Below are the steps I followed to create AEM project in eclipse without using any tool:
1. Right click in Project Explorer in eclipse.
2. Select New -> Project -> Maven -> Maven Project
3. Select checkbox : Create a simple Project(skip archetype selection)
4. UnSelect checkbox: Use default Workspace location, and then specify the location of the project in the textbox.
5. Click Next
6. Specify Group Id (com.test1), Artifact Id (test1-project), Version (0.0.1), Packaging (pom), Name (test1-project) , description (test1-project description)
7. Leave Parent Project section as empty.
8. Click Finish
9. Download "multimodule-content-package-archetype-1.0.2.jar" from maven.
10. Extract it
11. Copy below sections from "multimodule-content-package-archetype-1.0.2/archetype-resources/pom.xml" and paste into "test2-project/pom.xml"
prerequisites, properties, repositories, pluginRepositories, dependencies, build, profiles
12. Add modules section to "test2-project/pom.xml"
<modules>
<module>bundle</module>
<module>content</module>
</modules>
13. Delete "src" folder in "test1-project".
14. Create below folders in "test1-project"
"test1-project/bundle/src/main/java/"
"test1-project/bundle/test/java/"
"test1-project/bundle/target"
15. Copy pom.xml from "multimodule-content-package-archetype-1.0.2/archetype-resources/bundle/" and paste it into "test1-project/bundle/"
16. Modify below parts of "test1-project/bundle/pom.xml":
<parent>
<groupId>com.test1</groupId>
<artifactId>test1-project</artifactId>
<version>0.0.1</version>
</parent>
<!-- ====================================================================== -->
<!-- P R O J E C T D E S C R I P T I O N -->
<!-- ====================================================================== -->
<artifactId>test1-bundle</artifactId>
<packaging>bundle</packaging>
<name>Test Project Bundle</name>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-SymbolicName>com.test1.test1-project</Bundle-SymbolicName>
</instructions>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.sling</groupId>
<artifactId>maven-sling-plugin</artifactId>
<configuration>
<slingUrl>http://${crx.host}:${crx.port}/apps/test1-project/install</slingUrl>
<usePut>true</usePut>
</configuration>
</plugin>
17. Create below folders in "test1-project"
"test1-project/content/src/main/content/jcr_root"
"test1-project/content/src/main/content/META-INF/vault"
"test1-project/content/test/java/"
"test1-project/content/target"
18. Copy files under path "multimodule-content-package-archetype-1.0.2/archetype-resources/content/src/main/content/META-INF/vault"
and paste it into path "test1-project/content/src/main/content/META-INF/vault"
19. Modify below files as per project
"test1-project/content/src/main/content/META-INF/vault/filter.xml"
"test1-project/content/src/main/content/META-INF/vault/properties.xml"
"test1-project/content/src/main/content/META-INF/vault/definition/.content.xml"
20. Copy pom.xml from "multimodule-content-package-archetype-1.0.2/archetype-resources/content/" and paste it into "test1-project/content/"
21. Modify below parts of "test1-project/content/pom.xml":
<parent>
<groupId>com.test1</groupId>
<artifactId>test1-project</artifactId>
<version>0.0.1</version>
</parent>
<!-- ====================================================================== -->
<!-- P R O J E C T D E S C R I P T I O N -->
<!-- ====================================================================== -->
<artifactId>test1-content</artifactId>
<packaging>content-package</packaging>
<name>Test Project Content Package</name>
<dependencies>
<dependency>
<groupId>com.test1</groupId>
<artifactId>test1-bundle</artifactId>
<version>0.0.1</version>
</dependency>
</dependencies>
<plugin>
<groupId>com.day.jcr.vault</groupId>
<artifactId>content-package-maven-plugin</artifactId>
<extensions>true</extensions>
<configuration>
<group>test1-packages</group>
<filterSource>src/main/content/META-INF/vault/filter.xml</filterSource>
<embeddeds>
<embedded>
<groupId>com.test1</groupId>
<artifactId>test1-bundle</artifactId>
<target>/apps/test1/install</target>
</embedded>
</embeddeds>
<targetURL>http://${crx.host}:${crx.port}/crx/packmgr/service.jsp</targetURL>
</configuration>
</plugin>
22. Add below profile section in "test1-project/content/pom.xml":
<profile>
<id>local</id>
<build>
<plugins>
<plugin>
<groupId>com.day.jcr.vault</groupId>
<artifactId>maven-vault-plugin</artifactId>
<executions>
<execution>
<id>install-package</id>
<goals>
<goal>install</goal>
</goals>
<configuration>
<targetURL>http://localhost:4502/crx/packmgr/service.jsp</targetURL>
<userId>admin</userId>
<password>admin</password>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
23. Right click Project Explorer in eclipse and select "Import -> Maven -> Existing Maven Project".
Select Root directory "test1-project\bundle\"
Click Finish
24. Right click Project Explorer in eclipse and select "Import -> Maven -> Existing Maven Project".
Select Root directory "test1-project\content\"
Click Finish
25. Create Run Configuration in eclise "Maven Build -> test1-project"
Name: test1-project
Base Directory: ${workspace_loc:/test1-project}
Goals: clean install
Profiles: local
26. Execute the Run Configuration: "test1-project"