# Slack vs Zulip Comparison
---
## AI Generated Summary
- **G2 reviewers report** that Slack excels in user experience, with many users appreciating its ability to keep teams connected and organized through channels and threads. One user noted, "Slack helps keep everything moving quickly," highlighting its effectiveness in facilitating collaboration.
- **Users say** Zulip shines in managing high volumes of communication, thanks to its unique threaded conversation model. Reviewers have mentioned that this structure makes conversations more organized compared to traditional chat tools, which is particularly beneficial for project-driven teams.
- **According to verified reviews** , Slack's implementation process is praised for being quick and intuitive, making it easier for teams to get started. Users have highlighted the seamless onboarding experience, which contrasts with Zulip's more limited recent feedback on setup ease.
- **Reviewers mention** that while Zulip offers a visually appealing interface and features like multi-organization support, it struggles with overall market presence and user engagement, as evidenced by its significantly lower number of recent reviews compared to Slack.
- **Users report** that Slack's mobile application is highly rated, with features that enhance remote work efficiency. In contrast, Zulip's mobile experience has received criticism, with users noting that it doesn't match the functionality and ease of use found in Slack's app.
- **G2 reviewers highlight** that while both platforms have strong support ratings, Zulip's support is noted for being particularly responsive, with users appreciating the quality of assistance. However, Slack's overall satisfaction ratings remain higher, indicating a more favorable user experience overall.



| | Slack | Zulip | 
|---|---|---|
| **Star Rating** | 4.5 out of 5 | 4.6 out of 5 | 
| **Total Reviews** | 39,060 | 117 | 
| **Largest Market Segment** | Small-Business (41.0% of reviews) | Small-Business (70.3% of reviews) | 
| **Entry Level Price** | $0.00 | Free | 

---
## Top Pros & Cons

### Slack

Pros:
- Ease of Use (3483 reviews)
- Team Collaboration (3150 reviews)

Cons:
- Notification Issues (1137 reviews)
- Missing Features (941 reviews)

### Zulip

Pros:
- Organization (13 reviews)
- Ease of Use (10 reviews)

Cons:
- Integration Issues (4 reviews)
- Learning Curve (4 reviews)

---
## Ratings Comparison
| Rating | Slack | Zulip | 
|---|---|---|
  | **Meets Requirements** | 9.2 (31643 reviews) | 9.3 (105 reviews) | 
  | **Ease of Use** | 9.2 (32501 reviews) | 8.5 (106 reviews) | 
  | **Ease of Setup** | 9.2 (8818 reviews) | 9.1 (80 reviews) | 
  | **Ease of Admin** | 8.9 (5446 reviews) | 9.1 (46 reviews) | 
  | **Quality of Support** | 8.8 (22027 reviews) | 9.2 (82 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.1 (4927 reviews) | 9.4 (41 reviews) | 
  | **Product Direction (% positive)** | 8.7 (30854 reviews) | 8.7 (104 reviews) | 

---
## Pricing

### Slack

#### Entry-Level Pricing

Plan: Free

Price: $0.00

Description: For teams wanting to try out Slack for an unlimited period of time



Key Features:
- Searchable message archives, up to 10k of your team’s most recent messages
- 10 apps or service integrations
- Native apps for iOS, Android, Mac & Windows Desktop

[Browse all 4 editions](https://www.g2.com/products/slack/pricing)

#### Free Trial

Yes

### Zulip

#### Entry-Level Pricing

Plan: Zulip Coud Free

Price: Free

Description: Best for light use.

Key Features:
- 10,000 messages of search history
- File storage up to 5 GB total
- Complete team chat solution

[Browse all 7 editions](https://www.g2.com/products/zulip/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Business Instant Messaging

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.2/10 | 16033 |
| **Zulip** | 6.1/10 | 108 |

#### Business Instant Messaging

| Feature | Slack | Zulip | 
|---|---|---|
| **File Sharing** | 9.1 (13980 reviews) | 8.6 (96 reviews) | 
| **Notifications** | 9.0 (14514 reviews) | 8.9 (97 reviews) | 
| **Search** | 8.6 (13806 reviews) | 8.3 (96 reviews) | 

#### Business Instant Messaging 

| Feature | Slack | Zulip | 
|---|---|---|
| **Audio Conferencing** | 8.5 (10251 reviews) | 6.4 (80 reviews) | 
| **Video Conferencing** | 8.1 (9584 reviews) | 6.1 (79 reviews) | 

#### Business Instant Messaging

| Feature | Slack | Zulip | 
|---|---|---|
| **Mobile Application** | 9.1 (13687 reviews) | 7.9 (94 reviews) | 
| **Web Application** | 9.2 (13292 reviews) | 9.2 (92 reviews) | 
| **Integrations** | 9.0 (11841 reviews) | 7.8 (82 reviews) | 

#### Generative AI - Business Instant Messaging

| Feature | Slack | Zulip | 
|---|---|---|
| **Text Summarization** | 7.5 (1485 reviews) | 3.7 (49 reviews) | 

#### AI - Business Instant Messaging

| Feature | Slack | Zulip | 
|---|---|---|
| **AI Powered Search** | 7.5 (1467 reviews) | 3.9 (47 reviews) | 
| **Smart Notifications** | 7.9 (1476 reviews) | 4.7 (50 reviews) | 
| **AI Powered Language Translation** | 7.4 (1447 reviews) | 3.7 (46 reviews) | 
| **Content Generation** | 7.4 (1449 reviews) | 3.9 (47 reviews) | 

#### Agentic AI - Business Instant Messaging

| Feature | Slack | Zulip | 
|---|---|---|
| **Cross-system Integration** | 7.7 (877 reviews) | 3.9 (9 reviews) | 
| **Natural Language Interaction** | 7.7 (861 reviews) | 4.3 (9 reviews) | 

### Workflow Management

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.4/10 | 905 |
| **Zulip** | N/A | N/A |

#### Setup

| Feature | Slack | Zulip | 
|---|---|---|
| **Activities** | 9.1 (677 reviews) | Not enough data | 
| **Flows** | 8.9 (673 reviews) | Not enough data | 
| **Dependencies** | 8.7 (648 reviews) | Not enough data | 
| **Notifications** | 8.9 (687 reviews) | Not enough data | 

#### Management

| Feature | Slack | Zulip | 
|---|---|---|
| **Updates** | 9.0 (662 reviews) | Not enough data | 
| **Audit Trail** | 8.7 (640 reviews) | Not enough data | 
| **Integration** | 8.9 (659 reviews) | Not enough data | 

#### Generative AI

| Feature | Slack | Zulip | 
|---|---|---|
| **AI Text Generation** | 7.7 (556 reviews) | Not enough data | 

#### Agentic AI - Workflow Management

| Feature | Slack | Zulip | 
|---|---|---|
| **Autonomous Task Execution** | 7.7 (276 reviews) | Not enough data | 
| **Multi-step Planning** | 7.9 (272 reviews) | Not enough data | 
| **Cross-system Integration** | 8.1 (281 reviews) | Not enough data | 
| **Adaptive Learning** | 7.9 (278 reviews) | Not enough data | 
| **Natural Language Interaction** | 7.9 (277 reviews) | Not enough data | 
| **Proactive Assistance** | 7.9 (278 reviews) | Not enough data | 
| **Decision Making** | 8.0 (281 reviews) | Not enough data | 

### Q&A Platforms

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.8/10 | 409 |
| **Zulip** | N/A | N/A |

#### Account Options

| Feature | Slack | Zulip | 
|---|---|---|
| **Single Sign-On (SSO)** | 9.2 (285 reviews) | Not enough data | 
| **Social Login** | 8.4 (277 reviews) | Not enough data | 
| **Reputation System** | 8.6 (268 reviews) | Not enough data | 
| **Topic Subscription** | 8.7 (274 reviews) | Not enough data | 
| **Bookmarking** | 8.9 (284 reviews) | Not enough data | 
| **History** | 8.9 (278 reviews) | Not enough data | 

#### Q&A Tools

| Feature | Slack | Zulip | 
|---|---|---|
| **Tags** | 9.1 (283 reviews) | Not enough data | 
| **Commenting System** | 9.1 (278 reviews) | Not enough data | 
| **Notifications** | 9.1 (284 reviews) | Not enough data | 
| **Voting** | 8.7 (270 reviews) | Not enough data | 
| **Integrations** | 9.0 (280 reviews) | Not enough data | 
| **Knowledge Integrations** | 8.9 (272 reviews) | Not enough data | 
| **Embedding** | 8.6 (265 reviews) | Not enough data | 
| **Formatting** | 8.8 (269 reviews) | Not enough data | 
| **Analytics** | 8.5 (265 reviews) | Not enough data | 

### Knowledge Base

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.3/10 | 497 |
| **Zulip** | N/A | N/A |

#### Knowledge Pages

| Feature | Slack | Zulip | 
|---|---|---|
| **Templates** | 8.4 (343 reviews) | Not enough data | 
| **In-Content Feedback** | 8.3 (343 reviews) | Not enough data | 
| **Versioning and Version History** | 8.1 (332 reviews) | Not enough data | 
| **Decision Trees** | 8.1 (330 reviews) | Not enough data | 
| **Duplicate Detection** | 7.9 (325 reviews) | Not enough data | 
| **Content Editor** | 8.4 (330 reviews) | Not enough data | 

#### Knowledge Dissemination

| Feature | Slack | Zulip | 
|---|---|---|
| **Page Analytics** | 8.2 (321 reviews) | Not enough data | 
| **Permissions** | 8.7 (329 reviews) | Not enough data | 
| **Knowledge Sharing** | 9.0 (338 reviews) | Not enough data | 
| **Notifications** | 8.9 (337 reviews) | Not enough data | 
| **Advanced Search** | 8.3 (330 reviews) | Not enough data | 
| **Browser Extension** | 8.2 (318 reviews) | Not enough data | 
| **Organization** | 8.7 (335 reviews) | Not enough data | 
| **Other Integrations** | 8.6 (324 reviews) | Not enough data | 
| **Knowledge Integrations** | 8.6 (315 reviews) | Not enough data | 

#### Agentic AI - Knowledge Base

| Feature | Slack | Zulip | 
|---|---|---|
| **Adaptive Learning** | 7.9 (197 reviews) | Not enough data | 
| **Natural Language Interaction** | 7.9 (199 reviews) | Not enough data | 
| **Proactive Assistance** | 7.8 (197 reviews) | Not enough data | 

### Unified Workspaces

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.3/10 | 1025 |
| **Zulip** | N/A | N/A |

#### Login Options 

| Feature | Slack | Zulip | 
|---|---|---|
| **Single Sign-On (SSO)** | 9.1 (774 reviews) | Not enough data | 
| **Password Saver** | 8.5 (737 reviews) | Not enough data | 

#### Productivity

| Feature | Slack | Zulip | 
|---|---|---|
| **Email Client** | 8.0 (726 reviews) | Not enough data | 
| **Split Screen** | 8.3 (730 reviews) | Not enough data | 
| **Activity Feed** | 8.6 (739 reviews) | Not enough data | 
| **Virtual Assistant** | 7.8 (712 reviews) | Not enough data | 
| **Analytics and Reporting** | 7.9 (706 reviews) | Not enough data | 

#### Customization 

| Feature | Slack | Zulip | 
|---|---|---|
| **Custom Workflows** | 8.6 (736 reviews) | Not enough data | 
| **Multiple Workspaces** | 9.0 (755 reviews) | Not enough data | 
| **Custom Application Integration** | 8.7 (718 reviews) | Not enough data | 

#### Agentic AI - Unified Workspaces

| Feature | Slack | Zulip | 
|---|---|---|
| **Autonomous Task Execution** | 7.5 (403 reviews) | Not enough data | 
| **Adaptive Learning** | 7.6 (400 reviews) | Not enough data | 

### Enterprise Search Software

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 9.0/10 | 142 |
| **Zulip** | N/A | N/A |

#### Compatibility

| Feature | Slack | Zulip | 
|---|---|---|
| **Federated Search** | 9.0 (96 reviews) | Not enough data | 
| **File Types** | 9.0 (98 reviews) | Not enough data | 
| **Global Language Support** | 8.9 (88 reviews) | Not enough data | 

#### Agentic AI - Enterprise Search Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Autonomous Task Execution** | 8.4 (57 reviews) | Not enough data | 
| **Multi-step Planning** | 8.3 (54 reviews) | Not enough data | 
| **Cross-system Integration** | 8.9 (55 reviews) | Not enough data | 
| **Adaptive Learning** | 8.5 (55 reviews) | Not enough data | 
| **Proactive Assistance** | 8.5 (55 reviews) | Not enough data | 
| **Decision Making** | 8.6 (54 reviews) | Not enough data | 

#### Search Queries

| Feature | Slack | Zulip | 
|---|---|---|
| **Typo Tolerance** | 8.8 (92 reviews) | Not enough data | 
| **Faceted Search** | 9.0 (94 reviews) | Not enough data | 
| **Synonyms** | 8.7 (88 reviews) | Not enough data | 
| **Highlighting** | 9.1 (90 reviews) | Not enough data | 
| **Natural Language** | 8.9 (88 reviews) | Not enough data | 

#### AI powered search - Enterprise Search Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Generative RAG (Retrieval augmented generation)** | 9.0 (21 reviews) | Not enough data | 
| **Relevance Tuning** | 9.1 (21 reviews) | Not enough data | 
| **NLP & Semantic search** | 9.0 (21 reviews) | Not enough data | 

#### Functionality

| Feature | Slack | Zulip | 
|---|---|---|
| **Personalization** | 8.8 (87 reviews) | Not enough data | 
| **Search Analytics** | 8.9 (88 reviews) | Not enough data | 
| **Integrations** | 9.1 (94 reviews) | Not enough data | 

#### Compatibility - Enterprise Search Software

| Feature | Slack | Zulip | 
|---|---|---|
| **File Types** | 9.3 (23 reviews) | Not enough data | 
| **Federated Search** | 9.2 (21 reviews) | Not enough data | 
| **Global Language Support** | 9.2 (22 reviews) | Not enough data | 

#### Functionality - Enterprise Search Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Personalization** | 9.2 (23 reviews) | Not enough data | 
| **Search Analytics** | 9.0 (21 reviews) | Not enough data | 
| **Integrations** | 9.4 (24 reviews) | Not enough data | 

#### Search Queries - Enterprise Search Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Highlighting** | 9.4 (21 reviews) | Not enough data | 
| **Faceted Search** | 9.1 (20 reviews) | Not enough data | 
| **Typo Tolerance** | 9.0 (22 reviews) | Not enough data | 
| **Synonyms** | 9.3 (22 reviews) | Not enough data | 

### Work Management

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.5/10 | 2655 |
| **Zulip** | N/A | N/A |

#### Automation

| Feature | Slack | Zulip | 
|---|---|---|
| **Workflows** | 8.9 (1250 reviews) | Not enough data | 
| **Customization** | 8.8 (1205 reviews) | Not enough data | 
| **Data repository** | 8.5 (1180 reviews) | Not enough data | 

#### Administration

| Feature | Slack | Zulip | 
|---|---|---|
| **Permissions** | 8.8 (1199 reviews) | Not enough data | 
| **Procedures** | 8.6 (1134 reviews) | Not enough data | 
| **Remote Work** | 9.4 (1372 reviews) | Not enough data | 

#### Project management

| Feature | Slack | Zulip | 
|---|---|---|
| **Task Prioritization** | 8.7 (1169 reviews) | Not enough data | 
| **Dependencies** | 8.5 (1116 reviews) | Not enough data | 
| **Planning** | 8.6 (1140 reviews) | Not enough data | 
| **Views** | 8.5 (1128 reviews) | Not enough data | 
| **Scheduling** | 8.6 (1139 reviews) | Not enough data | 
| **Critical Path** | 8.3 (1095 reviews) | Not enough data | 
| **Dashboards** | 8.3 (1121 reviews) | Not enough data | 

#### Workload

| Feature | Slack | Zulip | 
|---|---|---|
| **Resource Allocation** | 8.4 (1077 reviews) | Not enough data | 
| **Workspace** | 8.8 (1172 reviews) | Not enough data | 
| **Configuration** | 8.6 (1093 reviews) | Not enough data | 
| **Insights** | 8.5 (1088 reviews) | Not enough data | 

#### Communication & Collaboration

| Feature | Slack | Zulip | 
|---|---|---|
| **Communication Channels** | 9.4 (1804 reviews) | Not enough data | 
| **Document Management** | 9.0 (1345 reviews) | Not enough data | 
| **Collaboration** | 9.4 (1529 reviews) | Not enough data | 

#### Cost Management

| Feature | Slack | Zulip | 
|---|---|---|
| **Project Budgeting** | 8.0 (1069 reviews) | Not enough data | 
| **Time & Expense** | 8.2 (1070 reviews) | Not enough data | 
| **Profitability** | 8.1 (1064 reviews) | Not enough data | 

#### Integration

| Feature | Slack | Zulip | 
|---|---|---|
| **Front Office** | 8.7 (1279 reviews) | Not enough data | 
| **Back Office** | 8.4 (1082 reviews) | Not enough data | 
| **External data** | 8.4 (1092 reviews) | Not enough data | 

#### Generative AI

| Feature | Slack | Zulip | 
|---|---|---|
| **AI Text Generation** | 7.5 (1026 reviews) | Not enough data | 
| **AI Text Summarization** | 7.7 (1048 reviews) | Not enough data | 

#### Agentic AI - Work Management

| Feature | Slack | Zulip | 
|---|---|---|
| **Autonomous Task Execution** | 7.7 (519 reviews) | Not enough data | 
| **Multi-step Planning** | 7.8 (511 reviews) | Not enough data | 
| **Cross-system Integration** | 8.2 (548 reviews) | Not enough data | 
| **Natural Language Interaction** | 7.8 (516 reviews) | Not enough data | 

### Project Collaboration

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.5/10 | 1658 |
| **Zulip** | N/A | N/A |

#### Communication

| Feature | Slack | Zulip | 
|---|---|---|
| **Chat** | 9.5 (1195 reviews) | Not enough data | 
| **Discussions** | 9.4 (1150 reviews) | Not enough data | 
| **External** | 8.8 (1056 reviews) | Not enough data | 
| **Feedback** | 8.9 (1036 reviews) | Not enough data | 
| **Announcements** | 9.1 (1050 reviews) | Not enough data | 

#### Content & Documents

| Feature | Slack | Zulip | 
|---|---|---|
| **File Sharing** | 9.2 (1112 reviews) | Not enough data | 
| **Notes** | 8.9 (1045 reviews) | Not enough data | 
| **Search** | 8.7 (1072 reviews) | Not enough data | 
| **Versioning** | 8.1 (1001 reviews) | Not enough data | 

#### Controls

| Feature | Slack | Zulip | 
|---|---|---|
| **Custom Views** | 8.3 (987 reviews) | Not enough data | 
| **Followers** | 8.1 (982 reviews) | Not enough data | 
| **User Management** | 8.7 (997 reviews) | Not enough data | 
| **Calendars** | 8.4 (1006 reviews) | Not enough data | 
| **Public Sharing** | 8.2 (973 reviews) | Not enough data | 

#### Project Management

| Feature | Slack | Zulip | 
|---|---|---|
| **Task Management** | 8.4 (1000 reviews) | Not enough data | 
| **Planning** | 8.3 (974 reviews) | Not enough data | 
| **Visibility** | 8.5 (980 reviews) | Not enough data | 
| **Integration** | 8.7 (993 reviews) | Not enough data | 

#### Remote Collaboration

| Feature | Slack | Zulip | 
|---|---|---|
| **Alignment** | 9.0 (995 reviews) | Not enough data | 
| **Accountability** | 8.7 (968 reviews) | Not enough data | 
| **Connectivity** | 9.0 (988 reviews) | Not enough data | 
| **Offline Mode** | 7.8 (952 reviews) | Not enough data | 

#### Generative AI

| Feature | Slack | Zulip | 
|---|---|---|
| **AI Text Generation** | 7.3 (924 reviews) | Not enough data | 
| **AI Text Summarization** | 7.4 (928 reviews) | Not enough data | 

#### Agentic AI - Project Collaboration

| Feature | Slack | Zulip | 
|---|---|---|
| **Multi-step Planning** | 7.5 (436 reviews) | Not enough data | 
| **Cross-system Integration** | 7.7 (439 reviews) | Not enough data | 

### Audio Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 7.6/10 | 349 |
| **Zulip** | N/A | N/A |

#### Agentic AI - Audio Conferencing

| Feature | Slack | Zulip | 
|---|---|---|
| **Proactive Assistance** | 7.5 (277 reviews) | Not enough data | 
| **Decision Making** | 7.7 (278 reviews) | Not enough data | 

### AI Note-Taking Software

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 9.1/10 | 30 |
| **Zulip** | N/A | N/A |

#### Action Item Detection - AI Note-taking Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Action Item extraction** | 8.9 (12 reviews) | Not enough data | 
| **Summary Generation** | 9.2 (12 reviews) | Not enough data | 

#### Automatic Transcription - AI Note-taking Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Speech-to-text Transcription** | 9.5 (14 reviews) | Not enough data | 

#### Collaboration & Sharing - AI Note-taking Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Team-based Access** | 9.4 (13 reviews) | Not enough data | 

#### Language & Accent Support - AI Note-taking Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Multi-Language and Accent Support** | 9.2 (13 reviews) | Not enough data | 

#### Multi-Platform Integration - AI Note-taking Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Integrations** | 9.0 (14 reviews) | Not enough data | 

#### Privacy & Security Controls - AI Note-taking Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Access Control** | 8.9 (14 reviews) | Not enough data | 

#### Searchable Note Archives - AI Note-taking Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Semantic Search** | 8.8 (12 reviews) | Not enough data | 

#### Speaker Identification - AI Note-taking Software

| Feature | Slack | Zulip | 
|---|---|---|
| **Speaker Recognition** | 9.2 (14 reviews) | Not enough data | 

### Knowledge Management

| Product | Score | Reviews |
|---|---|---|
| **Slack** | N/A | N/A |
| **Zulip** | N/A | N/A |

#### Knowledge Base

| Feature | Slack | Zulip | 
|---|---|---|
| **Q & A** | Not enough data | Not enough data | 
| **Link Sharing** | Not enough data | Not enough data | 
| **Searchable** | Not enough data | Not enough data | 

#### Security

| Feature | Slack | Zulip | 
|---|---|---|
| **Verification** | Not enough data | Not enough data | 
| **Role-Based Permission** | Not enough data | Not enough data | 
| **Public vs Private** | Not enough data | Not enough data | 

#### Content

| Feature | Slack | Zulip | 
|---|---|---|
| **Trackable Analytics** | Not enough data | Not enough data | 
| **Import** | Not enough data | Not enough data | 
| **File Viewing** | Not enough data | Not enough data | 
| **Update Notifications** | Not enough data | Not enough data | 

#### Communication

| Feature | Slack | Zulip | 
|---|---|---|
| **Social Features** | Not enough data | Not enough data | 
| **Tagging ** | Not enough data | Not enough data | 
| **Upload ** | Not enough data | Not enough data | 
| **Comments** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [Business Instant Messaging Software](https://www.g2.com/categories/business-instant-messaging)

**Unique to Slack (9):** [Knowledge Base Software](https://www.g2.com/categories/knowledge-base-software), [Unified Workspaces Software](https://www.g2.com/categories/unified-workspaces), [Work Management Software](https://www.g2.com/categories/work-management), [Enterprise Search Software](https://www.g2.com/categories/enterprise-search-software), [Q&A Platforms ](https://www.g2.com/categories/q-a-platforms), [AI Note-Taking Software](https://www.g2.com/categories/ai-note-taking-software), [Project Collaboration Software](https://www.g2.com/categories/project-collaboration), [Workflow Management Software](https://www.g2.com/categories/workflow-management), [Audio Conferencing Software](https://www.g2.com/categories/audio-conferencing)



---
## Reviewer Demographics

### By Company Size

| Segment | Slack | Zulip | 
|---|---|---|
| **Small-Business** | 41.0% | 70.3% | 
| **Mid-Market** | 40.7% | 22.5% | 
| **Enterprise** | 18.3% | 7.2% | 

### By Industry

#### Slack

- **Computer Software:** 15.4%
- **Information Technology and Services:** 13.2%
- **Marketing and Advertising:** 8.5%
- **Internet:** 4.6%
- **Financial Services:** 3.4%
- **Education Management:** 3.3%
- **Higher Education:** 3.2%
- **Non-Profit Organization Management:** 2.6%
- **Hospital & Health Care:** 2.1%
- **Retail:** 1.7%
- **Other:** 42.1%

#### Zulip

- **Research:** 23.6%
- **Computer Software:** 17.3%
- **Higher Education:** 8.2%
- **Information Technology and Services:** 6.4%
- **Consumer Services:** 2.7%
- **Education Management:** 2.7%
- **Oil & Energy:** 2.7%
- **Non-Profit Organization Management:** 2.7%
- **Consulting:** 1.8%
- **Market Research:** 1.8%
- **Other:** 30.0%

---
## Alternatives

### Alternatives to Slack

- [ClickUp](https://www.g2.com/products/clickup/reviews) — 4.6/5 stars (12453 reviews)
- [monday Work Management](https://www.g2.com/products/monday-com/reviews) — 4.7/5 stars (15395 reviews)
- [Confluence](https://www.g2.com/products/confluence/reviews) — 4.1/5 stars (4356 reviews)
- [Swit](https://www.g2.com/products/swit/reviews) — 4.7/5 stars (361 reviews)
- [Asana](https://www.g2.com/products/asana/reviews) — 4.4/5 stars (13647 reviews)
- [Wrike](https://www.g2.com/products/wrike/reviews) — 4.2/5 stars (4531 reviews)
- [Smartsheet](https://www.g2.com/products/smartsheet/reviews) — 4.4/5 stars (22145 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56400 reviews)
- [Microsoft Teams](https://www.g2.com/products/microsoft-teams/reviews) — 4.4/5 stars (19031 reviews)
- [Notion](https://www.g2.com/products/notion/reviews) — 4.6/5 stars (11897 reviews)

### Alternatives to Zulip

- [Rocket.Chat](https://www.g2.com/products/rocket-chat/reviews) — 4.2/5 stars (374 reviews)
- [Mattermost](https://www.g2.com/products/mattermost/reviews) — 4.3/5 stars (368 reviews)
- [Element](https://www.g2.com/products/element-io/reviews) — 4.2/5 stars (43 reviews)
- [Microsoft Teams](https://www.g2.com/products/microsoft-teams/reviews) — 4.4/5 stars (19031 reviews)
- [Webex Suite](https://www.g2.com/products/cisco-webex-suite/reviews) — 4.2/5 stars (18892 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56400 reviews)
- [ClickUp](https://www.g2.com/products/clickup/reviews) — 4.6/5 stars (12453 reviews)
- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (48031 reviews)
- [Hive](https://www.g2.com/products/hive-hive-hive/reviews) — 4.6/5 stars (666 reviews)
- [Microsoft 365](https://www.g2.com/products/microsoft365/reviews) — 4.6/5 stars (5823 reviews)

---
## Top Discussions

### Slack

- Title: [How do I delete a channel in slack?](https://www.g2.com/discussions/10278-how-do-i-delete-a-channel-in-slack) — 47 comments, 8 upvotes
  > **Top comment:** "Currently, Slack has disabled deleting a channel, you can only archive it if you created it."
- Title: [What does slack software do?](https://www.g2.com/discussions/what-does-slack-software-do) — 28 comments, 1 upvote
  > **Top comment:** "Slack is a messaging software perfect for companies, it allows you to create channels (groups), it let's you answer to messages in threads and react to..."
- Title: [What is Slack used for?](https://www.g2.com/discussions/what-is-slack-used-for) — 22 comments, 7 upvotes
  > **Top comment:** "It connect us with the people no matter where we are through messaging and calls."
- Title: [What integrations have you found most effective for streamlining communication in Slack?](https://www.g2.com/discussions/what-integrations-have-you-found-most-effective-for-streamlining-communication-in-slack) — 20 comments, 4 upvotes
  > **Top comment:** "Microsoft Outlook, Google Suite"
- Title: [Is Slack a good tool?](https://www.g2.com/discussions/is-slack-a-good-tool) — 20 comments, 22 upvotes
  > **Top comment:** "Yes it is a good tool. I am using it for a couple of years.  "

### Zulip

- Title: [Does Zulip have an app?](https://www.g2.com/discussions/does-zulip-have-an-app) — 1 comment
  > **Top comment:** "Yes"

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/slack-vs-zulip)