FREEDOM251

Freedom251 › Compare

Side by side

elan vs FlyEnv

Both stand on development environment managers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

elan

Free plan LinuxMacWindows

elan automates Lean version selection from project configuration while also allowing manual toolchain management. NixOS users should follow the stated Nixpkgs recommendation, and Lake dependency downloads require git.

Visit elan

FlyEnv

Free plan LinuxMacWindows

FlyEnv combines runtime, local-site, database, and AI-tool management in a desktop workspace, with project-specific configuration and offline use. The free plan has site and project limits; Pro costs 10.00 USD once and is limited to one active device.

Visit FlyEnv

The facts

elanFlyEnv
Free planYesYes
Open sourceNot publishedNot published
Runs onLinux, Mac, WindowsLinux, Mac, Windows
Lowest paid planFree or on requestPro License: $10, paid once
Plans published12
MakerNot publishedNot published
Websitegithub.comflyenv.com
On development environment managers#11 of 50#15 of 50

elan: what it does well

  • Selects Lean versions from project configuration.
  • Supports manual toolchain management.
  • Includes shell integration and automatic switching.
  • Free under Apache-2.0 and MIT licenses.

What to know first

  • Lake needs git to download dependencies.
  • NixOS toolchains downloaded by elan require patching.
  • NixOS users are advised to install the Nixpkgs version.

FlyEnv: what it does well

  • Supports offline, container-free local workflows.
  • Sets language runtimes separately for each project.
  • Configures local domains, proxies, and HTTPS.
  • Lists integrations with several databases and AI tools.
  • Publishes source code and build history.

What to know first

  • Free plan limits local sites to 3.
  • Free plan limits custom projects to 3 per runtime.
  • Each paid license permits one active device.
  • Phone support is not available.

Alternatives to elan Alternatives to FlyEnv The whole list