quackr
Description: Quackr is a free, open source alternative to Basecamp. It is a project management and team collaboration tool allowing users to manage projects, tasks, documents, messages, time tracking, calendars and more in one place.
Type: software
Pricing: Open Source
textPlus
Description: textPlus is a free texting and calling app for Android and iOS. It allows users to send SMS texts and make phone calls for free over WiFi. Some key features include free unlimited texts and calls to any phone number in the US and Canada, voicemail transcriptions, group messaging, and integrating your existing phone number.
Type: software
Pricing: Free