Sales &
Customer Service

Kill Bill is a leading open-source subscription billing & payments platform. It helps you scale your billing and payment infrastructure and to grow your business using access to real-time analytics and financial reports.

Square is a popular payment processing solution that gives users both a free app and a free reader (hardware) to swipe credit cards anywhere.

Customer Service 101: The Ultimate Guide is an article from HubSpot that includes a customer support strategy & planning template and teaches you how to keep your customers happy and help your company grow better.

Sales University by Bant.io is a comprehensive resource that can help you increase your revenue and profits by mastering cold B2B outreach and transforming your organization using tried and tested methods.

Lago is open-source software that offers a self-hosted, scalable, and modular architecture for metering and usage-based billing and can be used as an alternative to Chargebee, Recurly, or Stripe Billing.

Dialpad is an AI-powered cloud communication platform that connects your teams through voice, video, messages, and online meetings.

Monica is an open-source personal CRM that allows you to organize and record your interactions with friends and family and help you keep track of everything important.

Admidio is open-source online membership management optimized for associations, groups, and organizations, including user management, access control, event creation, and more.

ICP (Ideal Customer Profile) analysis is a tool that allows you to analyze your ideal customer profile by simply uploading a list of your existing clients (the list will be automatically deleted after the analysis).

CallHippo is an Intelligent cloud-based virtual phone system for small businesses & enterprises that comes with a power dialer, automatic call distribution, and more.

Freshsales is a cloud-based salesforce automation software that helps businesses manage leads, customer engagement, client relationships, and more through a unified platform.

Linphone is an open-source voice-over IP softphone, SIP client, and service. It may be used for direct audio and video calls through any VoIP Softswitch or IP-PBX.