Best Teambox Alternatives
If you aren’t completely satisfied with Teambox, good Teambox replacements aren’t hard to find. The problem is that most of them cost a lot of money and sometimes are a lot more difficult to use. But don’t worry, here are three free solutions that you can use and that have certain advantages over Teambox
Free for 12 users, no per user pricing (unlimited users for paid plans), API, marketplace, on premise versions.
Fully functional CRM and contact management. Online real time document editing and collaboration. E-mail connectors (Gmail, Outlook, MSExchange, iCloud, Yahoo!Mail). Human resources information system. Fully functional project management module (not just tasks). Shared calendars. Extranet. Multiple Intranets. Desktop apps. Workflow (Business Processes). Knowledge Management.
For the on premise version:
HelpDesk and Ticketing. Intranet dashboards. Active Directory / LDAP support. Records Management. New employee orientation. Records management.
Bitrix24 beats Teambox on all fronts – it has more tools available, better free plan, unlimited users in free plans and app marketplace.
Free – 1GB, no per user pricing.
Integrations with BitBucket, Zendesk, Zapier, UserVoice, New Relic, Hubot and others.
Overall: if you need no tools and simply want a groupchat, Hall makes a good free Teambox alternative, because you can have unlimited users, as long as you stay under 1 GB diskspace.
Free – ad supported
Student-centric (great fit for schools and universities). Group polls. Voice messages. E-mail notifications. Conference calling. Event scheduling.
Wiggio was created by students for students. It may lack essential business tools, but it’s good free Teambox alternative for student groups and activits.
Source - Best Wiggio Alternative