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Top Synacor Alternatives, Competitors & Similar Software

Founded 1998

Find 20 competitors in the Email Client Software. Compare other SaaS such as Scand, Trengo and eSense. These Synacor competitors have raised $38.8M and together serve more than 129K customers and employ over 1.2K team members.

Compare Synacor with Scand
1
Scand

Email Client Software

Scand is a custom software development company located in Warsaw, Poland. 25+ years in IT, more than 700 successful projects for hundreds of customers globally and over 250 highly experienced engineers are our main assets. Among our clients are: NASA, IBM, Cisco, FedEx, Bank of America, Dresdner Bank, Reuters, Yahoo!, Siemens, Merrill Lynch, and many other Fortune 500 companies. The company is primarily focusing on software application and product development using .NET, Java, PHP, C/C++ and other technologies. Our Core Services are: • Web Application Development • Desktop Application Development • Mobile Application Development • Cloud App Development • Embedded Development Since 2000 we've been developing customized solutions for various IT companies, e-commerce businesses, logistics enterprises, education institutions and healthcare organizations. As well as we provide tailored software development for IoT, augmented and virtual reality. For more details, please, contact at: [email protected].

Revenue
$23M
Customers
-
Year founded
2000
Funding
-
Team size
209
Location
Poland
Compare Synacor with Trengo
2
Trengo

Email Client Software

Developer of an online social application designed for improving communication channel in an enterprise. The company's application streamlines emails, social media and whatsapp messages, calls and collaborate in team inbox, providing enterprises an innovative solution to communicate with their clients via all communication and media channels through one shared inbox.

Revenue
$17.9M
Customers
8K
Year founded
2015
Funding
$38.1M
Team size
109
Location
Netherlands
Compare Synacor with eSense
3
eSense

Email Client Software

eSense is a leading regional software and cloud technologies company recognized for its innovative solutions and continued pursuit to provide exceptional services to its clients. Established in 2002 as a software development company, eSense rapidly evolved into developing stellar enterprise solutions and assisting organizations to transform their IT, line of business apps, platforms, and solutions to modern, cloud-powered solutions. Today, eSense is headquartered in Saudi Arabia with over 200 employees serving a wide array of public enterprises, educational and private entities. Check out our Social Media Profiles for news: Twitter @eSenseSoftware Facebook @eSenseSoftware

Revenue
$25.7M
Customers
-
Year founded
2002
Funding
-
Team size
234
Location
Saudi Arabia
Compare Synacor with 500apps
4
500apps

Email Client Software

500apps is the world's first All-in-One SaaS suite of 39+ apps that cover all areas of business operations. This includes the world’s top 5 CRM, live-chat, leads finder, marketing automation, email service, website builder, conferencing, collaboration, etc. You can also build an app on your own. We have helped over 30,000 businesses grow like the Fortune 500 and with 6 data centers, 12 languages, and a 99.5% global uptime guarantee we are revolutionizing the global workspace. • All-in-One Suite of 39 apps for your entire company • Unbelievable pricing - $14.99/user - no tiers • 24/5 Chat, Phone, and Email Support with daily Onboarding Webinars • 200+ Integrations with the finest software tools in the market • Countless product releases each year via automatic updates

Revenue
$8.7M
Customers
-
Year founded
2018
Funding
-
Team size
79
Location
United States
Compare Synacor with Missive
5
Missive

Email Client Software

Missive is a communication and collaboration platform that helps teams streamline their email and messaging workflows. It offers a unified inbox where users can manage emails, chat with colleagues, and collaborate on tasks, all within a single interface. With features like shared labels, internal comments, and real-time collaboration, Missive enables teams to work together efficiently and stay organized. The platform integrates with popular tools like Gmail, Outlook, and Slack, allowing users to centralize their communication and reduce the need for switching between multiple apps. Missive aims to improve team productivity and communication by providing a comprehensive solution for managing team conversations and tasks.

Revenue
$6.1M
Customers
2K
Year founded
2015
Funding
-
Team size
3
Location
Canada
Compare Synacor with Readdle
6
Readdle

Email Client Software

Readdle creates innovative business and productivity applications that shape the Future of work. People can get things done faster and much more efficiently while using Readdle apps such as Spark, Documents, Scanner Pro, PDF Expert, Calendars, Printer Pro, etc. Founded back in 2007, Readdle aims to bring best-in-class apps with comprehensive UI and powerful features. More than 200,000,000 downloads and millions of users worldwide are happily using Readdle apps on a daily basis. Innovative technologies, great user experience, and attention to detail made Readdle one of the most significant players in the App Store. Awards, mentions and reviews by: Forbes, BusinessInsider, Wired, MacWorld, Tech Crunch, Cnet, Gizmodo, USA Today, TheNextWeb, TUAW, BBC, The Verge, O'Reilly, etc.

Revenue
$36.1M
Customers
-
Year founded
2007
Funding
-
Team size
328
Location
Germany
Compare Synacor with Businessmap
7
Businessmap

Email Client Software

Businessmap is an enterprise agility platform that helps your entire company align on goals & deliver quality work faster. We offer the most flexible software platform for outcomes-driven enterprise agility. The unmatched functionality consolidates multiple tools into one, enabling affordable deployment at scale, visibility across all projects/portfolios and alignment on goals, to deliver quality work faster. Pairing it with the proprietary consulting program creates a tailored solution that ensures lasting value and exceptional ROI.

Revenue
$4.2M
Customers
-
Year founded
2008
Funding
-
Team size
38
Location
Bulgaria
Compare Synacor with Spike
8
Spike

Email Client Software

Spike is the AI-first inbox built for how modern professionals work—fast, fluid, and focused. We’ve redesigned email around chat-style conversations, layered with real-time AI that summarizes threads, drafts responses, and helps you get through your inbox faster. Spike unifies email, chat, video, docs, and tasks in one intelligent workspace—no more tab overload, no more context switching. From solo professionals to customer-facing teams, Spike replaces outdated inboxes and fragmented tools with one clean feed powered by the smartest AI in your inbox.

Revenue
$3.5M
Customers
-
Year founded
2014
Funding
-
Team size
32
Location
Israel
Compare Synacor with harmon.ie
9
harmon.ie

Email Client Software

harmon.ie transforms Microsoft Outlook into a powerful hub for managing emails and documents across SharePoint, Teams, and OneDrive — without leaving your inbox. Trusted by thousands of organizations and a Microsoft award-winning partner, harmon.ie simplifies email and records management inside Microsoft 365. With harmon.ie, you can: Save emails and attachments to SharePoint or Teams with drag-and-drop Add metadata automatically or manually for easy classification Search across Microsoft 365 — directly from Outlook Reduce context switching and improve user adoption Strengthen compliance without extra training or disruption harmon.ie works entirely within your Microsoft 365 environment — keeping your data private, secure, and compliant. Whether you're using SharePoint Online, on-premises, or in a hybrid setup, harmon.ie makes everyday tasks faster, smarter, and easier to govern. 🏆 Microsoft Best App award winner 🔒 Built with security in mind — data stays in your tenant 🤝 A trusted Microsoft Partner for over a decade

Revenue
$2.9M
Customers
-
Year founded
1993
Funding
-
Team size
26
Location
Israel
Compare Synacor with eM Client
10
eM Client

Email Client Software

eM Client is a fully-featured email client for Windows, macOS, iOS and Android with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat. → support for all major services (including Gmail, Exchange, iCloud, and Outlook365) → automatic set up for most email services → simple and fast data import from all major email apps (including Microsoft Outlook, Outlook Express, Windows Mail, Thunderbird, Incredimail and more). → touch support for touch-enabled laptops, tablets and hybrid devices → super-fast search that finds any email, contact or attachment in seconds → Online Meetings support (for Zoom, MS Teams, Google Meet) → unique email features, such as Watch for Reply, Snooze Email, or Send Email Later → the interface is customizable in the most comprehensive way on the market (including custom themes and an advanced visual Theme Editor)

Revenue
$2.8M
Customers
-
Year founded
2010
Funding
-
Team size
25
Location
Czech Republic
Compare Synacor with Mailbird
11
Mailbird

Email Client Software

Email made easy and beautiful. Manage multiple accounts with the best email client for Windows 2019. Download the #1 email client program free Now.

Revenue
$2.5M
Customers
89K
Year founded
2012
Funding
$300K
Team size
34
Location
United States
Compare Synacor with AfterLogic Corp.
12
AfterLogic Corp.

Email Client Software

AfterLogic Corporation is a web development company and agency. Since 2002 we created 20+ products including leading Afterlogic Webmail script, award-winning .NET/ActiveX Mailbee email components, open source Aurora Files, Aurora Corporate platform and many others. We are also professionals in custom web development services. We do projects in PHP, Laravel, Node.js, Vue.JS, KnockoutJS, LESS, etc. We have above 10,000 clients around the world, small companies and Fortune 500 ones, including Boeing, Volvo, CERN, NASA, Airbus, CISCO, Vodafone and many others (more see here https://afterlogic.com/clients).

Revenue
$1.7M
Customers
-
Year founded
2002
Funding
-
Team size
15
Location
United States
Compare Synacor with Astonsoft
13
Astonsoft

Email Client Software

Astonsoft focuses and develops know-how in information management tools. Our product portfolio consists of complete multi-user and cross-platform systems for both business and personal applications.

Revenue
$1.4M
Customers
-
Year founded
2003
Funding
-
Team size
13
Location
Estonia
Compare Synacor with Metaways Infosystems GmbH
14
Metaways Infosystems GmbH

Email Client Software

We are experienced systems, software and DevOps engineers dedicated to hosting sophisticated e-commerce projects. We work with highly available systems and services in our own data center infrastructures and in the cloud of Amazon Web Services. We have more than 15 years of experience in hosting and developing business-critical web applications in B2B and B2C. We sit in the heart of Hamburg’s Speicherstadt, a UNESCO World Heritage Site with a view over the canals, the harbor and the Elbphilharmonie concert hall. Premium Hosting With a hosting at Metaways you decide for a partner who competently accompanies and supports you and your technical service providers in all phases of your web project. Mass business is not ours, with us it is personal. We understand the importance of your project and rely on modern and highly available infrastructures and architectures with a comprehensive range of custom-fit services and solutions to contribute to your success. To this end, you will have dedicated contact persons who know your platform and its needs inside out: An experienced consultant/project manager in the phases of planning and technical realization, a system administrator in platform support, a service manager for change/service management, SLA reporting, elasticity planning and much more. We take it personally! Software Development Vibrant applications and stable systems – thanks to sophisticated deployment strategies and automatic testing. Your business application, regardless of whether it is a standard application or your own development, is in the best hands with us. Development, maintenance and expansion by experienced software engineers – and always according to current coding standards for stable, secure and sustainable software development. Would you like to talk? With pleasure! You can reach us at 040-31 70 31 65 or write to [email protected].

Revenue
$1.3M
Customers
-
Year founded
2001
Funding
-
Team size
12
Location
Germany
Compare Synacor with DragApp
15
DragApp

Email Client Software

Drag is the World's first all-in-one workspace in Gmail. One single place to support customers, manage tasks and close deals, from the place teams love: Gmail. Stop switching between tools and run your entire workflow from your inbox - where most things start and end. It's easy to install and easy to set up. No training required. 🥇 Featured in FastCompany, Inc. magazine, Mashable, Life Hacker and many others. 🥈 Techstars Backed Company. 🥉 Approved by Google security audit. ❤️ Trusted by 30,000+ professionals across 30+ countries. 📹 Watch our demo: https://www.dragapp.com/watch-demo/ 🚨 Browse Help Center: https://help.dragapp.com/en/ 👋 Speak to a Customer Champion: https://www.dragapp.com/demo/

Revenue
$1.3M
Customers
30K
Year founded
2019
Funding
$320K
Team size
12
Location
United Kingdom
Compare Synacor with BlueMail
16
BlueMail

Email Client Software

BlueMail is a free, beautifully designed, universal email client, capable of managing an unlimited number of mail accounts from various providers, allowing for smart push notifications and group emailing while enabling personalization across multiple email accounts. BlueMail is the perfect replacement for your stock email app. With a powerful unified account experience packaged in an intuitive and easy to use design, Blue Mail provides a top notch email service.

Revenue
$1.2M
Customers
-
Year founded
-
Funding
-
Team size
11
Location
United States
Compare Synacor with OpenSource Inc.
17
OpenSource Inc.

Email Client Software

Organizations continue to face today’s competitive markets and financial realities. The pressure to improve performance requires improvement in managing the company in all areas including the creation and management of contracts. The average corporation maintains over 4,000 active contracts managed in traditional methods. Under pressure to increase transparency, manage risk, and ensure compliance, many companies are looking to transform their contract operations processes. Typically, while organizations maintain stringent procedures and quality standards for products and distribution processes, attempts to enforce consistency falls short. A key contributing to improving performance can be found in Contract Management Software. CM software automates the contracting process from contract creation and negotiation through monitoring. A proactive contract management solution can assure meeting the company business goals through increase compliance rates, reduce revenue leakage, and improve overall contract performance. CM software can be used to manage the contract life cycle from identification of a need through negotiation, agreement, monitoring, & renewal.

Revenue
$1.1M
Customers
-
Year founded
1995
Funding
-
Team size
10
Location
United States
Compare Synacor with Unipile
18
Unipile

Email Client Software

Unipile's API integrates messaging, email, and calendar functionalities into your app, offering a seamless communication experience. By connecting services like LinkedIn and WhatsApp, we streamline your workflow, enabling focus on growth and user engagement.

Revenue
$1.1M
Customers
-
Year founded
2020
Funding
-
Team size
10
Location
France
Compare Synacor with Foundry 376
19
Foundry 376

Email Client Software

We're a small group of developers, interface designers, and engineers that craft exceptional user experiences. We work on projects of our own and help clients large and small create software that their customers love. We're incurable builders and perpetual brainstormers with a passion for software.

Revenue
$990K
Customers
-
Year founded
2012
Funding
-
Team size
9
Location
United States
Compare Synacor with EGroupware GmbH
20
EGroupware GmbH

Email Client Software

EGroupware is an enterprise ready collaboration software for your network. It enables you to manage email, contacts, appointments, tasks and much more for your whole business. EGroupware is a groupware server. It comes with a native web-interface which allows to access data from any platform all over the planet. Moreover you also have the choice to access the EGroupware server with your favorite groupware client and with your mobile device. EGroupware is international. At the time, it supports more than 25 languages. The software runs preferably on Linux. On the client side, all you need is a recommended internet browser such as Chrome or Firefox.

Revenue
$770K
Customers
-
Year founded
1996
Funding
-
Team size
7
Location
Germany
Top Synacor Alternatives, Competitors & Similar Software | GetLatka