Slack Alternatives

Patchwork replaces your inefficient Slack with an intelligent feed personalized for each team member with all of their daily updates, design and engineering discussions, and announcements.

Salvy

Salvy is a mobile carrier for businesses in Brazil. Over 1800 companies use Salvy to manage over 20,000 mobile lines, cutting costs by over 50%. The founders have worked many years together in Brazil's largest fintechs (Nubank and EBANX). Today, every carrier in Brazil has roughly the same network quality - it isn't a differentiator. If you're an IT manager who needs to deploy 2k lines, you want an integrated and seamless solution. You need to deploy this resource, fast. Salvy provides a software layer that makes deploying and managing mobile lines a fast and efficient process, integrated with HRIS, ERPs, and others. This is a massive market: there are 55 million b2b mobile lines in Brazil, which adds up to 5 billion dollars in ARR in just one country.

Pernell

Pernell is your AI-powered second phone that records, transcribes, and summarizes calls. When you’re busy, an AI receptionist answers for you - no more missed calls.

Pinnacle

Pinnacle is an API for RCS, the new standard for SMS for app-like text messages.

Surge

Surge is Stripe for telephony. Our team has experience building telephony software at billion dollar scale. Because of increased regulation, Twilio and other SMS APIs take weeks to onboard new customers, but we can get startups onboarded same day. Surge wins by enabling easy carrier registration, better support, and higher level APIs and no code UI components to make implementation easier for startups and developers.

Apolink

Apolink is building the world’s most interoperable satellite relay network in low Earth orbit. Our hybrid communication architecture combines RF and optical inter-satellite links to enable real-time, continuous connectivity for satellite operators across industries.

SendHub

SendHub makes business communication fast, simple, and effective. Our complete online business SMS messaging solution helps thousands of companies communicate more effectively with on-the-go workforces, customers, and more. SendHub is a Y-Combinator graduate, and is backed by Menlo Ventures, Kapor Capital, 500 startups, the Seraph Group, Paul Buchheit, Eric Ries, Jawed Karim and Jeb Bush.

Screenleap

Screenleap allows you to share your screen and view it from any web-enabled device without installing any software. Our mission is to do for screen sharing what Dropbox did for file sharing: make screen sharing a hassle-free experience that just works across all devices. We also allow developers to add screen sharing to their applications using our API (http://www.screenleap.com/api). Our screen sharing service has been integrated into a variety of products and services ranging from audio-conferences services to e-learning platforms, sales tools, and support applications.

Loom

Loom is a SaaS solution focused on Video, Media. Founded by Y Combinator alumni, this platform provides innovative tools and services to help companies streamline their operations and achieve their goals. Built with modern technology and user experience in mind, Loom offers scalable solutions for teams of all sizes.