diff --git a/mailpoet/lib/EmailEditor/README.md b/packages/php/email-editor/README.md
similarity index 100%
rename from mailpoet/lib/EmailEditor/README.md
rename to packages/php/email-editor/README.md
diff --git a/mailpoet/lib/EmailEditor/Engine/EmailApiController.php b/packages/php/email-editor/src/Engine/EmailApiController.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/EmailApiController.php
rename to packages/php/email-editor/src/Engine/EmailApiController.php
diff --git a/mailpoet/lib/EmailEditor/Engine/EmailEditor.php b/packages/php/email-editor/src/Engine/EmailEditor.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/EmailEditor.php
rename to packages/php/email-editor/src/Engine/EmailEditor.php
diff --git a/mailpoet/lib/EmailEditor/Engine/EmailStylesSchema.php b/packages/php/email-editor/src/Engine/EmailStylesSchema.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/EmailStylesSchema.php
rename to packages/php/email-editor/src/Engine/EmailStylesSchema.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Patterns/Library/AbstractPattern.php b/packages/php/email-editor/src/Engine/Patterns/Library/AbstractPattern.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Patterns/Library/AbstractPattern.php
rename to packages/php/email-editor/src/Engine/Patterns/Library/AbstractPattern.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Patterns/Library/DefaultContent.php b/packages/php/email-editor/src/Engine/Patterns/Library/DefaultContent.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Patterns/Library/DefaultContent.php
rename to packages/php/email-editor/src/Engine/Patterns/Library/DefaultContent.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Patterns/Patterns.php b/packages/php/email-editor/src/Engine/Patterns/Patterns.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Patterns/Patterns.php
rename to packages/php/email-editor/src/Engine/Patterns/Patterns.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/BlockRenderer.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/BlockRenderer.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/BlockRenderer.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/BlockRenderer.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/BlocksParser.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/BlocksParser.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/BlocksParser.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/BlocksParser.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/BlocksRegistry.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/BlocksRegistry.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/BlocksRegistry.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/BlocksRegistry.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/ContentRenderer.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/ContentRenderer.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/ContentRenderer.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/ContentRenderer.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Layout/FlexLayoutRenderer.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Layout/FlexLayoutRenderer.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Layout/FlexLayoutRenderer.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Layout/FlexLayoutRenderer.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Postprocessors/HighlightingPostprocessor.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Postprocessors/HighlightingPostprocessor.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Postprocessors/HighlightingPostprocessor.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Postprocessors/HighlightingPostprocessor.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Postprocessors/Postprocessor.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Postprocessors/Postprocessor.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Postprocessors/Postprocessor.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Postprocessors/Postprocessor.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Postprocessors/VariablesPostprocessor.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Postprocessors/VariablesPostprocessor.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Postprocessors/VariablesPostprocessor.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Postprocessors/VariablesPostprocessor.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Preprocessors/BlocksWidthPreprocessor.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Preprocessors/BlocksWidthPreprocessor.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Preprocessors/BlocksWidthPreprocessor.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Preprocessors/BlocksWidthPreprocessor.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Preprocessors/CleanupPreprocessor.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Preprocessors/CleanupPreprocessor.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Preprocessors/CleanupPreprocessor.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Preprocessors/CleanupPreprocessor.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Preprocessors/Preprocessor.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Preprocessors/Preprocessor.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Preprocessors/Preprocessor.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Preprocessors/Preprocessor.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Preprocessors/SpacingPreprocessor.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Preprocessors/SpacingPreprocessor.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Preprocessors/SpacingPreprocessor.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Preprocessors/SpacingPreprocessor.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Preprocessors/TypographyPreprocessor.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Preprocessors/TypographyPreprocessor.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/Preprocessors/TypographyPreprocessor.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/Preprocessors/TypographyPreprocessor.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/ProcessManager.php b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/ProcessManager.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/ProcessManager.php
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/ProcessManager.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/content.css b/packages/php/email-editor/src/Engine/Renderer/ContentRenderer/content.css
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/ContentRenderer/content.css
rename to packages/php/email-editor/src/Engine/Renderer/ContentRenderer/content.css
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/Renderer.php b/packages/php/email-editor/src/Engine/Renderer/Renderer.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/Renderer.php
rename to packages/php/email-editor/src/Engine/Renderer/Renderer.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/readme.md b/packages/php/email-editor/src/Engine/Renderer/readme.md
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/readme.md
rename to packages/php/email-editor/src/Engine/Renderer/readme.md
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/template-canvas.css b/packages/php/email-editor/src/Engine/Renderer/template-canvas.css
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/template-canvas.css
rename to packages/php/email-editor/src/Engine/Renderer/template-canvas.css
diff --git a/mailpoet/lib/EmailEditor/Engine/Renderer/template-canvas.php b/packages/php/email-editor/src/Engine/Renderer/template-canvas.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Renderer/template-canvas.php
rename to packages/php/email-editor/src/Engine/Renderer/template-canvas.php
diff --git a/mailpoet/lib/EmailEditor/Engine/SettingsController.php b/packages/php/email-editor/src/Engine/SettingsController.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/SettingsController.php
rename to packages/php/email-editor/src/Engine/SettingsController.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Templates/TemplatePreview.php b/packages/php/email-editor/src/Engine/Templates/TemplatePreview.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Templates/TemplatePreview.php
rename to packages/php/email-editor/src/Engine/Templates/TemplatePreview.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Templates/Templates.php b/packages/php/email-editor/src/Engine/Templates/Templates.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Templates/Templates.php
rename to packages/php/email-editor/src/Engine/Templates/Templates.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Templates/Utils.php b/packages/php/email-editor/src/Engine/Templates/Utils.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Templates/Utils.php
rename to packages/php/email-editor/src/Engine/Templates/Utils.php
diff --git a/mailpoet/lib/EmailEditor/Engine/Templates/awesome-one.html b/packages/php/email-editor/src/Engine/Templates/awesome-one.html
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Templates/awesome-one.html
rename to packages/php/email-editor/src/Engine/Templates/awesome-one.html
diff --git a/mailpoet/lib/EmailEditor/Engine/Templates/awesome-one.json b/packages/php/email-editor/src/Engine/Templates/awesome-one.json
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Templates/awesome-one.json
rename to packages/php/email-editor/src/Engine/Templates/awesome-one.json
diff --git a/mailpoet/lib/EmailEditor/Engine/Templates/awesome-two.html b/packages/php/email-editor/src/Engine/Templates/awesome-two.html
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Templates/awesome-two.html
rename to packages/php/email-editor/src/Engine/Templates/awesome-two.html
diff --git a/mailpoet/lib/EmailEditor/Engine/Templates/awesome-two.json b/packages/php/email-editor/src/Engine/Templates/awesome-two.json
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Templates/awesome-two.json
rename to packages/php/email-editor/src/Engine/Templates/awesome-two.json
diff --git a/mailpoet/lib/EmailEditor/Engine/Templates/email-computing-mag.html b/packages/php/email-editor/src/Engine/Templates/email-computing-mag.html
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Templates/email-computing-mag.html
rename to packages/php/email-editor/src/Engine/Templates/email-computing-mag.html
diff --git a/mailpoet/lib/EmailEditor/Engine/Templates/email-computing-mag.json b/packages/php/email-editor/src/Engine/Templates/email-computing-mag.json
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Templates/email-computing-mag.json
rename to packages/php/email-editor/src/Engine/Templates/email-computing-mag.json
diff --git a/mailpoet/lib/EmailEditor/Engine/Templates/email-general.html b/packages/php/email-editor/src/Engine/Templates/email-general.html
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Templates/email-general.html
rename to packages/php/email-editor/src/Engine/Templates/email-general.html
diff --git a/mailpoet/lib/EmailEditor/Engine/Templates/preview.css b/packages/php/email-editor/src/Engine/Templates/preview.css
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/Templates/preview.css
rename to packages/php/email-editor/src/Engine/Templates/preview.css
diff --git a/mailpoet/lib/EmailEditor/Engine/ThemeController.php b/packages/php/email-editor/src/Engine/ThemeController.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/ThemeController.php
rename to packages/php/email-editor/src/Engine/ThemeController.php
diff --git a/mailpoet/lib/EmailEditor/Engine/flex-email-layout.css b/packages/php/email-editor/src/Engine/flex-email-layout.css
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/flex-email-layout.css
rename to packages/php/email-editor/src/Engine/flex-email-layout.css
diff --git a/mailpoet/lib/EmailEditor/Engine/theme.json b/packages/php/email-editor/src/Engine/theme.json
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/theme.json
rename to packages/php/email-editor/src/Engine/theme.json
diff --git a/mailpoet/lib/EmailEditor/Engine/theme.md b/packages/php/email-editor/src/Engine/theme.md
similarity index 100%
rename from mailpoet/lib/EmailEditor/Engine/theme.md
rename to packages/php/email-editor/src/Engine/theme.md
diff --git a/mailpoet/lib/EmailEditor/Integrations/Core/Initializer.php b/packages/php/email-editor/src/Integrations/Core/Initializer.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Core/Initializer.php
rename to packages/php/email-editor/src/Integrations/Core/Initializer.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/AbstractBlockRenderer.php b/packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/AbstractBlockRenderer.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/AbstractBlockRenderer.php
rename to packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/AbstractBlockRenderer.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Button.php b/packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Button.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Button.php
rename to packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Button.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Buttons.php b/packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Buttons.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Buttons.php
rename to packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Buttons.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Column.php b/packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Column.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Column.php
rename to packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Column.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Columns.php b/packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Columns.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Columns.php
rename to packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Columns.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Group.php b/packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Group.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Group.php
rename to packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Group.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Image.php b/packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Image.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Image.php
rename to packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Image.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/ListBlock.php b/packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/ListBlock.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/ListBlock.php
rename to packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/ListBlock.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Text.php b/packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Text.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Core/Renderer/Blocks/Text.php
rename to packages/php/email-editor/src/Integrations/Core/Renderer/Blocks/Text.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/Core/theme.json b/packages/php/email-editor/src/Integrations/Core/theme.json
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Core/theme.json
rename to packages/php/email-editor/src/Integrations/Core/theme.json
diff --git a/mailpoet/lib/EmailEditor/Integrations/MailPoet/Blocks/BlockTypes/AbstractBlock.php b/packages/php/email-editor/src/Integrations/MailPoet/Blocks/BlockTypes/AbstractBlock.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/MailPoet/Blocks/BlockTypes/AbstractBlock.php
rename to packages/php/email-editor/src/Integrations/MailPoet/Blocks/BlockTypes/AbstractBlock.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/MailPoet/Blocks/BlockTypes/PoweredByMailpoet.php b/packages/php/email-editor/src/Integrations/MailPoet/Blocks/BlockTypes/PoweredByMailpoet.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/MailPoet/Blocks/BlockTypes/PoweredByMailpoet.php
rename to packages/php/email-editor/src/Integrations/MailPoet/Blocks/BlockTypes/PoweredByMailpoet.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/MailPoet/Blocks/BlockTypesController.php b/packages/php/email-editor/src/Integrations/MailPoet/Blocks/BlockTypesController.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/MailPoet/Blocks/BlockTypesController.php
rename to packages/php/email-editor/src/Integrations/MailPoet/Blocks/BlockTypesController.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/MailPoet/Cli.php b/packages/php/email-editor/src/Integrations/MailPoet/Cli.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/MailPoet/Cli.php
rename to packages/php/email-editor/src/Integrations/MailPoet/Cli.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/MailPoet/EmailApiController.php b/packages/php/email-editor/src/Integrations/MailPoet/EmailApiController.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/MailPoet/EmailApiController.php
rename to packages/php/email-editor/src/Integrations/MailPoet/EmailApiController.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/MailPoet/EmailEditor.php b/packages/php/email-editor/src/Integrations/MailPoet/EmailEditor.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/MailPoet/EmailEditor.php
rename to packages/php/email-editor/src/Integrations/MailPoet/EmailEditor.php
diff --git a/mailpoet/lib/EmailEditor/Integrations/MailPoet/Templates/testing-email-with-core-blocks.html b/packages/php/email-editor/src/Integrations/MailPoet/Templates/testing-email-with-core-blocks.html
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/MailPoet/Templates/testing-email-with-core-blocks.html
rename to packages/php/email-editor/src/Integrations/MailPoet/Templates/testing-email-with-core-blocks.html
diff --git a/mailpoet/lib/EmailEditor/Integrations/Utils/DomDocumentHelper.php b/packages/php/email-editor/src/Integrations/Utils/DomDocumentHelper.php
similarity index 100%
rename from mailpoet/lib/EmailEditor/Integrations/Utils/DomDocumentHelper.php
rename to packages/php/email-editor/src/Integrations/Utils/DomDocumentHelper.php