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Open Source Collaboration Software (2026)
Last updated: March 2026
40 software options
Sponsored
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Enhance employee management with the only all-in-one app
Basic - from $29/month (billed annually) or $35/month (billed monthly) Advanced - from $49/month (billed annually) or $59/month (billed monthly) Expert - from $99/month (billed annually) or $119/month (billed monthly)
Read more about Connecteam
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Online work execution platform for businesses of all sizes
Choose the plan that works best for you and manage your projects, programs, and processes — all in one place. Plans start at $9.00/month when billed annually.
Read more about Smartsheet
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
A simple and secure way to connect your organization.
Standard: $0 USD (free) Advanced: $4 USD per person / month Enterprise: $8 USD per person / month Free for non-profits and educational institutions
Read more about Workplace from Meta
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Open source team chat software
Zulip is 100% free and open source, with no proprietary version. Self-host without paying a dime, or contact us to inquire about enterprise support options. We offer free Zulip Cloud hosting with up to 10,000 messages of search history. For unlimited history and other premium features, sign up for Zulip Cloud Standard for $6.67/user/month. Sponsorships and special education pricing are available. Zulip sponsors free Zulip Cloud Standard for hundreds of worthy organizations.
Read more about Zulip
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Docs, tasks, & spreadsheet collaboration with built-in chat
Personal: Free Business: $30/month for 5 users - $12 per user per month after that Enterprise: $25 per user per month
Read more about Quip
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Open source workplace messaging for web, PCs & phones
Team edition: $0 free forever Enterprise E10: $3.25 user/month billed annually Enterprise E20: $8.50/user/month
Read more about Mattermost
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
The private office suite for your cloud
Read more about Collabora Online
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Digital Workplace Software
eXo Platform Enterprise Edition plans: Professional: $5 / user / month (Starting at 100 users) Enterprise: $6 / user / month (Starting at 300 users) Ultimate: $6 / user / month (Starting at 600 users)
Read more about eXo Platform
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Cloud-based software for team collaboration & communication
Zoho Cliq offers three paid plans - Standard, Professional, and Enterprise. A free plan is also available.
Read more about Zoho Cliq
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
The Leading Enterprise Communication Hub
Rocket.Chat offers two pricing plans: Community: A free, self-managed plan designed for small teams. Enterprise: $7/user/month with a minimum of 25 users and $35/agent/month with a minimum of 5 agents.
Read more about Rocket.Chat
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
An all-in-one remote access/remote support solution
AweSun pricing starts at $9/3 devices /per month. They do have a free version.
Read more about AweSun
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Enterprise collaboration and online community software.
Zimbra Collaboration Server (ZCS) is sold per user mailbox in bundled packs of 25, 250 and 2,500. Packs are available as annual, multi-year and perpetual software licenses. Open Source Edition Zimbra Open Source Edition is a free email and collaboration solution ideal for individuals or smaller organizations that do not require Zimbra Support, advanced administration, business continuity and only IMAP email on desktops and devices. Special discounts are available for government, education and non-profit organizations.
Read more about Zimbra Collaboration Suite
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Project Management, Collaboration & Task Management Software
Free - Free forever/3 users Startup - $9/month/10 users Professional- $4/user/month from 11 users Unlimited users and custom plans, please contact us.
Read more about Orangescrum
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
The most secure collaboration platform.
Read more about Wire
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Plan. Track. Deliver. Stay compliant.
Self-Hosted with support or in the Cloud Community and Enterprise Editions
Read more about Tuleap
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Turn discussion into action. Make decisions together.
Gift: Free plan with the core functionality, for groups without a budget. Standard: $19/month or $190/year for a subscription with added features, including Slack integration. $99/month and $179/month plans for enterprises with more special features, data analytics, and support for multiple groups.
Read more about Loomio
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Cloud-based ERP solution for small to midsize businesses
Community plan: free Pro: 35€/month/user Entreprise Pro: Discuss your project Contact Axelor for more information.
Read more about Axelor
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
#1 alternative to Microsoft Project
ProjectLibre offers a free, open-source solution. Please contact Projectlibre for full pricing details for ProjectLibre Cloud.
Read more about Projectlibre
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Open-Source Extensible Wiki. Knowledge Finally Organized.
Every tier includes early security notifications and access to community extensions because security and flexibility matter at every level. Order online to automatically save 5% on Basic, Business, and Enterprise tiers. Not sure which tier fits? Reach out to our team to discuss your specific needs. We're here to help you find the right fit for your organization.
Read more about XWiki
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Streamlining team management strategically.
Read more about Rolebase
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Messaging, voice, directory & analytics software for finance
Read more about Symphony Communication
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Do knowledge management the Wiki Way!
BlueSpice offers a range of flexible packages to meet the needs of organizations of all sizes, from small teams to large enterprises. Whether you need basic functionality or a comprehensive enterprise solution, we have a package designed for your specific requirements. BlueSpice free | Community Edition - Completely free to use - Core functionality, including basic editing, content management, etc - Ideal for small teams, personal use - Community support BlueSpice pro - Starting at 4,50 € per month/user - One wiki - Hosting Cloud or OnPremises - All key-features for businesses - Professional support BlueSpice farm - Starting at 8,50 € per month/user - Multiple wikis for big organizations - Hosting Cloud or OnPremises - All key-features for businesses - Sub wiki management - Professional support
Read more about BlueSpice
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Hybrid file sharing and storage solution.
Syncplicity offers two basic packages which can be customized to meet your storage and security needs : - Personal, small and medium business packages:
Read more about Syncplicity
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Secure and privacy-compliant business messenger
Read more about Threema Work
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Empower communities with engagement and recognition.
Read more about Meeds