Manganum: Sidebar with Gmail and Google Calendar is a strong option, but it is not the right fit for everyone. Below are 10 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
One-click access to your productivity tools, even Google Calendar and Gmail.
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| Manganum: Sidebar with Gmail and Google Calendar (original) | — | — | Free | One-click access to your productivity tools, even Google Calendar and Gmail. |
| AnyDoc Translator - Translate Web and PDF | — | — | Free | The ultimate AI translator for web, files, ebooks, academic papers, images, and text |
| RetailMeNot: Codes, Cash Back and Coupons | — | — | Free | Automatically finds the best promo codes and cash back as you shop online. |
| Sumopaint - Online Image Editor | — | — | Free | Sumopaint is a full featured painting and image editing application. |
| Gmail reverse conversation | 4.4 | 300K+ | Free | The add-on reverse emails in conversation view. |
| Adblock Bear - stop invasive ads | — | — | Free | The ultimate ad blocker with anti-adblock protection and daily updated rules. |
| Residential VPN | Tuxler | — | — | Free | A revolutionary community-powered VPN network with a HUGE number of worldwide locations available. |
| AI Sidebar with Deepseek, ChatGPT, Claude and more. | — | — | Free | Chat with Deepseek AI, ChatGPT, Claude, and more. Boost creativity and productivity using this powerful AI-powered browser tool. |
| Knowt: Quizlet Import, AI Notes & Flashcards | — | — | Free | Automatically import flashcards and notes from any video, PDF, article, or flashcard site. Knowt is the fastest way to study. |
| Fireflies: AI meeting notes | — | — | Free | Record & Transcribe meetings & calls directly from the browser with free unlimited transcriptions |
| Universal Ad Blocker | — | — | Free | Your Best Defense Against Ads and Trackers. |
The ultimate AI translator for web, files, ebooks, academic papers, images, and text
Why it replaces Manganum: Sidebar with Gmail and Google Calendar: Covers similar ground in the AI category: The ultimate AI translator for web, files, ebooks, academic papers, images, and text
Automatically finds the best promo codes and cash back as you shop online.
Why it replaces Manganum: Sidebar with Gmail and Google Calendar: Covers similar ground in the AI category: Automatically finds the best promo codes and cash back as you shop online.
Sumopaint is a full featured painting and image editing application.
Why it replaces Manganum: Sidebar with Gmail and Google Calendar: Covers similar ground in the AI category: Sumopaint is a full featured painting and image editing application.
The add-on reverse emails in conversation view.
Why it replaces Manganum: Sidebar with Gmail and Google Calendar: Covers similar ground in the AI category: The add-on reverse emails in conversation view.
The ultimate ad blocker with anti-adblock protection and daily updated rules.
Why it replaces Manganum: Sidebar with Gmail and Google Calendar: Covers similar ground in the AI category: The ultimate ad blocker with anti-adblock protection and daily updated rules.
A revolutionary community-powered VPN network with a HUGE number of worldwide locations available.
Why it replaces Manganum: Sidebar with Gmail and Google Calendar: Covers similar ground in the AI category: A revolutionary community-powered VPN network with a HUGE number of worldwide locations available.
Chat with Deepseek AI, ChatGPT, Claude, and more. Boost creativity and productivity using this powerful AI-powered browser tool.
Why it replaces Manganum: Sidebar with Gmail and Google Calendar: Covers similar ground in the AI category: Chat with Deepseek AI, ChatGPT, Claude, and more. Boost creativity and productivity using this powerful AI-powered browser tool.
Automatically import flashcards and notes from any video, PDF, article, or flashcard site. Knowt is the fastest way to study.
Why it replaces Manganum: Sidebar with Gmail and Google Calendar: Covers similar ground in the AI category: Automatically import flashcards and notes from any video, PDF, article, or flashcard site. Knowt is the fastest way to study.
Record & Transcribe meetings & calls directly from the browser with free unlimited transcriptions
Why it replaces Manganum: Sidebar with Gmail and Google Calendar: Covers similar ground in the AI category: Record & Transcribe meetings & calls directly from the browser with free unlimited transcriptions
Your Best Defense Against Ads and Trackers.
Why it replaces Manganum: Sidebar with Gmail and Google Calendar: Covers similar ground in the AI category: Your Best Defense Against Ads and Trackers.
Direct comparisons with the extensions people weigh against it.
AnyDoc Translator - Translate Web and PDF is the closest match. Covers similar ground in the AI category: The ultimate AI translator for web, files, ebooks, academic papers, images, and text
Yes — AnyDoc Translator - Translate Web and PDF, RetailMeNot: Codes, Cash Back and Coupons, Sumopaint - Online Image Editor are free.
