Find answers to your questions
If you're very new to this, read the "Getting Started" portion of the /r/Fitness FAQ, and the "Getting Started" portion of this FAQ.
If you're ready to learn more about bodyweight fitness in specific and how it all works, check out "Bodyweight Workout Specifics".
If you have questions about exercises like: "how do I do a handstand?", "should I do chinups or pullups?", or "how do I work my abs?", check out the specific exercise section.
If you have questions about programs like Convict Conditioning, Insanity or Bodyweight666, check out the premade programs section.
There's a glossary for those terms and acronyms that confuse a lot of beginners
If you have any other questions that don't fall into the categories above, take a look at the miscellaneous section. And if you still haven't got a satisfactory answer to your question, submit a post to /r/Bodyweightfitness. Just make sure to read the FAQ and the Posting Guidelines first.
Workout specifics & Routine Creation
Goals
Goals are very important. Without them, you don't have any reason to work at something.
How Bodyweight Fitness Works
Bodyweight resistance training is real resistance training.
Building Muscle with Bodyweight Training
Yes, you can build muscle with bodyweight training.
Movements versus Muscles
Train movements, not muscles.
Skill Work and Strength Work
Whatever you do, make sure you devote some time to skill work if things like handstands, elbow levers and L-sit are part of your end goals.