twingle Twingle Provides an API for Twingle payments. AGPL-3.0 SYSTOPIA info@systopia.de https://github.com/systopia/de.systopia.twingle https://github.com/systopia/de.systopia.twingle/blob/master/README.md https://github.com/systopia/de.systopia.twingle/issues http://www.gnu.org/licenses/agpl-3.0.html 1.2-dev dev 5.0 5.19 de.systopia.xcm CRM/Twingle