Top 10 Zero Alternatives & Competitors

Top 10 Alternatives to Zero Recently Reviewed By G2 Community

Sponsored
G2 Advertising
Get 2x conversion than Google Ads with G2 Advertising!
G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments.
Learn More

Slack
By Salesforce
4.5/5
(38,116)
Product Description
Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.
Show More
Categories in common with Zero:
Audio Conferencing

JustCall
By Saas Labs
4.3/5
(2,368)
Product Description
JustCall is an AI-powered customer communication platform that allows you to connect with customers instantly, automate your workflows, and coach your teams, all from a single interface. Purpose-built to serve your business communication needs, JustCall easily integrates with 100+ CRMs, Help desks, and all the business tools you need to engineer better conversations. Trusted by 6,000+ companies globally, JustCall enables customer-facing teams to enjoy seamless customer conversations with real-time and post-call AI-powered insights. Top JustCall features to watch out for: ★ Inbound & outbound calling ★ Send & receive SMS & MMS ★ Sales dialer (Auto Dialer, Predictive Dialer, and Dynamic Dialer) ★ SMS Workflows & Bots ★ Multi-level IVR ★ Real-time agent assist ★ AI-powered SMS Copilot ★ AI coaching ★ Sentiment analysis ★ AI call scoring ★ Live call monitoring ★ Shared WhatsApp inbox ★ Automatic call distribution ★ Business phone numbers in 70+ countries
Show More
Categories in common with Zero:
Audio Conferencing

Spike
By Spike
4.6/5
(262)
Product Description
Spike focuses on the features that save you time. Unified inbox, team collaboration, real-time awareness & more in a single productivity app.
Show More
Categories in common with Zero:
Audio Conferencing
You’re Seeing Part of the StoryLog in or create an account to access the full set of alternatives.
Create a Free Account

XTIUM Unified Communications as a Service
By Xtium
4.2/5
(71)
Product Description
"XTIUM's Unified Communications and Collaboration (UC&C) services provide enterprise-grade voice and contact center solutions seamlessly integrated with leading platforms like Microsoft Teams and Cisco Webex. This native integration ensures a cohesive user experience without the need for third-party software or complex workarounds. By consolidating communication tools—such as email, phone, chat, and video conferencing—into a single platform, XTIUM enhances operational efficiency, reduces communication gaps, and strengthens security. Additionally, XTIUM supports hybrid deployments, catering to both traditional PBX requirements and modern collaboration needs, delivering clear audio and video tailored to your existing tech stack."
Show More
Categories in common with Zero:
Audio Conferencing

Digital Samba
By Digital Samba SL
4.3/5
(52)
Product Description
Founded in 2003, Digital Samba is a privacy-first video conferencing provider operating from within the European Union — home to the world's strongest data protection laws — and serving a global audience. Our solutions are designed with zero tracking, robust security, and long-term reliability at their core. We offer both a free, ready-to-use platform for meetings, education, webinars, training, and events, as well as Digital Samba Embedded, an API and SDK that enables organisations to integrate fully customisable, branded video conferencing directly into their own applications. Digital Samba combines minimalist design with powerful features, including HD video and audio, screen sharing, breakout rooms, interactive whiteboards, AI captions and summaries, polling, Q&A, and secure cloud recordings. For developers and enterprises, advanced options such as full white labelling, CNAME support, API control, and webhooks make deep integration seamless. Renowned for reliability, Digital Samba provides 99.99% uptime, smart bandwidth management, and enterprise-grade safeguards like E2EE, anonymised user IDs, token-based authentication, and TLS encryption. Trusted across industries — from healthcare and education to major international events — Digital Samba delivers privacy-first, scalable, and user-friendly video conferencing for a connected world.
Show More
Categories in common with Zero:
Audio Conferencing

PowWowNow
By PGi
4.3/5
(41)
Product Description
PowWowNow is a UK-based conferencing service provider established in 2004, offering a range of communication solutions tailored for businesses of all sizes. With a focus on simplicity and affordability, PowWowNow enables organizations to conduct audio and video conferencing, as well as web conferencing, seamlessly. The platform prioritizes user experience, ensuring that users can connect with colleagues and clients effortlessly, regardless of their location. Key Features and Functionality: - Audio Conferencing: High-quality voice calls with up to 100 participants. - Video Conferencing: HD video capabilities for enhanced visual communication. - Web Conferencing: Screen sharing and collaboration tools for effective presentations. - Mobile Access: Join meetings from anywhere using mobile devices. - Flexible Pricing Plans: Pay-as-you-go options and monthly subscriptions to suit different business needs. - Instant Meeting Setup: Quick and easy scheduling with no downloads required. - International Dial-in Numbers: Accessible conferencing for global teams. - Secure Connection: Robust security measures to protect sensitive information. Primary Value and Solutions Provided: PowWowNow addresses the challenges of remote communication by providing reliable conferencing solutions that enable effective collaboration and connectivity, regardless of geographical barriers. By offering cost-effective and user-friendly tools, PowWowNow empowers businesses to enhance productivity, reduce travel expenses, and foster stronger relationships with clients and team members. The platform's scalability ensures it meets the needs of both small teams and large enterprises, adapting to varying business sizes and requirements.
Show More
Categories in common with Zero:
Audio Conferencing

Voximplant
By VoxImplant
4.8/5
(38)
Product Description
Platform that enables embedding audio and video communication into your apps.
Show More
Categories in common with Zero:
Audio Conferencing

Mitel MiCollab
By Mitel Networks
4.2/5
(33)
Product Description
Mitel MiCollab solution combines collaboration, mobility and messaging into a single solution that empowers people to collaborate more easily
Show More
Categories in common with Zero:
Audio Conferencing

VidyoConnect
By Enghouse Systems
3.5/5
(23)
Product Description
Vidyo pioneered Personal Telepresence enabling natural, HD multi-point videoconferences on tablets, smart phones, PCs, Macs, room systems and telepresence installations that interoperate with legacy H.323 and SIP endpoints. Vidyo’s infrastructure makes it a leading provider of affordable cloud-based video conferencing technology. The VidyoWorks™ platform allows solution providers to integrate high quality visual communications into their applications, leveraging H.264 Scalable Video Coding (SVC) and Vidyo’s patented VidyoRouter™ technology
Show More
Categories in common with Zero:
Audio Conferencing

Sponsored
G2 Advertising
Get 2x conversion than Google Ads with G2 Advertising!
G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments.
Learn More