ContactsFlow™ for Gmail™ vs OpenSolver

ContactsFlow™(formerly Shared Contacts for Gmail™) is an AI-powered contact management solution for Google Workspace™ that lets teams share, manage, and sync Google Contacts™ across their entire organization instantly and at scale. Create a single source of truth for your contacts, automate contact updates, and ensure everyone has access to accurate, up-to-date information across Gmail™, Google Contacts™, Calendar™, mobile devices, and integrated business tools.Whether you’re in HR, IT, Sales, or Marketing, this powerful contact-sharing tool helps unify your company’s address book, streamline communication, and make contact management simple and efficient. ✅ What You Can Do with ContactsFlow™ App -Unify Google™ LDAP Directories Across Domains Combine the LDAP directories of multiple Google Workspace™ domains in just one click. All employees regardless of which domain they belong to can access and sync the latest contact info of their colleagues across Gmail™, Calendar™, Drive™, mobile devices, and all connected apps. -Access Your Company Directory from Any Device Instantly sync your company’s Google™ LDAP directory to your phone and communication apps. No more scrambling to find a colleague’s number while on the go, all contact details are accessible anytime, anywhere, even on iPhone, Android, and Google Pixel devices. -Create a Shared Address Book for Your Teams Keep your entire team updated with the latest lead details, client information, or vendor contacts. As statuses or roles change, ContactsFlow™ ensures everyone sees the latest updates automatically — no more double-entry or outdated information. -Make External Collaboration Simple Easily share Google Contacts™ with agencies, contractors, or freelancers — even if they’re outside your domain. Give them instant access to only the contacts they need, with permission controls for added security. Key Features of ContactsFlow™ ✅Share your Google Contacts™ with anyone, inside or outside your organization Easily share contact labels with teammates, departments, or even Gmail™ users outside your domain. Enable real-time collaboration with external partners, contractors, or agencies by giving them access to the contacts they need. ✅Centralize your company-wide contacts in one place Build a unified address book that includes all internal and external contacts. Keep everyone on your team aligned with access to the most accurate, updated contact information. ✅Instantly sync Google Contacts™ across all devices and apps Contacts automatically sync to iPhones, Android devices, tablets, Google Contacts™, Gmail™, Calendar™, Drive™, and more. No need for manual exports or third-party tools — syncing happens automatically in real time. ✅Integrate with the tools your team already uses Connect ContactsFlow™ with CRM and thousands of other apps. Use Zapier or our Public API to automate workflows and contact updates across your business stack. ✅Manage and sync your Google™ LDAP Directory across all platforms Keep your company directory synced with users’ mobile phones, Google apps, and IP phone systems. Let employees edit and manage their own profiles — no IT request needed. ✅Hidden Fields to hide sensitive contact fields from unauthorized users Control visibility by restricting access to specific fields like personal phone numbers or internal notes. Enforce privacy policies and ensure data protection compliance. ✅Custom Fields to personalize your contact cards Set custom fields like “Customer ID,” “Plan Type,” “Onboarding Date,” “Birthday” or anything your team needs You can define custom contact fields using free text input or dropdown menus with preset options Then when your contacts are created or updated by your users or the AI, custom fields can be filled out manually or selected from predefined dropdown menus Structure contacts based on your workflow or industry - set custom fields like “Customer Type,” “Sales Region,” or “Project Name” to organize your contacts in a way that fits your industry — whether you’re in sales, education, healthcare, or real estate. This makes your contact lists more useful and easier to manage Improve searchability and categorization of shared contacts - categories like "Millennials”, “Buyer Priority,” “Renewal Due,” or “Favourite colour - Blue” so your team can quickly find the right contacts. This improves search results and helps everyone stay organized. ✅Use powerful search and filter tools to find any contact fast Search by name, company, title, tags, or custom fields. Filter contacts by team, location, client type, or any other relevant criteria. ✅Share your Google™ LDAP Directory with anyone using Gmail™ or Google Workspace™ Grant access to users or groups from other domains who need visibility into your organization’s directory. Make collaboration seamless across multi-domain or multi-company environments. ✅Assign access permissions to every user Choose from “View Only,” “Can Edit,” “Can Share,” or “Can Delete” for each shared contact list. Control who can do what with your organization’s contacts. ✅Add internal comments and tag teammates Leave notes or context directly on contact profiles. Use @mentions to notify colleagues about updates or next steps — right from the contact card. ✅Create unlimited contact lists and categories Organize contacts by project, department, region, or client type. No restrictions on how many contact groups you can create or share. ✅Enjoy unlimited sharing capacity Share with as many users, groups, and collaborators as needed — no limits. Perfect for growing teams or organizations with complex structures. ✅Restore deleted contacts with no time limit Roll back accidental deletions with our unlimited restore feature. Keep your team’s contact database safe from human error or sync issues. Why choose ContactsFlow™ (formerly Shared Contacts for Gmail™)? ContactsFlow™ (formerly Shared Contacts for Gmail™) is one of the top-rated solutions for sharing and managing Google Contacts™ across your team or organization. Whether you’re using Gmail™ or Google Workspace™ (formerly G Suite), you can easily create and share contact labels (also known as contact groups) with internal and external users including free Gmail™ accounts. It’s trusted by thousands of teams as a better alternative to tools like Shared Contacts Manager, ContactBook, CoContacts, Shared Groups, Voyzu, and others. Contacts are auto-captured from emails, calls, forms, and files. With just a few clicks, you can assign flexible permissions like View Only, Can Edit, Can Share, or Can Delete. You don’t need to leave Gmail™ — you can view, edit, and share contacts directly from your inbox or Google™ Contacts. Contacts sync everywhere and no more duplicate entry or update work needed. Every member of your team gets the right contact instantly, with full context and notes. The app also supports contact backups, making it easy to restore lost data and keep your contact database secure and up to date across all devices. Designed for easy contact management, ContactsFlow™ (formerly Shared Contacts for Gmail™) makes contact sharing effortless for businesses of any size. Install it in seconds and start collaborating instantly. Try it for free and see how it transforms the way your team shares and manages contacts, without complex setups or high costs. Start sharing smarter. Let AI do the busywork. 🔗 Visit www.contactsflow.ai for support, pricing, FAQs, and integrations. 🔍 F.A.Q 1. How does the Contacts AI Auto-Updater work inside Gmail™? It scans your incoming emails for contact info like names, emails, phone numbers, and job titles. When it finds new or updated data, it automatically updates or creates the contact directly inside Gmail™—no copy-pasting needed. 2. Can Gmail™ automatically create contacts from email signatures? Yes. The AI detects signatures in emails and auto-creates a contact card with details like name, phone number, and company, which you can edit or share instantly. 3. What happens when a contact changes their phone number or job title? The AI Auto-Updater detects changes in email signatures or headers and updates the contact across your Google Contacts™, Gmail™, and synced devices automatically. 4. Can I stop duplicate contacts in Google Contacts™ with this tool? Yes. The AI identifies duplicate entries and merges or updates them, helping you maintain a clean, accurate Google Contacts™ database. 5. Can I share contact labels with my team in Google Workspace™? Absolutely. You can share any Google Contacts™ label with users or Google Groups™ and manage permissions like View Only, Can Edit, or Can Share. 6. How do I update Google Contacts™ without leaving Gmail™? The Gmail™ add-on allows you to view, edit, and share contact cards directly from your Gmail™ sidebar—no need to switch tabs or open Google Contacts™. 7. Does this Gmail™ add-on work on mobile Gmail™ apps? Yes. It works on both Gmail™ for desktop and Gmail™ mobile apps. Contacts created or updated via the add-on sync across all your devices, including iPhones and Android. 8. Can I sync contacts between Google Workspace™ and my CRM? Yes. The add-on supports contact synchronization from external CRM systems through our API or automation workflows. 9. How do I share contacts between departments or Google Groups™? Create a Shared Contact Label and share it with specific users or entire Google Groups™. Everyone gets synced access in real time. 10. How can I use Gmail™ to manage client or vendor contact lists? Use the add-on to tag contacts (e.g., “Clients” or “Vendors”) and manage shared access, notes, and updates without leaving Gmail™. 11. Does this Gmail™ add-on use AI to manage contacts? Yes. The AI automatically detects contact data in emails and updates or creates contacts in your Google account without manual input. 12. Can AI update contacts automatically from Gmail™ threads? Yes. It detects contact changes, like new emails or phone numbers, and updates your shared contact lists instantly. 13. What kind of information can the AI extract from emails? The AI extracts names, job titles, phone numbers, email addresses, company names, and more—from email signatures and message bodies. 14. Can AI add notes to contacts based on email conversations? Yes. It summarizes key points from your email threads (e.g., "Requested demo," "Interested in upgrade") and adds them to the contact’s notes. 15. Is the contact data updated in real-time across all Google™ apps? Yes. Updates are synced instantly across Gmail™, Google Contacts™, Calendar™, Drive™, and mobile devices. 16. Can I control who sees which contacts in my organization? Yes. You can assign permission levels (View Only, Can Edit, Can Share, Can Delete) to control who sees and manages each contact. 17. Is it possible to hide private fields like notes or phone numbers? Absolutely. Admins can choose to hide sensitive fields like personal numbers or notes from specific users or groups. 18. How do I assign contact sharing permissions in Google Contacts™? From the ContactsFlow™ Dashboard or Gmail™ sidebar, assign permissions per user or group when sharing a label. 19. Is this tool secure for enterprise use? Yes. It’s GDPR-compliant, secure, and used by enterprise customers worldwide to manage contact data across teams. 20. Can I restrict access to certain contact fields per user role? Yes. You can control field-level visibility so only authorized users can view or edit sensitive information. 21. What are Shared Contact Lists and how do they work? Shared Contact Lists are Google Contacts™ labels that you can share with your team. When a contact is added or updated in the label, all users get real-time access. 22. Can I add custom fields to Google Contacts™? Yes. You can create and manage custom fields like “Customer ID” or “Contract End Date” to better organize your contacts. 23. Does this tool support backup and recovery of deleted contacts? Yes. You have unlimited backups and can restore any deleted contact, even months later. 24. Can I filter contacts by role, region, or status in Gmail™? Yes. Use advanced search filters on custom fields, job titles, company names, and more. 25. How do I tag teammates or leave internal notes on contact cards? You can add notes directly from Gmail™ and mention teammates using @tags, which sends them notifications. 26. Can I import contacts from my ERP or Active Directory into Google Contacts™? Yes. You can sync contacts from ERPs or Active Directory into ContactsFlow™, then share and manage them across Google Workspace™. 27. How do I sync contacts between multiple Google Workspace™ domains? You can set up directory synchronization between different domains, so all users share a unified address book. 28. Can this add-on make my contacts visible in other communication or productivity apps? Yes. Once contacts are synced with Google Contacts™, they automatically appear in any application that uses your device’s contact list. 29. Do I need to install anything on mobile devices to sync contacts? No. Once the app is installed and contacts are shared, they sync automatically to mobile devices without extra installation. There is also a mobile app, where you can create AI powered contacts by scanning a business card or with voice notes/audio or manually.

The OpenSolver Add-on for Google Sheets lets you solve complex optimization problems from within your Google Sheet. Made by the developers of the popular OpenSolver addin for Microsoft Excel, this add-on brings the same Open Source optimization engine to the cloud! OpenSolver for Google Sheets uses the excellent, Open Source, SCIP and Glop optimization engines to quickly solve large Linear and Integer problems. SCIP is one of the fastest non-commercial solvers for mixed integer programs, and Glop is an Open Source Linear Programming solver by the Operations Research team at Google. We also support using the Open Source COIN-OR Cbc solver via the NEOS optimization cloud, and the Open Source GLPK solver running locally in your browser via GLPK.js. There are no artificial limits on the size of problem you can solve with OpenSolver. OpenSolver is free, Open Source software developed and maintained by Andrew Mason and students at the Engineering Science department, University of Auckland, New Zealand. For more information, see www.opensolver.org