A professional tech illustration for a blog post about open source software and community collaboration. Show an open treasure chest glowing with source code symbols and binary streams, surrounded by connected hands and collaboration icons, open padlock, and branching tree representing forking. Dark graphite background with warm orange (#FF8C00) and teal (#00CED1) accent glows. Clean minimal corporate style, suitable for blog featured image. No text, no letters, no words, no numbers, no symbols, no characters.