Letterbook is an AI-native customer support platform that helps teams deliver faster, smarter support.
Pricing · Product
- Founded
- 2023
- Team
- 2 people
Browser storage is unavailable. Keep this page open and export your collection before leaving.
Explore
23 businesses
Turn agent session traces and product changes into governed improvements to your agent instructions and customer-facing docs.
Founders · Product · How it works
- Founded
- 2024
- Team
- 5 people
Automate 77% of support tickets with enterprise-grade accuracy, security, and human handoff.
Product · How it works
- Founded
- 2024
- Team
- 21 people
Parahelp connects your internal agents, like Claude or Cursor, and your support channels, and builds your own customer agent that resolves tickets end-to-end.
Founders · Product · How it works
- Founded
- 2024
- Team
- 11 people
Accurate answers from your docs, manuals and past tickets. Built for software and hardware teams. Trusted by 200+ companies like OpenAI, monday.com and Logitech.
Founders · Product
- Founded
- 2023
- Team
- 22 people
Calltree makes enterprise-grade AI support reps for call centers. Our AI reps take voice calls and chats like other AI support agents but can also use internal enterprise tools like a homegrown CRM or internal dashboards, like the…
Founders · Product
- Founded
- 2025
- Team
- 14 people
Callab AI is a human-centered customer engagement platform for enterprise contact centers. Teams deploy AI agents that handle inbound and outbound conversations across voice, chat, and messaging, while supervisors watch any conversation…
Founders · Product · How it works
- Founded
- 2024
- Team
- 7 people
AI support agents that resolve tickets end to end. Duckie handles your customer support autonomously, learning from your knowledge base to deliver instant, accurate responses 24/7.
Founders · Product · How it works
- Founded
- 2023
- Team
- 4 people
Phonely uses existing call recordings to create a 'AI vocal twin' that can answer customer support calls and match or outperform call center agents. On top of that we've built a Zapier like workflow that lets businesses connect to…
Founders · Product · How it works
- Founded
- 2023
- Team
- 10 people
Userlens is a customer adoption and retention engine for product teams. Its adoption agent Lumi turns product data into personal nudges that move adoption.
Founders · Pricing · Product · How it works
- Founded
- 2025
- Team
- 4 people
The leading platform for building and managing AI voice agents that revolutionize contact center operations.
Founders
- Founded
- 2023
- Team
- 50 people
Berry is the AI Renewal Agent for B2B SaaS. We help you retain and grow long-tail revenue while cutting labor costs. Your long-tail customers are too costly for dedicated rep coverage, but their collective revenue is too valuable to…
Founders · Product
- Founded
- 2023
- Team
- 8 people
Help sales and service teams reach proficiency with realistic training simulations, software practice and feedback. Reduce the effort of running training.
Founders · Product
- Founded
- 2023
- Team
- 6 people
Want to apply AI to your IT Helpdesk queue? Risotto helps you grant software access, limit access/permission grants by time, serve knowledge, and get approvals from people like managers. All using natural language directly in chat (AKA…
Customers · Founders · Product · How it works
- Founded
- 2023
- Team
- 3 people
Akkari runs the operational work from the first sales call through success and expansion. Built for AI-native startups.
Founders · Product
- Founded
- 2026
- Team
- 5 people
Minimal AI provides advanced AI customer support agents for E-commerce. Scale your support operations without hiring, with agents that learn your business processes and tone of voice in minutes.
Founders · How it works
- Founded
- 2024
- Team
- 3 people
AI agents for customer success and implementation teams. Unisson learns your product, executes customer tasks, and keeps product knowledge up to date.
Customers · Founders · Product · How it works
- Founded
- 2026
- Team
- 2 people
Clad triages, investigates, and resolves support issues end-to-end — so your team can focus on what matters. Autonomous support automation backed by Y Combinator.
Founders · Product
- Founded
- 2025
- Team
- 2 people
Deploy enterprise-grade AI voice agents with Leaping AI to automate customer service and appointment booking calls. Trusted by leading companies such as Eurowings and Thompson Creek Window Company.
Customers · Founders · Product · How it works
- Founded
- 2023
- Team
- 13 people
Cignara replaces FAQs and IVR menus with voice & chat agents that reason on customer data, take real actions, and turn every conversation from a cost center into a revenue moment.
Founders · Product · How it works
- Founded
- 2025
- Team
- 4 people
Deploy a coordinated team of AI agents for inbound and outbound voice, WhatsApp, SMS, email, and chat—connected to workflows, CRMs, and human teams.
Founders · Product
- Founded
- 2025
- Team
- 8 people
Marr Labs is making AI-voice agents that are indistinguishable from humans. Han and Dave previously created speech tech company Vlingo that powered the first Siri app and was acquired for $225M. Now they are taking voice to the…
Founders · Product
- Founded
- 2023
- Team
- 9 people
Giga builds enterprise AI agents for customer support that resolve complex conversations across chat, voice, and email. Deployed in weeks, human-like at scale.
Founders
- Founded
- 2024
- Team
- 30 people