Description: Stack Overflow is a popular question and answer site for programmers. Users can ask coding questions and receive answers from a community of developers. The site has a reputation system to rate helpful responses.
Type: software
Pricing: Subscription
Description: Zenchat is a free, open-source live chat software for websites. It allows website owners to communicate with visitors in real-time and provide instant support. Zenchat is customizable, easy to integrate, and great for small businesses on a budget.
Type: software
Pricing: Open Source