Doosra
Description: Doosra is an open-source alternative to Qualtrics for creating online surveys and collecting response data. It provides an easy-to-use survey builder with templates and logic options to create professional surveys. Doosra stores response data securely and allows data analysis and exports.
Type: software
Pricing: Open Source
Viber
Description: Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.
Type: software