Best Open-Source Communication Tools
Our curated selection of the top 10 tools. Compare features, pricing, and find the perfect fit for your needs.
TL;DR
- 1Rocket.Chat(7.8/10) — Your team values open-source solutions and needs a budget-friendly collaboration tool for any size team.. Affordable and feature-rich.
- 2Zulip(7.8/10) — Your distributed team prioritizes async communication and collaboration through threaded discussions.. Affordable and feature-rich.
- 3Mattermost(6.8/10) — Your team needs an open-source solution for enhanced collaboration and has technical expertise.. Feature-rich.
Why Rocket.Chat is #1 for open-source communication tools
Our Picks
Microsoft Teams
Microsoft Teams is a collaboration platform that integrates chat, video meetings, file storage, and app integration.
Rocket.Chat
Rocket.Chat is an open-source communication platform for team collaboration.
Connecteam
Streamline communication and collaboration with Connecteam's all-in-one platform.
Quick Comparison
| Tool | Price | Rating | Score | Best For |
|---|---|---|---|---|
| Rocket.Chat | Free — From $3/user/mo | 3.7 | 7.8 | security-conscious organizations needing self-hosted team co |
| Zulip | Free (open-source) — From $6.67/mo | 4.5 | 7.8 | teams needing organized, asynchronous threaded communication |
| Mattermost | Free — From $10/user/mo | 4.3 | 6.8 | technical teams needing secure, self-hosted team messaging. |
| Element | Free — From $2/user/mo | 4.0 | 7.8 | privacy-focused teams needing decentralized, encrypted commu |
| Microsoft Teams | Free — From $6/user/mo | 4.2 | 8.2 | organizations already using Microsoft 365 for collaboration. |
Detailed Rankings
Rocket.Chat is an open-source communication platform for team collaboration.
Skip if: you need self-hosted setup requires technical expertise to manage
Open-source team chat with threaded conversations designed for productive async communication.
Skip if: you need topic-based model has a learning curve for new users
Mattermost is an open-source communication platform for teams, enhancing collaboration and productivity.
Skip if: you need self-hosting requires dedicated it resources and maintenance
Element is a secure communication tool for teams, offering messaging and collaboration in one platform.
Microsoft Teams is a collaboration platform that integrates chat, video meetings, file storage, and app integration.
Streamline communication and collaboration with Connecteam's all-in-one platform.
Workplace by Meta is a powerful communication tool designed for teams to collaborate seamlessly.
Around is a video communication tool designed for remote teams to enhance engagement and collaboration.
Spike transforms email into a chat-like communication tool for seamless collaboration.
How to Choose
When choosing the right tool for “best open-source communication tools”, consider: your team size and budget, must-have features vs nice-to-haves, integration with your existing tools, and long-term pricing scalability. Start with free trials when available — most tools on this list offer them.
Former SaaS product manager turned analyst. Personally tested 200+ tools and built the scoring methodology behind SaasHunter rankings.
Not sure which to pick?
Get a personalized recommendation in 10 seconds.
People Also Search For
Frequently Asked Questions
What is the best open-source communication tools?
Based on user ratings and features, Rocket.Chat is the top pick for best open-source communication tools. Other strong options include Zulip, Mattermost, Element.
Are there free options for communication?
Yes, Rocket.Chat, Zulip, Microsoft Teams offer free plans in the Communication category.
How did we rank these tools?
Tools are ranked based on keyword relevance to the use case, user ratings from the SaasHunter community, and feature coverage. Featured tools with strong ratings rank higher.
How often is this list updated?
This list is updated automatically as new tools are added and user ratings change. Pricing and feature information is refreshed regularly.
Problems These Tools Solve
Get more recommendations
Subscribe for weekly curated tool picks and comparison guides.