Additional ways of working on yourself
The techniques on this site will help you the most, if you use them with other forms of self-development.
The Eliza chatbot on this website can help you explore your feelings and emotions, and make them more conscious. You can also do the exercises for developing your ability to work through your feelings.
Meditation (e.g. Zen, Mindfulness, Vipassana) is particularly recommended. This helps develop self-awareness and presence in the current moment. Also it teaches you not to resist upcoming feelings and thoughts, but not to reinforce them either.
Most people will benefit from doing Yoga or Taichi. This is not only good for your physical health, but makes you feel better emotionally as well. It gradually opens the chakras and energy pathways in the body. It also helps you becoming more aware of your body.
The work of A.H. Almaas and his Diamond Approach to Self-Realization is particularly recommended. At the center of this approach is a practice called "Inquiry", intended for exploring one's psyche, so as to be able to change by understanding oneself in detail.