# HCL Notes, Zimbra Collaboration Enterprise Collaboration vs Thunderbird Comparison

| | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Star Rating** | 3.2 out of 5 | 3.6 out of 5 | 4.3 out of 5 | 
| **Total Reviews** | 188 | 140 | 337 | 
| **Largest Market Segment** | Enterprise (61.4% of reviews) | Mid-Market (44.6% of reviews) | Small-Business (64.8% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | No pricing available | 

---
## Top Pros & Cons

### HCL Notes

**Not enough data**

### Zimbra Collaboration Enterprise Collaboration

Pros:
- Daily Usage (1 reviews)


### Thunderbird

Pros:
- Ease of Use (4 reviews)
- Functionality Features (4 reviews)

Cons:
- Difficult Setup (2 reviews)
- Missing Features (2 reviews)

---
## Ratings Comparison
| Rating | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
  | **Meets Requirements** | 7.2 (146 reviews) | 7.9 (111 reviews) | 8.7 (302 reviews) | 
  | **Ease of Use** | 6.5 (146 reviews) | 8.2 (111 reviews) | 8.7 (303 reviews) | 
  | **Ease of Setup** | 7.2 (37 reviews) | 6.9 (37 reviews) | 8.8 (73 reviews) | 
  | **Ease of Admin** | 7.6 (33 reviews) | 7.7 (38 reviews) | 8.4 (58 reviews) | 
  | **Quality of Support** | 6.9 (116 reviews) | 7.7 (91 reviews) | 7.9 (221 reviews) | 
  | **Has the product been a good partner in doing business?** | 7.8 (32 reviews) | 7.9 (35 reviews) | 8.1 (41 reviews) | 
  | **Product Direction (% positive)** | 3.7 (145 reviews) | 5.6 (108 reviews) | 7.6 (300 reviews) | 

---
## Pricing

### HCL Notes

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Zimbra Collaboration Enterprise Collaboration

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Thunderbird

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Email Client

| Product | Score | Reviews |
|---|---|---|
| **HCL Notes** | 7.8/10 | 32 |
| **Zimbra Collaboration Enterprise Collaboration** | N/A | N/A |
| **Thunderbird** | 8.6/10 | 121 |

#### Inbox Tools

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Unified Inbox** | 7.9 (23 reviews) | Not enough data | 8.9 (103 reviews) | 
| **Filters** | 8.1 (21 reviews) | Not enough data | 8.9 (109 reviews) | 
| **Reminders** | 7.8 (23 reviews) | Not enough data | 8.5 (96 reviews) | 
| **Notifications** | 7.8 (23 reviews) | Not enough data | 8.7 (104 reviews) | 

#### Coordination Tools

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Calendar** | 7.8 (24 reviews) | Not enough data | 8.4 (92 reviews) | 
| **Contacts** | 8.1 (24 reviews) | Not enough data | 8.6 (100 reviews) | 
| **Task Management** | 7.5 (23 reviews) | Not enough data | 8.4 (88 reviews) | 

#### Software Options

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Desktop Application** | 7.9 (24 reviews) | Not enough data | 9.2 (110 reviews) | 
| **Mobile Application** | 7.4 (16 reviews) | Not enough data | 7.5 (63 reviews) | 

#### Email Client - Agentic AI

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 

### Video Conferencing

| Product | Score | Reviews |
|---|---|---|
| **HCL Notes** | N/A | N/A |
| **Zimbra Collaboration Enterprise Collaboration** | 8.9/10 | 16 |
| **Thunderbird** | N/A | N/A |

#### Collaboration Tools

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Screen Sharing** | Not enough data | 9.4 (11 reviews) ✓ Verified | Not enough data | 
| **Presentations** | Not enough data | Not enough data | Not enough data | 
| **Whiteboarding** | Not enough data | Not enough data | Not enough data | 
| **Live Chat** | Not enough data | Not enough data | Not enough data | 
| **Hand Raising** | Not enough data | Not enough data | Not enough data | 

#### Meeting Coordination

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Scheduling** | Not enough data | 8.9 (12 reviews) ✓ Verified | Not enough data | 
| **Recording** | Not enough data | 8.7 (9 reviews) | Not enough data | 
| **Participant Permissions** | Not enough data | 8.5 (11 reviews) ✓ Verified | Not enough data | 
| **One-Click Join** | Not enough data | Not enough data | Not enough data | 

#### Software Type

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Mobile** | Not enough data | 8.9 (11 reviews) ✓ Verified | Not enough data | 
| **Browser Application** | Not enough data | Not enough data | Not enough data | 
| **Desktop Application** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Video Conferencing

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

### Email Management

| Product | Score | Reviews |
|---|---|---|
| **HCL Notes** | N/A | N/A |
| **Zimbra Collaboration Enterprise Collaboration** | N/A | N/A |
| **Thunderbird** | 8.9/10 | 9 |

#### Sorting & Filtering

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Attachment Search** | Not enough data | Not enough data | 9.2 (6 reviews) | 
| **Tags** | Not enough data | Not enough data | 10.0 (7 reviews) | 
| **AI Sorting** | Not enough data | Not enough data | 8.0 (5 reviews) | 
| **Predefined Rules** | Not enough data | Not enough data | 9.2 (6 reviews) | 

#### Integrations

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Microsoft Outlook Integration** | Not enough data | Not enough data | 8.3 (6 reviews) | 
| **Gmail Integration** | Not enough data | Not enough data | 9.0 (7 reviews) | 
| **Apple Calendar Integration** | Not enough data | Not enough data | 8.1 (6 reviews) | 

#### Time Management

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Unified Inbox** | Not enough data | Not enough data | 9.4 (6 reviews) | 
| **Email Automation** | Not enough data | Not enough data | 8.8 (7 reviews) | 
| **Snooze** | Not enough data | Not enough data | 9.0 (5 reviews) | 

#### Generative AI

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | Not enough data | 
| **AI Text-to-Speech** | Not enough data | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Email Management

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 

### Email

| Product | Score | Reviews |
|---|---|---|
| **HCL Notes** | N/A | N/A |
| **Zimbra Collaboration Enterprise Collaboration** | N/A | N/A |
| **Thunderbird** | N/A | N/A |

#### Generative AI

| Feature | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | Not enough data | Not enough data | 
| **AI Text-to-Speech** | Not enough data | Not enough data | Not enough data | 
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 

---
## Categories

**Unique to HCL Notes (1):** [Email Client Software](https://www.g2.com/categories/email-client)

**Unique to Zimbra Collaboration Enterprise Collaboration (2):** [Email Software](https://www.g2.com/categories/email), [Video Conferencing Software](https://www.g2.com/categories/video-conferencing)

**Unique to Thunderbird (2):** [Email Client Software](https://www.g2.com/categories/email-client), [Email Management Software](https://www.g2.com/categories/email-management)


---
## Reviewer Demographics

### By Company Size

| Segment | HCL Notes | Zimbra Collaboration Enterprise Collaboration | Thunderbird | 
|---|---|---|---|
| **Small-Business** | 19.9% | 22.3% | 64.8% | 
| **Mid-Market** | 18.7% | 44.6% | 24.5% | 
| **Enterprise** | 61.4% | 33.1% | 10.6% | 

### By Industry

#### HCL Notes

- **Information Technology and Services:** 14.1%
- **Computer Software:** 10.0%
- **Accounting:** 7.6%
- **Chemicals:** 4.1%
- **Hospital & Health Care:** 4.1%
- **Banking:** 3.5%
- **Government Administration:** 3.5%
- **Non-Profit Organization Management:** 3.5%
- **Management Consulting:** 2.9%
- **Financial Services:** 2.9%
- **Other:** 43.5%

#### Zimbra Collaboration Enterprise Collaboration

- **Information Technology and Services:** 12.5%
- **Higher Education:** 10.8%
- **Computer Software:** 9.2%
- **Internet:** 7.5%
- **Education Management:** 5.0%
- **Research:** 4.2%
- **Telecommunications:** 3.3%
- **Retail:** 3.3%
- **Executive Office:** 3.3%
- **Accounting:** 2.5%
- **Other:** 38.3%

#### Thunderbird

- **Information Technology and Services:** 12.7%
- **Computer Software:** 11.8%
- **Internet:** 6.7%
- **Marketing and Advertising:** 5.2%
- **Telecommunications:** 3.0%
- **Higher Education:** 2.7%
- **Consumer Goods:** 2.4%
- **Design:** 2.4%
- **Education Management:** 2.1%
- **Renewables & Environment:** 2.1%
- **Other:** 48.8%

---
## Alternatives

### Alternatives to HCL Notes

- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3463 reviews)
- [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2461 reviews)
- [Missive](https://www.g2.com/products/missive/reviews) — 4.7/5 stars (820 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1235 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56354 reviews)
- [Microsoft 365](https://www.g2.com/products/microsoft365/reviews) — 4.6/5 stars (5812 reviews)
- [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (262 reviews)
- [Shift](https://www.g2.com/products/redbrick-shift/reviews) — 4.5/5 stars (264 reviews)
- [Drag](https://www.g2.com/products/drag/reviews) — 4.5/5 stars (261 reviews)
- [Trengo](https://www.g2.com/products/trengo/reviews) — 4.3/5 stars (246 reviews)

### Alternatives to Zimbra Collaboration Enterprise Collaboration

- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (47884 reviews)
- [Microsoft 365](https://www.g2.com/products/microsoft365/reviews) — 4.6/5 stars (5812 reviews)
- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3463 reviews)
- [Zoho Mail](https://www.g2.com/products/zoho-mail/reviews) — 4.4/5 stars (713 reviews)
- [Microsoft Teams](https://www.g2.com/products/microsoft-teams/reviews) — 4.4/5 stars (18671 reviews)
- [MDaemon Email Server](https://www.g2.com/products/mdaemon-technologies/reviews) — 4.7/5 stars (173 reviews)
- [Jitsi](https://www.g2.com/products/jitsi/reviews) — 4.3/5 stars (225 reviews)
- [MailEnable](https://www.g2.com/products/mailenable/reviews) — 4.3/5 stars (17 reviews)
- [Proton Mail For Business](https://www.g2.com/products/proton-mail-for-business/reviews) — 4.6/5 stars (262 reviews)
- [IceWarp](https://www.g2.com/products/icewarp/reviews) — 4.3/5 stars (19 reviews)

### Alternatives to Thunderbird

- [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2461 reviews)
- [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (262 reviews)
- [Mailbird](https://www.g2.com/products/mailbird/reviews) — 3.6/5 stars (101 reviews)
- [BlueMail](https://www.g2.com/products/bluemail/reviews) — 4.3/5 stars (53 reviews)
- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3463 reviews)
- [Shift](https://www.g2.com/products/redbrick-shift/reviews) — 4.5/5 stars (264 reviews)
- [eM Client](https://www.g2.com/products/em-client/reviews) — 4.0/5 stars (61 reviews)
- [Zimbra Desktop](https://www.g2.com/products/zimbra-desktop/reviews) — 4.4/5 stars (22 reviews)
- [Mailspring](https://www.g2.com/products/mailspring/reviews) — 3.8/5 stars (18 reviews)
- [K-9 Mail](https://www.g2.com/products/k-9-mail/reviews) — 4.5/5 stars (13 reviews)

---
## Top Discussions

### HCL Notes

- Title: [In what industries is IBM Notes mostly used?](https://www.g2.com/discussions/in-what-industries-is-ibm-notes-mostly-used) — 1 comment, 1 upvote
  > **Top comment:** "In my experience IBM Notes is used mainly as a client for IBM Domino, which is an email server integrated into a rich platform for application..."

### Zimbra Collaboration Enterprise Collaboration

- Title: [How does Zimbra mail server work?](https://www.g2.com/discussions/how-does-zimbra-mail-server-work) — 1 comment
  > **Top comment:** "Great and very reliable "
- Title: [What is Zimbra mail server?](https://www.g2.com/discussions/what-is-zimbra-mail-server) — 1 comment
  > **Top comment:** "It's a server that provides a suite of email-related services, including email, calendar, addressbook, tasks, and briefcase (which stores documents). It's a..."
- Title: [when did zimbra launch?](https://www.g2.com/discussions/50763-when-did-zimbra-launch) — 1 comment, 1 upvote
  > **Top comment:** "The origin of the company dates back to 2005, when the first version was released."

### Thunderbird

- Title: [Has anyone managed to use the copy and paste function from excell?](https://www.g2.com/discussions/12306-has-anyone-managed-to-use-the-copy-and-paste-function-from-excell) — 2 comments, 1 upvote
  > **Top comment:** "Strange -- when I do it, the columns and rows are maintained (though some of the formatting is not kept). 

What version are you using? I'm still using..."
- Title: [What is the use of Thunderbird software?](https://www.g2.com/discussions/what-is-the-use-of-thunderbird-software) — 1 comment, 1 upvote
  > **Top comment:** "It allows you to manage multiple emails in a single window without back and forth switching. That's the main use I found. Besides that, it also has a good..."
- Title: [Has anyone managed to use the copy and paste function from excell?](https://www.g2.com/discussions/30110-has-anyone-managed-to-use-the-copy-and-paste-function-from-excell) — 1 comment
  > **Top comment:** "Thunderbird does not recognize Excel’s formatting the way Outlook can. But, it can recognize formatting from Word. Copy paste from Excel to Word, then from..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/hcl-notes-vs-zimbra-collaboration-enterprise-collaboration-vs-thunderbird)