Claude Code, Codex, Cursor, or Antigravity; each card can have its own Git worktree so multiple agents can work on one repository at once. PortBay provides local project runtimes, trusted HTTPS on.test domains, per-project MySQL and PostgreSQL databases, and Mailpit email capture. Community includes public Cloudflare and SSH tunnels. Pro adds persistent SSH options including keep-alive, auto-reconnect, reverse tunnels, SOCKS proxy, and multi-hop. PortBay says source code is not uploaded and project files, task cards, the board, and agent comments stay on the machine. Agent sandboxing is on by default and denies access to credential stores and.env files outside the assigned project. The free Community plan supports up to six projects, two sandboxed runs, and one Mac. Pro is $10 a month for the first 100 licences while the subscription remains active, then $24 a month; it includes a 7-day trial. PortBay supports macOS and Linux; Windows is on the roadmap.