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Overview

Email Kanban inside Gmail with data in your Google Drive (comments and reminders).

Colossales adds a Kanban CRM directly inside Gmail. Sort your conversations into columns, leave internal notes, set reminders, and (with Pro) manage a sales pipeline — without opening another tab. Salespeople already live in their inbox. Colossales attaches the card, status, comment, and reminder directly to the Gmail thread. No copy-pasting into a separate CRM. One specific use case: a Kanban CRM inside Gmail, with data stored in your Google Sheets. This is not a Google Workspace Marketplace add-on: it is a Chrome Manifest V3 extension. FEATURES • TODO Board (Free): To Do, In Progress, Waiting, Done — or your own columns. Each card is a real thread (inbox, sent, archived) or a manual card (call, trade show, lead outside email). • Internal comments attached to the thread. They are never sent to the customer. • Google Tasks reminders, also visible in Google Calendar depending on your configuration. Included in Free. • Pro Pipeline: Prospect → Qualified → Proposal → Won, with amount / date / probability fields, companies, contacts (Google Contacts read access), history, Drive files, multi-thread deals, dual TODO + Pipeline boards (editable columns). • Deal Assistant (Pro, on click): Gemini summarizes and suggests; you decide whether to apply the suggestions. It does not send emails. Local Google AI Studio key. • Team Plan: Workspace seats, shared Sheets workbook, members assigned to a card, read-only sharing. DATA On the first Sync, a “Colossales CRM Data” workbook is created in your Drive. You own it. Scope: drive.file — only files created by Colossales or files you explicitly open. No Google password is stored. No resale of mailbox data. PLANS Pricing: https://www.colossales.com/tarifs/ Free: TODO board, comments, Tasks reminders, last 30 threads, manual cards. Pro: pipeline, dual board, companies, contacts, history, deal fields, multi-thread deals, statuses, Drive, assistant, extended sync. Team: everything in Pro per seat, shared Sheets, Workspace sharing. Stripe payments on colossales.com. No in-app purchase through the Chrome Web Store. License = Google OAuth email. INSTALLATION 1. Add Colossales to Chrome. 2. Open Gmail using the account associated with your license. 3. Click the Colossales icon in Gmail’s left rail. 4. Authorize Gmail, Sheets, Tasks, Contacts (Directory for Team admins). 5. Pin the extension. 6. Sync, then drag a card. Help: https://www.colossales.com/aide/ Support: https://www.colossales.com/support/ Privacy: https://www.colossales.com/confidentialite/ PERMISSIONS Details: see policy above. * identity / email: license. * storage: local settings. * Gmail: board and threads. * Sheets + Drive: CRM workbook. * Tasks: reminders. * Contacts read access: contacts panel. * Directory: Team seats. * colossales.com: subscription, sharing, install ping (version only). FAQ Board not showing? Go to chrome://extensions → make sure Colossales is enabled, reload Gmail, then reconnect OAuth. Access denied? In GCP Testing mode, only allowlisted testers can authorize the app. Removing a card from the board does not delete the email. Multiple inboxes: if they are visible in Gmail, Sync indexes them. Colossales: your pipeline, without leaving Gmail.

Details

  • Version
    1.25.1
  • Updated
    October 5, 2026
  • Size
    869KiB
  • Languages
    55 languages
  • Developer
    SEBASTIEN MAIMON
    68 Rte de Paris Tassin-la-Demi-Lune 69160 FR
    Website
    Email
    hello@colossales.com
    Phone
    +33 7 57 76 16 69
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
  • D-U-N-S
    262682989

Privacy

Manage extensions and learn how they're being used in your organization

COLOSSALES has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

COLOSSALES handles the following:

Personally identifiable information
Personal communications
Website content

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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