PlatformIO IDE

Even thou you can use PlatformIO Core form the command line PlatformIO provides integrations with two Open Source IDE line Atom and Visual Studio Code.

Atom

• Download and install official GitHub's Atom text editor, PlatformIO IDE is built on top of it
• Open Atom Package Manager
  • Windows, Menu: File > Settings > Install
  • Mac, Menu: Atom > Preferences > Install
  • Linux, Menu: Edit > Preferences > Install
• Search for official platformio-ide package
• Install PlatformIO IDE.

VSCode

• Download and install official Microsoft's Visual Studio Code, PlatformIO IDE is built on top of it Open VSCode Extension Manager
• Search for official platformio-ide extension
• Install PlatformIO IDE.

More integrations

Head over to the PlatformIO IDE site to know more about these IDEs and other integrations with popular IDEs like Eclipse, Sublime, Netbeans, CodeAnywhere, Cloud9,...