Output Messenger alternatives
Tools similar to Output Messenger: secure Business Communication and Team Collaboration Software.

FreeCallMe
Free browser calls, plus pay-as-you-go calls to real phones

GigPenguin
Send gig details and track replies for bands

useChrono
Time zone converter and meeting planner for two locations

TinkMail
Free secure email with 10GB storage and spam protection

Hopp
Low-latency remote pair programming with shared control

9bot
Automate WhatsApp group messages, moderation and reports

Online Whiteboard
Shared browser whiteboard for teams, teachers and students

Phonecall
Call landlines and mobiles in 218 countries from your browser

GreenmorMail
Business email on your own domain with a full suite

SavvyIdeas
Anonymous employee feedback with two-way replies

Collab Only
Swipe-based matching for brand, creator and business partnerships

floors.js
Add a live 3D chat room to any website with one script tag