How Can I contribute to the vtiger CRM development?
Yes, you can contribute to the vtiger CRM as well as other add-ons development. As a first step please join the vtiger Developers’ mailing list and start contributing your works. You can post new modules, add-ons, language packs, enhancements, and bug fixes that you have developed in vtigerForge. You can also contribute product documentation (Developer Guidelines, Implementation Guidelines, Troubleshooting Tips) and CRM best practices, articles, and others in Wiki Documentation for vtiger CRM. Your contributions would definitely help us to bring a better product in future.