Open Web Systems vs. mailbox.org Comparison Chart

Proton Drive is the all-in-one workspace for storing sensitive data and collaborating with your teams, clients, and partners. Collaborate securely without compromising control: Share client files, contracts, and sensitive business documents with full end-to-end encryption. You control who can access what. Set passwords, add expiry dates, 
 or revoke access anytime. Protect all your business data:
Plans come with 1 TB of storage allowance per user, giving your team enough space for all their files and docs. You can always add more storage later if needed. Simplify compliance across industries: Proton Drive supports GDPR, HIPAA, NIS2, DORA, and ISO 27001 compliance out of the box, and has been successfully audited for SOC 2 Type II. There's no need for custom configurations or third-party tools, as this helps you meet regulatory standards with minimal effort.

Project Insight is project and portfolio management software built for growing teams and businesses. It brings all your project work together from across departments and software tools, helping you streamline workflows, automate processes, and make faster, more accurate decisions with real-time data. Manage work dynamically at the project, program, and portfolio levels to keep teams aligned and focused on strategic goals. Roll up details like status, resources, budgets, and risks instantly, so you can stay ahead of challenges and drive results. Connect Project Insight with the tools you already use — including Azure DevOps, Jira, Microsoft Project, Salesforce, and ServiceNow — to reduce manual work, break down silos, and improve collaboration across your organization. Leverage AI to predict future capacity, balance workloads, and suggest the best resources for every project. Use AI-powered search to quickly surface project data and keep work moving forward.

Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required.

ONLYOFFICE is an open-source project that offers cloud-based and self-hosted solutions for business of all sizes. The key product is ONLYOFFICE Docs, a secure office suite that seamlessly integrates into the most popular platforms, e.g. Odoo, Alfresco, Confluence, Pipedrive, Redmine, SuiteCRM and more. When integrated, ONLYOFFICE Docs provides the users of your business app with editors for documents, spreadsheets, presentations, forms, PDFs and diagrams. The ONLYOFFICE suite makes it possible to collaborate on office files in real time. The built-in AI assistant is compatible with ChatGPT, DeepSeek, Mistral and other AI providers to ensure a flawless editing experience. You can use Docs within ONLYOFFICE DocSpace, a room-based document collaboration platform that allows you to create dedicated spaces where you can assign access permissions and collaborate with your teammates. With DocSpace, you can store, share and co-edit office files, and even interact with third parties.

With our comprehensive suite of scalable cloud services, you can build your cloud server, your way. Kamatera’s infrastructure specializes in VPS hosting, with a choice of 24 data centers worldwide, including 8 data centers across the US as well as locations in Europe, Asia, and the Middle East. Our enterprise-grade cloud servers can meet your needs at every stage. We use cutting-edge hardware, such as Ice Lake Processors and NVMe SSD, to deliver consistent speed and 99.95% uptime. With a robust service like ours, you can expect plenty of great features, such as fantastic hardware, flexible and scalable cloud setup, fully managed hosting, windows server hosting, data security and safety, consultation, server migration, and disaster recovery. Our technical staff is always on duty, with 24/7 live support to assist you across all time zones. And our flexible, predictable pricing plans means you’ll only pay for what you use with our hourly or monthly billing options.

The Planfix platform allows organizations to manage their entire business online. Regardless of company size and industry, Planfix has something to offer as an excellent project and work management tool. With Planfix, your company gets a fully customizable management system, from process design to appearance. The integrated Planfix platform allows users to manage tasks and projects, CRM, sales, marketing, production, logistics, support services, finance, and human resources all at once. Data transfer between teams is seamless — for example, transactions during the implementation stage become projects, which are then transferred to support. We believe that Planfix is suitable for private businesses, nonprofits, public organizations, and any other group working towards a common goal. More than 68,000 users use Planfix to automate business workflows in over 7,000 companies.

Visual Planning is more than just overseeing projects, scheduling field teams, managing production timelines, or streamlining manufacturing operations—it’s a flexible, all-in-one platform built to support a wide range of business needs. From simple task coordination to complex, multi-layered workflows, VP adapts to how you work and brings structure, visibility, and efficiency to every part of your operation. VP gives you complete visibility into your projects, teams, equipment, machines, work orders, and operations—helping you coordinate every aspect of your business with confidence. Whether you're managing job sites, dispatching field crews, or overseeing production lines, our platform keeps everything and everyone connected. Collaborate across departments, adjust schedules on the fly, and keep work moving forward—on any device, from anywhere. Thousands of companies trust VP to simplify how they manage people, projects, equipment, and operations. Get your free custom demo today.

ACE is a quality management software solution for companies of any size, in any stage, in any highly regulated industry. ACE is fully configurable allowing your company to adapt ACE to fit into your exact quality needs. Empower all levels of your organization with intuitive user interfaces, easily search for all your documents and records, and transform your data into actionable intelligence with advanced analytics all on a single platform. Our one-stop software includes: -Office 365 Integration -Inspection Management -Document Management -Risk Management -Product Lifecycle Management -Learning Management -Audit Management -Quality Events -Paperless Validation -Electronic Signatures (21 CFR Part 11 Compliant) -Endless Workflow Configurations -And so much more! ACE comes with everything you need, all included at one price. Every application is included, no more a la carte pricing. No more nickel and diming. One software, endless solutions.

Apryse (formerly PDFTron) powers the future of document technology. We help businesses, developers, and enterprises handle documents with unmatched speed, accuracy, and security. Whether running in secure server environments or delivering seamless web-based experiences, Apryse makes document workflows smarter and easier. With Apryse, you can: Embed powerful document features directly into your apps — from viewing and editing to collaboration and compliance. Run at enterprise scale on secure server infrastructure, ensuring reliability without cloud dependencies. Deliver seamless in-browser document experiences with responsive, accessible, and feature-rich web capabilities. Trusted globally, Apryse empowers organizations to simplify operations, enhance productivity, and create exceptional document experiences.

UnForm is a powerful enterprise document management and process automation solution that seamlessly integrates with any application. Our platform-independent, fully browser-based solutions provide the ability to create, deliver, capture, index, route, and store documents from start to finish so that a transaction’s entire life cycle can be accessed with one easy search. Our data extraction and workflow capabilities enable the automation of data entry-intensive processes. UnForm.Cloud, a hosting service for UnForm Document Management, is a perfect fit for those who are running cloud-based ERP systems or looking for a solution with no hardware to purchase, manage, or maintain. Implementing UnForm has never been easier. Backed by a proven hosting vendor, Oracle, you have the peace of mind knowing your data is safe and secure with well-managed data centers and cross-region backups, ensuring reliable and continues access to your data when you need it.