Best Communications Software for Linux - Page 3
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Compare the Top Communications Software for Linux as of May 2026 - Page 3
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1
DMARC Report
DuoCircle
A DMARC reporting solution for MSPs, service providers, and businesses who need to monitor and manage a large number of domains for DMARC compliance. Block malware and phishing attacks. Monitor domain security and boost deliverability with one easy-to-use platform. With DMARC Report, it’s super easy to monitor email configurations for suspicious activity and stop non-compliant emails before they hit inboxes. This high-volume tool can secure multiple domains for your clients or your business and report on robust analytics from the intuitive dashboard. You can safeguard outbound mail to protect your sender reputation, as well as leverage strong filtering policies for inbound emails. The platform automatically generates aggregate and forensic data reports that track any DMARC failures for your domains. If suspicious activity is detected, DMARC Report will send threat alert notifications to any email address that needs to be in the loop.Starting Price: $100/month/2 million emails -
2
SpamTitan
TitanHQ
SpamTitan email security is an email spam filter for businesses, smbs, MSPs, and schools. SpamTitan email security blocks spam as well as phishing and day-zero attacks, viruses, malware, ransomware, and other email threats. Helps control mail flow, clean it, and protect against unwanted email. We provide easy-to-use yet advanced email security for businesses, smbs and MSPs that are Office365 friendly. SpamTitan - Premium functionality included: • CEO Impersonation protection • Phishing/ Spear phishing protection • Link analysis • Full Sandboxing • Zero Day Attacks protection • Mail Spooling • Spoofing protection • Malware and Ransomware protection • SPF/DKIM/DMARC checking • Encryption • Fully multitenant environment • Ability to rebrand the entire UI • Full REST API: • Comprehensive support and set up docs Try a FREE, fully supported trial of SpamTitan Email Security today.Starting Price: $2.14/user/month -
3
Mailfence
Mailfence
Mailfence is an encrypted email service that offers OpenPGP based end-to-end encryption and digital signatures. Mailfence comes with a plethora of features that boost collaboration without compromising security and convenience. Mailfence documents allow you to safely store and edit documents, you can also share docs with your team with the push of a button. Mailfence calendar will keep your tasks, meetings, and events all in one secure place. Mailfence contacts will store your contacts and it will give you the ability to create mailing lists to maximize efficiency. We designed Mailfence to be a fully interoperable suite, which means you can synchronize Mailfence with most services out there. Mailfence business offers fully customizable whitelabel versions of the Mailfence interface. To put the cherry on top, Mailfence donates 15% of revenues of PRO subscriptions to IFF and EDRI to bolster the fight for Online privacy.Starting Price: $2.50/month/user -
4
Telegram
Telegram
Telegram messages are heavily encrypted and can self-destruct. Telegram lets you access your messages from multiple devices. Telegram delivers messages faster than any other application. Telegram servers are spread worldwide for security and speed. Telegram has an open API and protocol free for everyone. Telegram is free forever. No ads. No subscription fees. Telegram servers are spread worldwide for security and speed. Telegram has an open API and protocol free for everyone. Telegram is free forever. No ads. No subscription fees. Telegram keeps your messages safe from hacker attacks. Telegram has no limits on the size of your media and chats. Help make messaging safe again – spread the word about Telegram. -
5
Google Chat
Google
Google Chat is an intelligent and secure communications tool, built for teams. From direct messages to team chat rooms, Google Chat provides an integrated platform that makes team communication easy and efficient. Current version is for Google Workspace (formerly G Suite) customers only. -
6
ScreenRec
ScreenRec
The average employee spends 11.2 hours sending emails and 7.8 hours in unproductive meetings. Take back this time by sending on-demand screenshots & screen videos with ScreenRec. ScreenRec is a new type of productivity tool that helps you save time and communicate faster with instant private video messages and screenshots. This lightweight desktop app uses as few computer resources as possible. Yet, it allows you to take and annotate screenshots as well as record your screen, webcam, computer audio and microphone. Thanks to the Cloud Recording technology, there is no upload time. You get an universal sharing link as soon as you’re done capturing. Simple and easy on the outside, ScreenRec is built on top of a premium business video platform, giving you access to advanced features such as content security, privacy control, publishing, analytics and content management. From task assignment to bug reporting and internal training. -
7
Flock
Flock
Your team’s communication hub. Team messaging, video+audio calling, productivity apps and more. Flock makes communication and collaboration effortless. Get all the features you need in one easy-to-use tool. Work smarter with Flock's all-in-one messaging, video conferencing, and productivity tool. Stay connected with Flock's powerful built-in video conference feature. Up to 20 attendees can meet in real-time. You can even screen share with just a click. Powerful search helps you find anything shared in Flock, whether it’s a message, file, or link. Use our powerful suite of business collaboration tools - Shared To-Dos, Polls, Note Sharing, Reminders, and more - to optimize project management. Flock offers over 50 integrations with tools like Asana, Twitter, Googe Drive, and Todoist. Add your apps in Flock with one click and you’ll never need to switch tools to get work done.Starting Price: $4.50 per user per month -
8
Rocketseed
Rocketseed
With Rocketseed professional business email signature software you can create and manage company email signatures simply, securely and at scale. Centrally control your corporate email signatures to ensure a consistent brand image on every business email. Transform every email into an engaging marketing channel with targeted interactive banner campaigns delivering a 99% open rate and 20%+ engagement. Drive traffic to your website, social profiles and sales platform and track and analyze every recipient click using Rocketseed’s reporting dashboard. Rocketseed is compatible with all email clients so you can create and manage email signatures for Microsoft 365, Google Workspace and Exchange and your business email signatures will display perfectly on every device. SME and enterprise businesses worldwide trust Rocketseed email signature management software. To get started, book a 15-minute personalized demo.Starting Price: $1.25 user/month -
9
Bitrix24
Bitrix24
Replace a multitude of services and apps with a single ecosystem for your business to work in. Explore the tools of Bitrix24 Activity stream, group chat, calendars, workgroups and other collaboration tools at your disposal. Bitrix24 helps you plan and execute your projects on time every time. Available online and on-premise with open source code access. Collaborative task management for teams large and small. Time tracking, reminders, reporting, templates, task dependencies and more. The world’s most popular free CRM by number of users (12 million companies and growing). Outstanding real time assistance tools that keep customers happy and coming back for your goods or services. Stunningly beautiful websites, landing pages and online stores that can be created by anyone without writing a single line of code. Free domain name and hosting is included. You can use the self-hosted version of Bitrix24 to run on your server.Starting Price: $ 49 per month -
10
Callaba Cloud
Callaba Cloud
Callaba provides a professional set of tools for organizing online events within a single platform and API: ultra-low latency live streaming via SRT, WebRTC, video calls, online webinars, multilingual online conferences, paid events via PayPal, events using imported CSV of sold tickets, monetized online concerts with pay-per-view, as well as a comprehensive suite for setting up 24/7 reliable video distribution for internet TV, Radio, and Socials. Virtual events: Broadcasting to thousands of viewers. Video calls & Webinars. Multilingual & ABR player. Pay-per-view via PayPal (Our commission is 0%). Private access for imported CSV tickets. Generation of CSV event tickets for sale. Overlay of advertising banners on videos. Player background and logo customization. No Callaba branding. Video distribution: Multicast video to multiple platforms. Audio track selection. Overlay. Transcoding. Re-streaming from imported files or vMix, OBS, Wirecast, encoders. Adaptive HLSStarting Price: $0.05 per hour -
11
Twilio
Twilio
Design and deploy your ideal customer engagement experience. Twilio is a single fully-programmable platform with flexible APIs for any channel and over 400+ integrations, backed by a community of over 9 million developers. Build accurate and personalized experiences for your customers, easily and at scale, using SMS and WhatsApp messaging, voice, video, email, and more. Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Sign up and start building today.Starting Price: $0.0085 per min -
12
Zadarma
Zadarma
Powerful Cloud Telephony for Global Businesses Zadarma offers a feature-rich VoIP platform designed for businesses that want flexibility, scalability, and professional communication without high costs. Set up your cloud PBX in minutes, manage international teams, and serve customers worldwide — all from a single interface. Key features: - Virtual phone numbers in 110+ countries - Free cloud PBX with IVR, call routing, and analytics - Integration with CRMs: HubSpot, Zoho, Bitrix24, and more - AI Voice Agent and AI-speech recognition and analytics - Apps for desktop, mobile, and browser-based calling - AI-powered voice agents and call tracking - Full control via web interface and API Ideal for remote teams, support centers, and growing companies looking to modernize their phone systems.Starting Price: $2/month -
13
LineUpr
LineUpr
LineUpr is the ultimate platform for creating event apps for on-site, online, or hybrid events that communicate your event and boost attendee engagement. Share your agenda, highlight speakers and sponsors, and gather valuable insights with surveys and live polls. Engage participants and foster connections with chat and networking features. Trusted by over 5,000 customers, from large enterprises to local nonprofit associations, LineUpr offers flexible pricing and features to suit any event. Main Features: - Agenda, Speaker profiles, locations, sponsors and exhibitor presentation - Updates and notifications - Surveys, Q&As and live polls - Networking and chat features - Personalized agendas and session registration options Visit our website to request a demo or try LineUpr today!Starting Price: $119.00/event -
14
JivoChat
JivoSite
We're a freemium omnichannel communication platform for businesses with 11 channels to connect and more than 270k active users in all countries all over the world. JivoChat is developed and localized for the English, Spanish, German, Turkish, Indonesian, Portuguese, and Russian markets. We're ready to work in any country also with 24/7 support. Our widget supports more than 20 popular languages and all the operational systems (iOS, Windows and Linux), including the mobile ones. Agents can access all chats, emails and calls from one Jivo app. Do your clients prefer to ask questions and get support via social media? Interacting with your clients via social media can help you increase sales opportunities. Our main focus is to increase sales conversion rate on any communication channel of the online companies. We are integrated with Shopify, Wix, Bigcommerce, Tilda and many other big names in the industry.Starting Price: $19/month/user -
15
Adobe Connect
Adobe
Create exceptional digital training, webinar and collaboration experiences. Learn how Adobe Connect can help enterprises with business continuity, governments with rapid response and schools with virtual classrooms in current public heath emergency situation. Design your own immersive experiences with custom pods, images & layouts to personalize and brand your virtual room. Drive and measure audience engagement unlike any other tool. Add interactivity to your sessions with multiple chat pods, polls, quizzes, simulations, breakout rooms, games and more. Leverage backstage & prepare mode to allow presenters and hosts to collaborate behind the scene during live session. Leverage limitless functionality and extensibility with custom apps. Create your virtual room once with the right layouts, pods and content and use it forever.Starting Price: $50 per month -
16
livepro
livepro
livepro is the perfect Knowledge Management solution for Customer Service/Experience - whether it be on the phone, behind the counter, in the field or customer self-service, livepro has the tools to improve cx scores, cut training times, improve compliance and boost staff engagement with confidence. livepro is purpose built Knowledge Management for Customer Experience. We focus on delivering answers to agents, not long complex documents. This is made possible by livepros powerful features like search and easy to follow process guidance. livepro requires next to no training and turns your agents into experts meaning staff confidence and customer satisfaction go up while AHT and training costs are cut down. Increase Customer Satisfaction by reducing AHT up to 25% and cutting transfers by up to 35%. Improved Staff Engagement and Induction-Training Periods cut by 50% or more. Improve Compliance & Risk with Authored Only Content & SOC Certified Secured Data. -
17
Thunderbird
Mozilla Foundation
Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features! Thunderbird makes email better for you, bringing together speed, privacy and the latest technologies. Focus on what matters and forget about complexity. Multiple features, such as built-in Do Not Track and remote content blocking, work together to ensure your safety and privacy, so you can have peace of mind. With Add-ons (Extensions & Themes) and many more features you can change the look and feel of Thunderbird in an instant. Organize your schedule and life’s important events in a calendar that’s fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars. Thunderbird is an open source project, which means anyone can contribute ideas, designs, code, and time helping fellow users. -
18
Zoho Cliq
Zoho
Zoho Cliq is a business communication software that helps simplify and streamline your communication with organized conversations and information that's easy to find. Cliq is designed to enable a hybrid work style, where you can log in to work through any device from anywhere. This helps improve your team's overall productivity and, in turn, impacts the performance of your business positively.Starting Price: $2 -
19
InEvent
InEvent
InEvent is an enterprise-grade event management platform built to power in-person, hybrid, and virtual events from registration to post-event analytics. You can design branded event websites and registration forms, sell tickets, manage approvals, and automate email workflows in one system. The platform covers attendee management, AI-driven workflows, real-time check-in, badge printing, lead capture, and mobile app engagement, while supporting sessions, speakers, agendas, sponsors, and partner activation at scale. On-site teams run smooth operations with QR codes, kiosks, access control, and instant reporting. InEvent connects directly to your CRM and marketing stack with native integrations and a robust API. Enterprise teams use built-in analytics, dashboards, and exports to measure attendance, ROI, and pipeline impact. Secure infrastructure, role-based permissions, and compliance features make it suitable for global and regulated environments.Starting Price: Starting from $6,000 -
20
Telnyx
Telnyx
See how the developer friendly Telnyx API can transform your business communications. Telnyx is an all-in-one communication platform designed to be tailored exactly to your needs. We created our network with real-time communications in mind so we can deliver quality calls, messaging, and data around the world. Easily build reliable messaging with our SMS API. Keep your data safe by setting up two-factor authentication using SMS or voice codes. Plug and play your VoIP setup in minutes and get carrier-grade voice with elastic SIP trunks. Our cloud-agnostic approach means you can rest easy knowing you are protecting in case of a network failure. With Telnyx deploy communications exactly to specifications. -
21
Zoom Team Chat
Zoom Communications
Connect your teams and streamline communications. Included with your Zoom license is Zoom Team Chat. Helping your teams stay connected. Streamline your teams with chat and video meetings. Make collaboration easier between teams and external participants with enterprise chat and instant video meetings. Power modern and efficient team communication. Create a virtual workspace where all the right people for every project are ready to collaborate. Organize your communications chaos. Save time by quickly finding messages, content, and links related to your conversations and projects. Start a meeting with any 1:1 or group channel. Zoom meetings scale up to 1,000 people with clear video, audio and screen sharing. Communicate in public or private channels organized by projects, teams, or topics. Share files, emojis, screenshots, and more. Quickly find contacts, messages, and files, keeping knowledge and information at your fingertips. Calendar integrations sync status and presence. -
22
Diode Collab
Diode
Diode Collab™ is a decentralized, local-first collaboration tool that combines secure chat, file sharing, VPN-like access, and team coordination inside a private “Zone.” All communication and data stay fully end-to-end encrypted, with no third-party servers involved - not even Diode can see your activity. Use it for secure messaging, files, notes, dashboards, and external uploads—without ever compromising identity or privacy. -
23
WonderPush
WonderPush
Notifications and popups starting at €1/month for Web and Mobile. WonderPush is very fast, GDPR compliant and full-featured. - Up and running within minutes Our mission is to help you get the most out of push notifications and popups on your website and mobile apps for Android and iOS, without tearing your hair out. Powerful, easy to use and well documented, allowing you to get started in just a few minutes. - Easy to use An online dashboard for Marketers and a friendly API for Developers. - GDPR compliant We never share your data with third parties. Your data is safe with us and we protect the privacy of your users as if they were ours - Faster than the competition 350K messages sent per second. That's 21 million messages per minute. - Full-featured starting €1 / month Rich formats, automation, real-time analytics, powerful segmentation... All features are included and you benefit from evolutions without ever having to pay more.Starting Price: €1 per month -
24
Avast Business Hub
Avast
The Business Hub is an integrated, cloud-based security platform for businesses and IT service providers to manage all Avast Business solutions deployed in their networks. It provides real-time visibility of threats, comprehensive reporting, and management capabilities, all from a single pane of glass. Formerly known as CloudCare, the Business Hub is an easy-to-use cloud security platform with a refreshing new UI.Starting Price: $36.99 -
25
Accelevents
Accelevents
Accelevents is a modern, enterprise-ready event management platform built for organizations needing flexibility, speed, and reliability across the entire event lifecycle. It supports in-person, virtual, and hybrid events with robust registration tools, real-time badge printing, mobile apps, and abstract management in one easy system. With Accelevents, organizers can: • Create branded registration pages and event websites • Offer on-site and self-serve check-in with badge printing • Deploy customizable mobile apps • Track session attendance and issue CE credits • Equip exhibitors with lead capture tools • Manage speaker content, agendas, and networking • Access live analytics and reporting • Integrate with Salesforce, HubSpot, Marketo, and more The fastest-growing companies and global organizations trust Accelevents for their conferences, trade shows, field marketing events, and summits. Accelevents streamlines your tech stack and reduces vendor overhead. -
26
Dreamcast
Dreamcast
What is Dreamcast? Dreamcast is a large-scale and enterprise event technology solution provider with over 12+ years of experience, delivering 5000+ successful events to 1000+ satisfied clients globally. We specialize in a wide range of large-scale on-ground event tech solutions, including on-spot event registration, on-demand badge printing, attendee access management, crowd management systems, secure cashless payment systems, and more. Our solutions are built to handle high attendee volumes with speed, accuracy, and reliability. We help organizers simplify mega event operations while improving the overall experience for every attendee. We combine innovation with practicality to deliver technology that enhances every aspect of event execution. With a proven track record across diverse industries, Dreamcast ensures that every event is powered by efficiency and impact. We provide advanced on-ground event technology solutions, such as: -
27
Mvix Digital Signage
Mvix
Mvix Digital Signage is a Pro-AV enterprise level digital signage solution that features our award-winning cloud-based digital signage software. Our solutions have been adopted worldwide by industries including schools, corporate offices, retail stores, healthcare facilities, manufacturing to provide solutions such as: - Digital Menu Boards - Video Walls - Internal & External Communications - DOOH - FIDS - Court Docket Displays - Outdoor Displays - Digital Building Directores/Wayfinding As a leading provider in content-rich solutions, the Mvix CMS contains the necessary tools to help you maximize your digital communication strategies. These include the ability to schedule files, images, videos, slideshows, pdfs, and utilize our other apps to display upcoming events, company KPIs through PowerBI, time, date, and much much more. Contact a solutions consultant today to find which solutions will be best for your business.Starting Price: $350/One-Time Cost -
28
Stripo.email
Stripo
Stripo is an all-in-one email design platform with over 1 600 000 users worldwide. We enable our clients to build emails of any complexity really fast and push them to their marketing automation system with just 1 click. Integrated with 90 ESPs/CRMs, including Mailchimp, HubSpot, Salesforce, Campaign Monitor, Constant Contact, Braze, SendGrid, eSputnik, Outlook, Gmail, etc. +1600 ready-to-use templates, modular email design, Email Translate Service. A number of embedded micro-tools give everything you need for emails, from photo editors to banner generators, from timers to interactivity and real-time content. We are one of the first builders that implemented the AMP4Email technology. Multiple studies show that AMP increases conversion by 5 times. With Stripo, you can build real-time content for your emails with little to no coding skillStarting Price: $20/month -
29
Canapii
Canapii
Canapii provides unique solutions to manage in-person, hybrid, and virtual events. As the only supplier with genuine 24/7 customer service, our global team lives and breathes events, no matter their location or size. From registration all the way to post-event analytics, Canapii users can streamline their entire event organization and create truly unique event experiences. By being ahead of the innovation curve, we enable our customers to impress their audiences every step of the way. Canapii supports video meetings and streams HD quality keynotes across PC browsers and mobile apps. It drives audience engagement through chats, comments, notifications, gamification, live questions, and polls. Automation is core to Canapii. Registration, travel arrangements, personal agendas, and meeting approval systems are all built in the platform.Starting Price: Free -
30
EnableX Communications APIs
vCloudx
EnableX makes integrating real-time communications into applications and workflows a lot easier. Designed and developed for Service Providers, Systems Integrators, and Developers, it provides a robust, scalable and secure communications platform without the complexity of building and maintaining the network infrastructure. By simply leveraging on EnableX comprehensive sets of programmable APIs and SDKs, developers can rapidly customize and embed all or part of the communication functions – voice, video, SMS and chat – right into existing applications, workflows and systems. Together with the Virtual Number services and advanced features such as AI and NLP, businesses can reach customers globally with an outstanding communication experience.
